Source: https://patents.google.com/patent/CN108606837A/en
Timestamp: 2020-02-17 14:00:39
Document Index: 432212858

Matched Legal Cases: ['art 20', 'art 20', 'art 36', 'art 20', 'art 22', 'art 62', 'art 62', 'art 62', 'arts 36', 'art 116', 'art 62', 'art 32', 'art 78', 'art 182', 'art 182', 'art 218', 'art 210', 'art 612']

CN108606837A - The end effector of surgical robot arm - Google Patents
The end effector of surgical robot arm Download PDF
CN108606837A
CN108606837A CN201810504336.XA CN201810504336A CN108606837A CN 108606837 A CN108606837 A CN 108606837A CN 201810504336 A CN201810504336 A CN 201810504336A CN 108606837 A CN108606837 A CN 108606837A
CN201810504336.XA
D·A·斯汤顿
J·弗拉特
2013-03-15 Priority to US201361798729P priority Critical
2013-03-15 Priority to US61/798,729 priority
2014-03-15 Application filed by 史赛克公司 filed Critical 史赛克公司
2014-03-15 Priority to CN201480022087.0A priority patent/CN105208962B/en
2018-10-02 Publication of CN108606837A publication Critical patent/CN108606837A/en
A kind of end effector of surgical robot arm, including removably cut accessory.Cutting accessory includes cutting tip and the axis that extends along axis.Drive member is configured as being rotatably driven the axis of cutting accessory.Actuator is coupled to drive member, for being rotatably driven the drive member.Clamp assemblies are supported by drive member, and can selectively be rotated relative to drive member, and the axis of cutting accessory is received along the axis of the axis, so that the axis to be selectively locked in drive member.
The end effector of surgical robot arm
The application is the Chinese invention patent application number of entitled " end effector of surgical robot arm " The division Shen of 201480022087.0 (international filing date March 15, international application no PCT/US2014/029909 in 2014) Please.
The U.S. Provisional Patent Application 61/798,729 that the patent application requirement discussed is submitted on March 15th, 2013 it is excellent First power and ownership equity, the provisional application are incorporated herein by reference.
The present invention relates to the surgical end effectors of surgical robot arm.Specifically, end effector includes nasal tube and can The cutting accessory releasably engaged with nasal tube.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes cutting accessory, Cutting accessory includes working end and the axis that extends along axis.Drive member is configured as being rotatably driven the cutting accessory The axis.Actuator is coupled to the drive member, for being rotatably driven the drive member.Clamp assemblies are by described Drive member supports, and can selectively be rotated relative to the drive member, and receives the cutting along the axis The axis of accessory, so that the axis to be selectively locked in the drive member.
The present invention includes a kind of end effector of surgical robot arm.The end effector includes cutting accessory, Including axis and the casing being rotatably coupled on the axis.Nasal tube extends along axis, for releasably accepting the cutting Accessory.Groove and fingers are between described sleeve pipe and the nasal tube, and the fingers are relative to described sleeve pipe bendable Song, and being engaged with the groove, so as to releasedly will be on the cutting fitting lockout to the nasal tube along the axis.
The present invention includes a kind of end effector of surgical robot arm.The end effector includes nasal tube, along axis Line extends, for releasably accepting cutting accessory.The nasal tube limits slit.Fingers are supported in the nasal tube, and And include that the protrusion for extending through the slit is aligned and be biased into the slit, to engage the cutting accessory.Lock Fixed hoop is rotatably supported in the nasal tube, and close to the fingers, and the fingers are located at the nasal tube and institute It states between locking hoop.The locking hoop includes the notch being selectively aligned with the fingers, to allow the protrusion quilt It is pressed into the slit.
The present invention includes a kind of end effector of surgical robot arm.The end effector includes cutting accessory.Nose Pipe extends along axis.The nasal tube releasedly engages with the cutting accessory and is pivotably supported the cutting accessory.Axis It is supported to connector by the nasal tube, and along the axis releasedly by the cutting fitting lockout to the nasal tube.It drives Movement connector is supported by the nasal tube, and receives the cutting accessory, so as to be rotatably driven the cutting accessory.It causes Dynamic device is couple to the drive connection device, to rotate the drive connection device relative to the nasal tube.The axial connector can It is keeping moving between the latched position of the cutting accessory and the unlocked position of the release cutting accessory along the axis.
The invention also includes a kind of end effector of surgical robot arm, it is used to be rotatably driven cutting and matches Part.The end effector includes the nasal tube extended along axis.Axial connector is supported by the nasal tube, and is configured as edge The axis locks the cutting accessory relative to the nasal tube.Device is drivingly connected rotatably to be supported by the nasal tube, and It is configured as receiving the cutting accessory along the axis and is rotatably driven the cutting accessory.Actuator is couple to institute Drive connection device is stated, to rotate the drive connection device relative to the nasal tube.The axial connector can exist along the axis It keeps moving between the latched position of the cutting accessory and the unlocked position of the release cutting accessory.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes extending along axis Nasal tube.It includes the casing releasedly engaged with the nasal tube and the cutting for being rotatably coupled to described sleeve pipe to cut accessory Tool.Actuator is couple to the cutting tool, to rotate the cutting tool relative to described sleeve pipe.Axial connector is protected It holds on the nasal tube, and can be cut in the bonding station engaged with the casing of the cutting accessory and with described along the axis Cut accessory casing disconnect open position between move.
The invention also includes a kind of cutting accessories, are used for the nose of the releasedly end effector with surgical robot arm Pipe engages, and the cutting accessory includes the axis extended along axis.Equipment of small motor brill is fixed to the axis.Casing includes rotatable Ground, which is couple to the main body of the axis and is bored from the main body far from the equipment of small motor along the axis, to be extended and is configured For at least one fingers releasedly engaged with the nasal tube.At least one fingers are relative to the main body bendable Song, to be bent when being engaged with nasal tube.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes rotation driving structure Part is configured to couple to actuator and limits the inner cavity for admitting fluid.Cut accessory releasedly with the rotation Turn drive member engagement, and limits the inner cavity being connected to the inner cavity of the Rotary-drive member.It is opposite to be drivingly connected device It fixes in the Rotary-drive member, and is engaged with the cutting accessory, to drive the cutting accessory.Fluid transmits structure Part is couple to the Rotary-drive member, the inner cavity for fluid to be transmitted to the Rotary-drive member.First sealing Part is located in the inner cavity of the Rotary-drive member, and is rotationally fixed to the Rotary-drive member and the cutting Accessory, for forming sealing between the Rotary-drive member and the cutting accessory.Second seal is located at the driving Between connector and the fluid transmission member and seal them.The second seal rotatably drives structure with the rotation At least one of part and the fluid transmission member engage, so as in the Rotary-drive member and the fluid transmission member Between relative rotation occurs during in the Rotary-drive member and the fluid transmission member form sealing.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes cutting accessory, It is used to cut the tissue of patient.Actuator is couple to the cutting accessory, to drive the cutting accessory.Nasal tube is along axis Extend.Lever is supported by the nasal tube, and can be pivoted between depressed position and releasing position relative to the nasal tube.Sensing Device is supported by the nasal tube, and is configured as identification lever in the position of the depressed position and the releasing position.Holder It is couple to the lever, and may be in response to movement of the lever between the depressed position and the releasing position along institute It states axis to move relative to the sensor, to indicate lever in the depressed position and the release position to the sensor The position set.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes cutting accessory, It is used to cut the tissue of patient.Actuator is couple to the cutting accessory, to drive the cutting accessory.Nasal tube is along axis Extend, and receives the cutting accessory.Handle is rotatably supported by the nasal tube around the axis of the nasal tube.Thick stick Bar is couple to the handle around pivotal point, and can be pivoted between depressed position and releasing position around the pivotal point, The pivotal point is fixed to around the axis on the handle.Sensor is supported by the nasal tube, and is configured as knowing Other lever is in the position of the depressed position and the releasing position.
The invention also includes a kind of end effector of surgical robot arm, the end effector includes extending along axis Nasal tube.Cutting accessory is releasedly couple to the nasal tube, the tissue for cutting patient.Actuator works as the cutting accessory coupling The cutting accessory is couple to when being connected to the nasal tube, to drive the cutting accessory.Detachable shield releasedly couples To the cutting accessory, the part for covering the cutting accessory.First circuit is mounted on the shield, and the Two circuits are mounted on the nasal tube.First circuit and the second circuit are configured as communicating.
The invention also includes it is a kind of will cut assembling fittings to the end effector of surgical robot arm on method, it is described Method utilizes the shield for removably covering the part for cutting accessory.The shield supports the first circuit, and described End effector includes the nasal tube for extending and supporting second circuit along axis.The method includes providing the cutting tool, and And the shield covers a part for the cutting tool.The method includes the axis along the nasal tube by the cutting Tool is inserted into the nasal tube, so that the cutting tool is coupled together with the nasal tube.The method includes making described One circuit is communicated with the second circuit.The method includes removing the shield from the cutting accessory.
Clamp assemblies allow quickly and easily to load and unload cutting accessory from drive member.For example, clamp assemblies are allowed To cut accessory insertion clamp assemblies easily by the axis along cutting accessory will cut assembling fittings to nasal tube.Utilize driving The arrangement of component support clamp assemblies increases the sight of the cutting accessory at watching operation position.This configuration also reduces Size or volume near the end of the end effector of operative site, to increase the access for leading to operative site, for example, with Interference is generated to avoid during cutting accessory enters operative site.
Engagement between groove and fingers will releasedly cut fitting lockout along nasal tube axis to nasal tube.In other words, The engagement of groove and fingers will cut fitting lockout to nasal tube in an axial direction.This axial lock releasably relative to Nasal tube places cutting accessory.
Locking hoop can be moved relative to nasal tube, selectively to make the slit of locking hoop be aligned with fingers.Fingers Protrusion is biased, to extend through slit, to engage cutting accessory.When slit is aligned with fingers, fingers can by by It is pressed onto in slit, to make cutting accessory be disconnected with nasal tube.Therefore, locking hoop allow quickly and easily relative to nasal tube attachment and Dismounting cutting accessory.
Axial connector and drive connection device make it possible to suitably place cutting accessory relative to nasal tube.Specifically, axis To connector and device is drivingly connected relative to nasal tube accurately cutting accessory positioned axially, so that the surgical engine of control arm Device people can accurately move end effector during surgical procedures.
Axial connector and drive connection device allow quickly and easily to load and unload cutting accessory from nasal tube.For example, axis Allow that accessory one hand will be cut to connector and the arrangement for being drivingly connected device and be assembled into nasal tube.In addition, axial connector and driving Connector provides repeatable connection.In other words, axial connector and drive connection device reduce the stacked of component.
Axial connector and the arrangement for being drivingly connected device increase the sight of the cutting accessory at watching operation position.This matches The size or volume for setting the end for also reducing the end effector near operative site lead to the logical of operative site to increase Road, for example, generating interference with to avoid during cutting accessory enters operative site.
Lever, which is allowed in for example semi-autonomous operation, to be easy reliably to use end effector.In other words, user can grab Lever is held, lever is moved to depressed position, this is sensed by sensor, finally end effector to be allowed to operate.If made User decontrols lever, and lever is moved to releasing position, then sensor senses the releasing position of lever, and final end executes The operation of device.During end effector operates, rotatable handgrip can be rotated relative to nasal tube, this allows user in the operation phase Between cosily keep grasp lever.
First circuit makes the first circuit and second circuit be communicated when cutting accessory and being couple to nasal tube in the position on shield. This communication is happened at before removing shield.
With by reference to more fully understanding the present invention below in connection with the detailed description that attached drawing is made, will be more readily apparent from this Other advantages of invention, in the accompanying drawings：
Fig. 1 is the stereogram for the robot system for including arm, which has the end that surgical procedures are executed with patient Actuator；
Fig. 2 is the stereogram of arm；
Fig. 3 is the stereogram of a part for end effector, wherein cutting accessory is engaged with end effector；
Fig. 4 is the stereogram of the end effector for the Fig. 3 for not having cutting accessory；
Fig. 5 is the sectional view intercepted along the line 5 of Fig. 3；
Fig. 6 is the enlarged drawing of a part of Fig. 5；
Fig. 7 is the stereogram for cutting accessory；
Fig. 8 is the sectional view intercepted along the line 8 of Fig. 7；
Fig. 9 is the enlarged drawing of a part of Fig. 8；
Figure 10 is the stereogram for the tool for cutting accessory；
Figure 11 is the exploded view for the tool for including axis and end pieces；
Figure 12 is the stereogram of end pieces；
Figure 13 is the side view of end pieces；
Figure 14 is the end-view of end pieces；
Figure 15 is the stereogram for the casing for cutting accessory；
Figure 16 is the sectional view of casing；
Figure 17 is the stereogram of the nasal tube of end effector；
Figure 18 is the exploded view of nasal tube；
Figure 19 is the sectional view that the line 19 in Figure 17 intercepts；
Figure 20 is the enlarged drawing of a part of Fig. 5；
Figure 21 is the sectional view of Figure 20, wherein the cylinder of axial connector is in releasing position；
Figure 22 is the exploded view of axial connector；
Figure 23 is the partial exploded view of axial connector, wherein cylinder is separated with nasal tube；
Figure 24 is another embodiment for the axial connector for cutting another embodiment of accessory and being supported on nasal tube Stereogram；
Figure 25 is the sectional view of a part for the cutting accessory of Figure 24；
Figure 26 is the exploded view of the axial connector of Figure 24 and a part for nasal tube；
Figure 27 is the partial exploded view of the axial connector of Figure 24；
Figure 28 is the sectional view of the axial connector of Figure 24 and a part for nasal tube；
Figure 29 is the axial connector of Figure 24 and another sectional view of a part for nasal tube；
Figure 30 is the sectional view of the cutting accessory in a part for the nasal tube for being assembled into Figure 24；
Figure 31 is the sectional view for the cutting accessory being assembled on the nasal tube of Figure 24；
Figure 32 is the stereogram of the shield for cutting accessory；
Figure 33 is the exploded view of shield；
Figure 34 A are the sectional views of the external component of shield；
Figure 34 B are the sectional views of the internal component of shield；
Figure 35 is the stereogram of the shield for the part for cutting accessory and covering cutting accessory；
Figure 36 is the sectional view of the shield that the line 28 in Figure 35 intercepts and cutting accessory；
Figure 37 is the sectional view of the shield that the line 29 in Figure 35 intercepts and cutting accessory；
Figure 38 is the sectional view of shield, which engages with axial connector, to discharge cutting accessory from nasal tube；
Figure 39 is the stereogram of the drive system of end effector；
Figure 40 is the sectional view intercepted along the line 32 of Figure 39；
Figure 41 is the stereogram of a part for drive system；
Figure 42 is the exploded view for the part for including the drive system for being drivingly connected device；
Figure 43 is the sectional view that the line 35 in Figure 41 intercepts；
Figure 44 is the stereogram of drive member；
Figure 45 is the sectional view intercepted along the line 37 of Figure 42；
Figure 46 is the stereogram of bracket；
Figure 47 is the stereogram for the wedge-type sleeve for being drivingly connected device；
Figure 48 is the stereogram of a part for the clamp assemblies for being drivingly connected device；
The end-view of the part of the clamp assemblies of device is drivingly connected shown in Figure 49 Figure 48；
Figure 50 is the stereogram of the cage of clamp assemblies；
Figure 51 is the stereogram of the roller bearing of clamp assemblies；
Figure 52 is the stereogram of the drive connection device in the bracket of drive member；
Figure 53 is the end-view of Figure 52；
Figure 54 is the end-view of Figure 53, wherein when axis, which is initially inserted into, to be drivingly connected in device, the axis of tool connects with driving Connect device engagement；
Figure 55 is the end-view of Figure 53, wherein the axis of tool is engaged with drive connection device and drive member is transmitted to axis Rotation；
Figure 56 is the stereogram of tubular element；
Figure 57 is the exploded view for the tubular element for including dynamic sealing；
Figure 58 is the sectional view of the tubular element engaged with drive member；
Figure 59 is the stereogram of the handle on nasal tube；
Figure 60 is the exploded view of handle and nasal tube；
Figure 61 is the sectional view of handle and nasal tube；
Figure 62 is the sectional view of handle；
Figure 63 is the partial exploded view of lever and handle；
Figure 64 is the partial exploded view of a part for the grasping sensing mechanism of first embodiment；
Figure 65 is the partial exploded view for grasping sensing mechanism and handle；
Figure 66 is the sectional view for grasping sensing mechanism and handle, wherein lever is in releasing position；
Figure 67 is the sectional view for grasping sensing mechanism and handle, wherein lever is in depressed position；
Figure 68 be grasp sensing mechanism a part stereogram, wherein exciter bracket relative to sensor bracket at In spaced locations；
Figure 69 is the stereogram of Figure 60, wherein exciter bracket is in close position relative to sensor bracket；
Figure 70 is the partial exploded view of another embodiment of the grasping sensing mechanism separated with handle；
Figure 71 is the partial exploded view of the grasping sensing mechanism of Figure 62；
Figure 72 is the stereogram of a part for the grasping sensing mechanism of Figure 62, wherein exciter bracket is relative to sensor Bracket is in spaced locations；
Figure 73 is another stereogram of a part for the grasping sensing mechanism of Figure 70；
Figure 74 is the sectional view for grasping sensing mechanism and handle, wherein lever is in releasing position；
Figure 75 is the sectional view for grasping sensing mechanism and handle, wherein lever is in depressed position；
Figure 76 be grasp sensing mechanism a part stereogram, wherein exciter bracket relative to sensor bracket at In spaced locations；
Figure 77 is the stereogram of Figure 76, wherein exciter bracket is in close position relative to sensor bracket；
Figure 78 is the stereogram of a part for the end effector for including gear-box；
Figure 79 is the sectional view that the line 71 in Figure 78 intercepts；
Figure 80 is the exploded view of gear-box；
Figure 81 is the stereogram of the component in gear-box；
Figure 82 is the stereogram of the substrate of gear-box；
Figure 83 is the stereogram of the lid of gear-box；
Figure 84 is the sectional view of the shield with wireless communication unit；
Figure 85 is the sectional view of the shield for the Figure 76 being located on nasal tube；
Figure 86 is the sectional view for the cutting accessory for including wired communication element；
Figure 87 is the stereogram for the casing for including connector；
Figure 88 is the stereogram of the end for the nasal tube for including connector；And
Figure 89 is the sectional view of the casing for the Figure 86 being connect with the nasal tube of Figure 88.
Referring to Fig.1 with 2, robotic surgery arm 10 includes end effector 12.Arm 10 is a part for robot system 11. For example, robot system 11 is surgical robot system as illustrated in fig. 1 and 2, and following article further states ground operation.
For example, showing end effector 12 in figs. 3-5.End effector 12 includes operation instrument 14.Arm 10 moves, Operation instrument 14 is applied to patient 16.Specifically, arm 10 moves, to determine 14 position and direction of operation instrument, to make Obtain the medical/surgical program of the executive plan with patient of operation instrument 14.
Robot system 11 is used in combination with operation guiding system 18.Operation guiding system 18 monitors 12 He of end effector The position of patient 16.Based on this monitoring, operation guiding system 18 determines that operation instrument 14 applies surgery apparatus with it relative to patient The position at the position of device 14.
With continued reference to Fig. 1 and 2, robot system 11 includes movable cart 20.Arm 10 includes that end effector 12 is removable It is connected to the link assembly 22 of cart 20 dynamicly.Specifically, end effector 12 is solid including the installation for being connected to link assembly 22 Determine part 36.
Link assembly 22 is for example including the first parallel―ordinal shift component 24 and the second parallel―ordinal shift component 26.Each connecting rod The position of each connector of component 24,26 is set by actuator 28.In Fig. 1, the shell of actuator 26 is to determine.It is each to cause Dynamic device 24,26 and the independent component liaison in link assembly 24,26.
Processor (being shown partially in Fig. 1 as dotted line box) referred to as arm controller 30 is mounted to cart 20.Arm controller 30 sends out the control signal for the connecting rod for causing actuator 28 suitably to set link assembly 24,26.Arm controller 30 set the position of the connecting rod of link assembly 24,26 based on many input signals.These signals include coming from operation guiding system 18 signal data.These signals provide the letter of the position for the operative site being applied to relative to instrument 14 about instrument 14 Breath.
Arm controller 30 based on applied to operation instrument 14 power and torque selectively set the company of link assembly 24,26 The position of bar.These power and torque are measured by power/torque sensor is (unnumbered).Entitled " Surgical Manipulator Capable of Controlling a Surgical Instrument in either a Semi-Autonomous Mode The U.S. Provisional Patent Application 61/679,258 of or a Manual, Boundary Constrained Mode " is old in more detail The structure of arm 10 has been stated, the structure of arm controller 30 is included, which is incorporated herein by reference.
Robot system 11 can be operated in manual mode.When robot system 11 is when manual mode operates, system of robot The power and torque that system 11 is applied on end effector 12 in response to operator carry out location instrument 14.Power and torque in response to this, Link assembly 22 mechanically moves instrument 14 in the following manner, that is, simulating the power applied based on operator and torque will occur Movement.When instrument 14 moves, surgical robot system 11 and operation guiding system 18 cooperate, to determine whether instrument is limiting In delimiting.This boundary is in patient's body, and navigation system 18 is configured as preventing instrument 14 from operating outside the restriction boundary. Based on this data, the movement of the selectively limiting rod component 22 of robot system 11, and therefore limit the movement of instrument 14.Tool Body, link assembly 22 constrains the movement of instrument 14, that is, instrument 14 can be caused to be applied to limit the movement except boundary.Such as Fruit operator is used to that instrument 14 can be caused to be advanced past the power and torque for limiting boundary, then link assembly 22 will not simulate this instrument 14 plan positioning.
Robot system 11 can operate in semi-autonomous pattern.For the operation robot system 11 in semi-autonomous pattern, Form travel path of the instrument 14 by tissue.Between program starts, the basic version in this path is at least formed.Connection rod set Part 22 makes instrument 14 advance based on path is formed by.When instrument 14 is when semi-autonomous pattern operates, link assembly will not make instrument Device 14 is more than to limit boundary.
Operation instrument 14 is controlled with the instrument of the medical/surgical program of executive plan by operator.In some embodiments In, operation instrument 14 includes the force generation unit for converting electrical signals to can be applied to the form of energy of patient.This energy can To be mechanical, ultrasonic, hot, RF, EM or photoelectricity.When operation instrument 14 includes force generation unit, by from hand Energy is applied to operative site by the energy applicator that art instrument 14 extends.In the exemplary of diagram, operation instrument 14 Including cutting accessory 32 actuator 34 of cutting accessory 32 is driven with cutting accessory 32 is couple to.
II. accessory is cut
Cutting accessory 32 and the rest part of end effector 12 are releasably coupled.For example, Fig. 3,5 and 6 show with The cutting accessory 32 of the rest part engagement of end effector 12, and Fig. 4 shows that the end for not cutting accessory 32 executes Device 12.Tool 38 is configured as removing tissue from the destination organization of patient.As shown, for example, tool 38 is equipment of small motor brill. The motor-driven brill of replacement for small, tool 38 can be for any kind of hand in operative site cutting material and/or removal material Art tool.
With reference to Fig. 7-9, cutting accessory 32 includes tool 38 and the casing 40,140 being couple on tool 38.Specifically, scheme 7-9 shows the cutting accessory 32 of one embodiment including casing 40, and alternatively, Figure 24-25 is shown including casing 140 Another embodiment cutting accessory 32.
0-14 referring to Fig.1, tool 38 is included between proximal end 44 (that is, free end 44) and distal end 46 to be prolonged along tool axis T The axis 42 stretched and the end pieces 48 for the distal end 46 for being fixed to axis 42.Casing 40,140 is rotatably coupled to axis 42.Tool 38 be usually 50-200mm long.For example, tool 38 can be 160mm long.The diameter of the axis 42 of tool 38 is usually 2.5-6.0mm. For example, the diameter of axis 42 can be 4mm.
Tool 38 includes the cutting tip 50 of the destination organization for cutting patient 16.Specifically, end pieces 48 have and cut Cutting tip end 50.
For example, end pieces 48 limit the chamber 52 for the distal end 46 for receiving axis 42.Can in any way, such as, frictional fit is glued End pieces 48 are fixed to axis 42 by mixture, snap ring, welding etc..Alternatively, for example, end pieces 48 are integrally formed with axis 42, That is, end pieces 48 and axis 42 are formed as single part together.
End pieces 48 limit the screw thread 54 close to tool 38.Screw thread 54 forms A Ji together with the end of end effector 12 Mead spiral, for by fragment, (for example, the tissue cut), body fluid and/or flushing liquor to push away end effector 12.
Tool 38 shown in figure be equipment of small motor bore, as described above, and equipment of small motor bore cutting tip 50 be to cut Cut first 72.Without departing from the essence of the present invention, cutting head 72 can have any size, shape and configuration.
Casing 40,140 is rotatably coupled to tool 38, and is axially fixed for 38 along tool axis T-phase.Casing 40 can surround tool axis T rotations.
With reference to Fig. 8 and 9, bearing 56 is placed between tool 38 and casing 40,140, and is fixed along tool axis T Onto tool 38 and casing 40,140.Specifically, bearing 56 limits eyelet 58.Axis 42 is received in eyelet 58 by bearing 56, and And it is connected to axis 42 via frictional fit, that is, the size and shape of the internal diameter of eyelet 58 and the outer diameter of axis 42 are formed as so that axis It holds 56 and is fixed to axis 42 via the friction between the internal diameter and the outer diameter of axis 42 of eyelet 58.Frictional fit is usually by by bearing 56 are pressed onto and are realized on axis 42.Casing 40,140 receives bearing 56 and is connected to bearing 56 via frictional fit.Specifically, it covers Pipe 40,140 limits inner surface 60, and the outer diameter of bearing 56 is friction fit on inner surface 60.
Referring to Fig.1 5 and 16, casing 40 is generally cylindrical.Casing 40 includes main part 62, i.e. substrate 62, tool There is inner surface 60.At least one fingers 64 extend from main part 62.Such as, it is illustrated that casing 40 include from main part The 62 several fingers 64 extended.Fingers 64 are circumferentially separated from one another around tool axis T.Each fingers 64 include The tip 66 of taper, such as be inwardly at an angle of towards tool axis T.Fingers 64 relative to main part 62 be it is flexible, As discussed further below.
With reference to Figure 24 and 25, casing 140 has inner surface 160 and the groove 161 along inner surface 160.Groove 161 usually encloses Circumferentially around inner surface 160.
With reference to Figure 32-38, cutting accessory 32 includes shield 68.When 300 cutting accessory 32 of operation and/or when cutting accessory 32 When being mounted on end effector 12 and being not used, shield 68 covers cutting tip 50.As stated further below, shield 68 sustainable identification features are covered, for example, memory chip or RFID chip, arm control is provided to the parameter of identification cutting accessory 32 Device 30.Equally, as described below, shield 68 can be configured as helping that cutting accessory is engaged and disconnected relative to end effector 12 32。
Cutting accessory 32 is configured as receiving liquid and liquid is transmitted to operative site during cutting.Liquid usually flows Tool 38, such as axis 42 and end pieces 48 are crossed, operative site is flow to.Liquid can serve several.For example, liquid can cool down cutting Tip and/or cooling and surgical site irrigation, the boundary between Castor Oil cutting tip 50 and the tissue contacted with cutting tip 50 Face, to reduce being thermally generated for interface；The tissue and/or body fluid cut can be removed；And/or can cooling of tool 38 axis 42, with Heat is siphoned away from the bearing 104 in nasal tube 100.For example, liquid is rinse solution, such as, for example, salting liquid.Alternatively, exist In the case of essence of the invention, liquid can be to cooling and/or flushing surgical cut accessory 32 and/or operation Any kind of liquid of the tissue at position.
With reference to Fig. 7 and 8, the axis 42 of tool 38 limits the eyelet 70 extended along tool axis T, to transmit liquid.Liquid Eyelet 70 is sent at the proximal end of tool 38 44, as stated further below, and liquid proximally 44 flows to distal end 46。
With reference to Fig. 9-14, cutting head 72 limits at least one port 74 being connected to the eyelet 70 of axis 42.Cutting head 72 is logical Chamber 52 is often limited between the eyelet 70 of axis 42 and port 74.Port 74 extends through cutting head 72, by fluid from axis 42 Eyelet 70 is transmitted to operative site.Port 74 is extended relative to tool axis T with an angle, which is designed to spray It splashes and fluid is transmitted to operative site in the case of the staff in operating room.Port 74 also relative to tool axis T with One angle extends, which is designed to that fluid is prevented generally vertically to be directed at operative site, to prevent fluid in operative site Generate cavitation.For example, port 74 is extended usually relative to tool axis T with the angle between 0 ° and 45 °.Port 74 is usual Diameter with 0.25mm-0.50mm.
7-31 referring to Fig.1, end effector 12 include the support cutting when cutting accessory 32 and being engaged with end effector 12 The nasal tube 100 of accessory 32.Nasal tube 100 limits nasal tube eyelet 102 and receives the axis 42 of cutting accessory 32 in nasal tube eyelet 102. Nasal tube 100 is releasably engaged in nasal tube eyelet 102 and is pivotably supported cutting accessory 32.In general, at least one bearing 104 (such as shown in Fig. 5,6 and 20) are located in nasal tube eyelet 102 and bearing 104 is configured as connecing in nasal tube eyelet 102 Receive and be pivotably supported axis 42.
Nasal tube 100 is fixed relative to mounting fixing parts 36.Nasal tube 100 is along nasal tube axis N in distal end 106 (that is, along nasal tube axis The terminal 106 of line N) extend between the proximal end 108 of nasal tube 100.The nasal tube 100 of diagram includes along the more of nasal tube axis N placements A section and the section are fixed to each other.Alternatively, without departing from the present invention essence in the case of, nasal tube 100 by Single piece of material is formed or is formed by any number of section.
End effector 12 includes the axial connector for axially engaging end effector 12 for that will cut accessory 32 110,150 and for will cut accessory 32 rotation engagement to end effector 12 drive connection device 112.Specifically, Figure 19-23 Show one embodiment of axial connector 110, and Figure 24-31 shows another embodiment of axial connector 150. The axial connector 110 of Figure 19-23 is configured to releasably engage the embodiment of the cutting accessory 32 including casing 40.Figure The axial connector 150 of 24-31 is configured to releasably engage the embodiment of the cutting accessory 32 including casing 140.
Axial connector 110,150 is located at terminal 106 along nasal tube axis N and is drivingly connected between device 112.Axial connector 110, it 150 and is drivingly connected device 112 and is placed around nasal tube axis N.
As stated further below, axial connector 110,150 is supported by nasal tube 100, and is configured as along nasal tube Axis N locks cutting accessory 32 relative to nasal tube 100.As it is following equally further state, be drivingly connected device 112 be configured as Cutting accessory 32 is received along nasal tube axis N and is rotatably driven cutting accessory 32.
In general, axial connector 110,150 and drive connection device 112 are separated from each other along nasal tube axis N.For example, axial Connector 110,150 is located at the distal end 106 of nasal tube 100, and is drivingly connected device 112 along nasal tube axis N and axial connector 110, it 150 is spaced apart, is located between the distal end 106 and proximal end 108 of nasal tube 100.Alternatively, device 112 and axial direction are drivingly connected Connector 110,150 can be adjacent to each other along tool axis T.Axial connector 110,150 and distal connector will cut accessory 32 It is releasably engaged to end effector 12.
Axial connector 110,150 is supported by nasal tube 100, and is releasedly locked along nasal tube axis N by accessory 32 is cut Determine onto nasal tube 100.Axial connector 110,150 and the casing 40 of cutting accessory 32 are releasably engaged.Axial connector 110,150 the eyelet 57 for extending along nasal tube axis N and receiving cutting accessory 32 is limited.Cut terminal of the accessory 32 from nasal tube 100 106, it is extended to by axial connector 110,150 and is drivingly connected device 112.When cutting accessory 32 is assembled into nasal tube 100, cutting The casing 40 of accessory 32 along nasal tube axis N cutting tip 50 (such as, it is illustrated that equipment of small motor bore) 47 He of first end of nearside Extend between the second end 49 in 50 distal side of cutting tip.Axis 42 extends to from the distal end of casing 40 49 and is drivingly connected device 112.
Axial connector 110 shown in 9-21, axial connector 110 are generally coupled to the distal end of nasal tube 100 referring to Fig.1 106, and can be in the extended position (that is, latched position, as shown in Figures 19 and 20) for retaining cutting accessory 32 relative to nasal tube 100 It is moved between the retracted position (that is, unlocked position, as shown in figure 21) of release cutting accessory 32.Specifically, axial connection Device 110,150 can between the locked and unlocked positions be moved along axis.
For example, axial connector 110 includes the cylinder 114 being slidably retained on nasal tube 100, that is, ring 114.In other words, Cylinder 114 is maintained on nasal tube 100 and can be slided between extended position and retracted position relative to nasal tube 100.In general, cylinder 114 can surround tool axis T rotations.Cylinder 114 is typically cylindrical and receives nasal tube 100.
Cylinder 114 is radially extended around casing 40, to be engaged with nasal tube 100 and axial connector cutting accessory 32 110 when being in the locked position relative to 100 squeezing bushing of nasal tube.In other words, in extended position, accessory 32 is cut in the engagement of cylinder 114, Such as the casing 40 of cutting accessory 32, to cut in the engagement to nasal tube 100 of accessory 32.In retracted position, cylinder 114 and cutting Accessory 32 disconnects, to discharge cutting accessory 32 from nasal tube 100.
8-23 referring to Fig.1, nasal tube 100 include the leader 116 of support axial connector 110.For example, nasal tube 100 wraps Include the leader 118 with leader 116.Cylinder 114 and leader 116 limit engagement features, and cylinder 114 is operable Ground is couple to leader 116, so that cylinder 114 can be moved along leader 116 between extended position and retracted position.
For example, at least one engagement member 120 is engaged with cylinder 114 and leader 116, to couple cylinder 114 and guidance part Divide 116, as shown in Figure 19-23.The leader 116 of nasal tube 100 limits at least one channel 122, and engagement member 120 with Channel 122 engages and can be moved between extended position and retracted position along channel 122.Channel 122 is longitudinal along nasal tube axis N Ground extends, and usually extends channel lead part 116.The nasal tube 100 of diagram includes four engaged respectively with four channels 122 A engagement member 120.But axial connector 110 may include any number of engagement member 120 and corresponding channel 122.
For example, engagement member 120 is with the channel engagement of cylinder 114 and leader 116 so that cylinder 114 is couple to guidance part Divide 118 ball.Cylinder 114 limits the recess 124 for receiving balls, typically hemispherical shape.Ball rotated in recess 124 and It is fixed to cylinder 114 along tool axis T.Ball is engaged with the channel 122 of leader 116, with along channel, that is, along nasal tube axis N, the movement of guiding tube 114.Ball is substituted, engagement member 120 can be any kind of spy that cylinder 114 is couple to leader Sign, such as, for example, pin, flange etc..
9-22 referring to Fig.1, biasing device 126 of the axial connector 110 including being couple to cylinder 114, such as spring 126, and And biasing device 126 pushes cylinder 114 towards extended position.By to cylinder 114 application towards retracted position be enough overcome bias The power for the power (i.e., it is sufficient to compress biasing device 126) that device 126 is applied, cylinder 114 can be moved into retracted position.As shown, For example, biasing device 126 is located in nasal tube eyelet 102.Biasing device 126 adjoins the bearing 104 in nasal tube eyelet 102, such as schemes Shown in 19-21, to make biasing device 126 be held in place along nasal tube axis N.The biasing device 126 of diagram is coil spring.It substitutes Property, biasing device 126 is any kind of biasing device.
With continued reference to Figure 19-22, piston 128 is between biasing device 126 and cylinder 114, for coupling biasing device 126 With cylinder 114.Specifically, piston 128 is located in nasal tube eyelet 102, and is configured as in nasal tube eyelet 102 relative to nasal tube 100 slidings.Engagement member 120, for example, ball, between piston 128 and cylinder 114, and 120 contact piston of engagement member 128.Piston 128 limits the conical surface 130 for receiving engagement member 120.Biasing device 126 is between bearing 56 and piston 128 Adjoin piston 128.Piston 128 is substituted, cylinder 114 and biasing device 126 can be configured as being in direct contact.
Continue operation diagram 19-22, nasal tube 100 is limited to the groove 132 near the distal end 106 of nasal tube 100, that is, recess 132, circumferentially around nasal tube 100.9-21 referring to Fig.1, groove 132 is partly by tapered far from nasal tube axis N Inclined-plane 134 limits.Slope surface 136 extends from inclined-plane 134 towards the distal end of nasal tube 100, and tapered towards nasal tube axis N.When In extended position, cylinder 114 is generally proximal to groove 132, that is, is aligned and encloses with groove 132 at least partly along nasal tube axis N At least one portion around groove 132 is radially placed.
Using axial connector 110, cutting accessory 32 can be engaged with end effector 12, without using tool 38, That is, merely with the hand of operator.It can be one-handed performance that cutting tool 38, which is assembled into end effector 12, that is, utilize operation The hand of people is completed.By by cutting tool 38 be inserted into nasal tube eyelet 102 and along nasal tube eyelet 102 it is right towards nasal tube 100 Cutting tool 38 applies pressure so that cutting tool 38 is engaged with axial connector 110, and cutting tool 38, which is assembled into end, to be held Row device 12.
Specifically, it is assembled into end effector 12 in order to which accessory 32 will be cut, the axis 42 of tool 38 is inserted into nasal tube eyelet In 102.When axis 42 is moved along nasal tube eyelet 102, the bearing 104 in nasal tube eyelet 102 receives axis 42.As described above, casing 40 fingers 64 are flexible relative to the main part 62 of casing 40.In general, fingers 64 are slided along slope surface 136, and work as Casing 40 is deformed along slope surface 136 relative to tool axis T outward close to when cylinder 114.
When axis is moved along nasal tube eyelet 102, the tip 66 of fingers 64 adjoins cylinder 114 and pushes cylinder towards retracted position 114.Specifically, fingers 64 and cylinder 114 include relative to each other along nasal tube axis N when cutting accessory 32 and being engaged with nasal tube 100 Apparent surface 115.Apparent surface 115 is typically inclined.For example, the apparent surface 115 of each fingers 64 is along from set The inwardly tapered inclined-plane in the direction of the first end 47 of pipe 40 towards the second end 49 of casing 40, so as in cutting accessory 32 and nose Nasal tube 100 and curved fingers 64 are contacted between 100 joint aging time of pipe.The apparent surface 115 of each fingers 64 terminates at casing 40 Second end 49 at.
When the tip of fingers 64 66 reaches groove 132, tip 66 is moved into nasal tube 100 towards tool axis T In groove 132 in, and cylinder 114 return extended position, accessory 32 will be cut and be locked to nasal tube 100.In other words, work as cutting When accessory 32 is engaged with nasal tube 100 and axial connector 110 is in extended position, 110 bond fingers portion 64 of axial connector.
Fingers 64 respectively limit protrusion 65, as shown in figs, for example, protrusion is configured as engagement groove 132.Refer to Shape portion 64 is typically configured as along 136 outside flexible deformation of slope surface so that fingers 64 sprung into towards pre-deformed shape it is recessed In slot 132.Additionally or alternatively, when tip 66 contacts cylinder 114 and is slided on cylinder, cylinder 114 makes fingers 64 deform And enter in groove 132.
When cutting accessory 32 is engaged with end effector 12, the bearing 56 of cutting accessory 32 adjoins the distal end of nasal tube 100 106.Axial connector 110 is configured as the engagement cutting when the bearing 56 for cutting accessory 32 adjoins the distal end 106 of nasal tube 100 and matches Part 32.The tip 66 of fingers 64 is caught in groove 132 cutting accessory 32 can be provided and be appropriately placed and be connected so as to axial Haptic confirmation of the engagement of accessory 32 to the position of nasal tube 100 will be cut by connecing device 110, that is, confirm that bearing 56 adjoins the remote of nasal tube 100 End 106.In other words, when operator feels, sees and/or hear that the tip 66 of fingers 64 enters groove 132, operator Confirm that cutting accessory 32 is appropriately placed relative to end effector 12, to be engaged with axial connector 110.Fingers 64, the slope surface 136 of nasal tube 100 and cylinder 114 are configured as when cutting accessory 102 is engaged with end effector 12, that is, work as finger-like When the tip 66 in portion 64 is bonded between the slope surface 136 of nasal tube 100 and cylinder 114, the distal end 106 relative to nasal tube 100 pulls axis Hold 56.
When the tip of fingers 64 66 is located in groove 132, cylinder 114 is biased into extended position by biasing device 126, is not had There is external force to be applied to cylinder 114.When the tip of fingers 64 66 is located in groove 132 and cylinder 114 is in extended position, cylinder 114 make fingers 64 squeeze the inclined-plane 134 of nasal tube 100, and casing 40 is locked to nasal tube 100.
In order to discharge cutting tool 38 from end effector 12, towards retracted position moving cylinder 114, to be released from groove 132 Put the tip 66 of fingers 64.It is moved towards the operator of the power of retracted position towards retracted position in general, applying on cylinder 114 Cylinder 114.Cylinder 114 and nasal tube 100 limit the apparent surface 138 for being configured as abutting one another when cylinder 114 is moved to retracted position.
When cylinder 114 is located at retracted position, cutting tool 38 can be moved far from nasal tube 100 along nasal tube axis N.In general, referring to Shape portion 64 is configured as being maintained in groove 132 when cylinder 114 is located at retracted position, when far from the movement cutting tool of nasal tube 100 When 38, fingers 64 are far from tool axis T flexible deformations, while the tip 66 of fingers 64 is slided along inclined-plane 134.
As described above, shield 68 is configured as that cutting accessory 32 is made to engage and disconnect with end effector 12.Specifically, it protects Cover 68 is configured as actuating cylinder 114.In other words, shield 68 is configured as cylinder 114 being moved to retracted position, makes cutting accessory 32 It engages and disconnects with nasal tube 100.
With reference to Figure 32-34B, shield 68 includes external component 76 and the internal component slidably engaged with external component 76 78.Specifically, external component 76 limits eyelet 80 and internal component 78 is slidably received in eyelet 80.Internal component 78 can slide in eyelet 80 between extended position (as shown in figure 37) and compression position (as shown in figure 38).
With reference to Figure 34 A, external component 76 includes main body 82 and the flexible tang 84 for being flexibly connected to main body 82.It can Bending tang 84 supports the barb 86 extended in eyelet 80.Internal component 78 limits the slit 88 for receiving barb 86.
With reference to Figure 34 B, internal component 78 includes main body 90 and the flexible tang 92 for being flexibly connected to main body 90.It can It is bent tang 92 and supports barb 90.Internal component 78 limits internal boss 94, for example, it is truncated cone shape.Internal component 78 can Including finger handle 97.
With reference to Figure 35 and 36, shield 68 receives cutting accessory 32.As described above, the cutting of the covering cutting accessory 32 of shield 68 Tip 50, to help to operate cutting accessory 32.
When cutting accessory 32 is located in shield 68, the casing 40 of cutting accessory 32 adjoins boss 94.The restriction of casing 40 connects Receive internal component 78 tang 92 groove 96.
When shield 68 receives cutting accessory 32, so that when casing 40 adjoins boss 94, operator can utilize internal structure Part 78 makes cutting accessory 32 be engaged with axial connector 110.Specifically, when the axis 42 of cutting accessory 32 is located at nasal tube eyelet 102 When middle, user can apply along nasal tube axis T on internal component 78 power towards nasal tube 100, so that shield 68 is convex Platform 94 forces casing 40 to be engaged with axial connector 110.Once casing 40 is engaged with axial connector 110, so that it may by along nose Pipe axis T applies the power far from nasal tube 100 on shield 68 and removes shield 68 from cutting accessory 32.
Shield 68 is placed for example, after surgical procedures in order to disconnect cutting accessory 32 from axial connector 110 On cutting accessory 32 so that boss 94 adjoins casing 40.In this configuration, on the tang 84 of external component 76 and cylinder 114 Groove 98 engage.Then, external component 76 is moved to compression position relative to internal component 78, it as shown in figure 38, will Cylinder 114 is moved to retracted position.
Specifically, operator grasps internal component 78 with a hand and grasps external component 76 with another hand.Then, Operator moves external component 76 along nasal tube axis N relative to internal component 78.As shown in figure 38, this movement forces external component The groove 98 of 76 tang 84 against cylinder 114 cuts accessory to force cylinder 114 to come retracted position to be discharged from nasal tube 100 32。
As described above, when shield 68 is located on cutting accessory 32, tang 92 and the friction of casing 40 of internal component 78 connect It closes.When external component 76 is moved to compression position, as shown in figure 38, external component 76 and internal component 78 are along nasal tube axis N Nasal tube 100 is moved away from, to remove cutting accessory 32 from nasal tube 100.During moving herein, rubbing between tang 92 and casing 40 Wiping engagement makes cutting accessory 32 be remained attached on shield 68 when shield 68 is moved far from nasal tube 100.
As described above, the receiving of axial connector 150 shown in Figure 24-31 includes the cutting accessory 32 of casing 140.Axially connect Device 150 is connect to be supported on the leader 152 of nasal tube 100.Axial connector 150 includes the finger supported by leader 152 Shape portion 154 and the cylinder 156 that the T rotations of nasal tube axis can be surrounded, radially to lock and unlock fingers relative to leader 152 154, as stated further below.
Specifically, with reference to Figure 26 and 27, axial connector 150 includes locking component 153, and locking component includes 162 He of ring The fingers 154 extended from ring 162.Fingers 154 include respectively protrusion 164.Although Figure 26 and 27 is shown including two The locking component 153 of fingers 154, but without departing from the essence of the present invention, locking component 153 may include arbitrary conjunction The fingers 154 of suitable quantity.
With reference to Figure 26,28 and 29, leader 152 receives locking hoop 158.Leader 152 limits a pair of of slit 66, such as Shown in Figure 26 and 27, and the protrusion 164 of each fingers 154 is placed as respectively extending through slit 166, such as Figure 27 and 28 It is shown.154 bias protrusion 164 of fingers, to extend through slit 166.
With reference to Figure 26-29, locking hoop 158 be located in leader 152 and positioned at fingers 154 it is interior inwardly.Lock Surely hoop 158 includes wall 168, typically cylindrical, it is circumferentially spaced for receiving fingers 154 to limit surrounding wall 168 Protrusion 164 notch 170, as stated further below.
Cylinder 156 is supported on leader 152, and engages locking hoop 158 by leader 152.Specifically, such as Figure 29 best seen from, ball 172 extends through the slit 174 in leader 152 and 158 is engaged with cylinder 156 and locking hoop. If Figure 26,27 and 29 are best seen from, cylinder 156 limits the scrobicula 176 for receiving ball 172.With reference to Figure 26 and 27,158 limit of locking hoop Surely the groove 178 of ball 172 is received.Without departing from the essence of the present invention, although Figure 26 and 27 shows two balls 172, but lock the ball 172 that hoop 158 may include any suitable number.
Cylinder 156 can surround nasal tube axis N unlocked position (as shown in Figure 28 and Figure 29) and latched position (not shown) it Between rotate.Locking hoop 158 moves between the locked and unlocked positions together with cylinder 156.In unlocked position, cylinder 156 It is placed such that the notch 170 of locking hoop 158 is aligned with fingers 154, to allow fingers 154 in response in protrusion 164 Power radially inwardly resilient movement.In latched position, cylinder 156 is placed such that the wall 168 and fingers of locking hoop 158 154 alignment.In such position, wall 168 prevents fingers 154 from being moved radially inwardly in response to the power in protrusion 164, that is, will Fingers 154 lock in place.
It will be cut with reference to Figure 30 and 31 by the way that the axis 38 for cutting accessory 32 is inserted into nasal tube eyelet 102 along nasal tube axis N It cuts accessory 32 and is attached to nasal tube 100.In the case where cylinder 156 is located at unlocked position, that is, locking hoop 158 notch 170 with In the case that fingers 154 are aligned, when casing 110 touches protrusion, the casing 140 of cutting accessory 32, which radially inwardly presses, to be referred to The protrusion 164 in shape portion 154.Since casing 140 radially inwardly presses fingers 154, cutting accessory 32 can be against nasal tube 100 stand, as shown in figs. 30 and 31.Specifically, when cutting accessory 32 is stood against nasal tube 100, the bearing of accessory 32 is cut 56 adjoin the distal end 106 of nasal tube 100.
When cutting accessory 32 and being stood against nasal tube 100, slit that 154 fexible bias pressure of fingers passes through leader 152 It 166 and is engaged with the groove of casing 140 178, for example, as shown in figs. 30 and 31.When cutting accessory 32 is stood against nasal tube 100 When, cylinder 156 is rotated to latched position, that is, is aligned the wall 168 of locking hoop 158 with fingers 154, to prevent radially-inwardly Ground presses fingers 154.In such position, cutting accessory 32 is locked to nasal tube by axial connector 150 in an axial direction.
When that will remove cutting accessory 32 from nasal tube 100, cylinder 156 is rotated to unlocked position, that is, by locking hoop 158 Notch 170 be aligned with fingers 154.In such position accessory 32 is cut when pulling open cutting accessory 32 from nasal tube 100 Casing 140 fingers 154 are radially inwardly pressed into notch 170, with allow from nasal tube 100 remove cutting accessory 32.
With reference to Figure 26, leader 152 and locking hoop 158 be configured to supply latched position to determine cylinder 156 and The touch feedback of unlocked position.Specifically, the slit 174 of leader 152 limits retainer 180, and locks hoop 158 Groove 178 has superficial part 182 and deep 184.Flat 186 is located between the retainer 180 of slit 174.Spring 188 is located at In leader 152, between leader 152 and locking hoop 158, and ball 172 is biased into retainer 180 and superficial part 182 In.
Specifically, when cylinder 156 is in unlocked position, ball 172 is located in a retainer 180.When cylinder 156 is towards lock When rotation is set in positioning, flat 186 forces locking hoop 158 against spring 188.When ball 172 reaches another retainer 180 When, spring forces ball 172 to enter another retainer 180.Ball 172 and the interaction of retainer 180 provide touch feedback And cylinder 156 is made to be held resiliently in selected unlocked position or latched position.
With reference to Figure 39 and 40, cutting tool 38 includes the drive system 200 for driving cutting accessory 32.The driving of diagram System 200 is configured as bestowing moving in rotation to cutting accessory 32, for example, rotation equipment of small motor bores.Alternatively, drive system 200 can be configured as bestowing any kind of movement to cutting accessory 32, such as, for example, the oscillation of the saw for reciprocating movement Translation, for opposite blade extrudings move, for the translation etc. of needle/conduit.
Drive system 200 includes the drive member 202 (for example, Rotary-drive member 202) supported by nasal tube 100, couples To drive member 202 actuator 34 and be couple to drive member 202 for rotatably engage cutting accessory 32 driving connect Connect device 112.The drive member 202 of diagram is rotatably supported in nasal tube 100.Specifically, bearing 204 is located at drive member Between 202 and nasal tube 100, and drive member 202 is pivotally supported in nasal tube 100 by bearing 204.With reference to Figure 44 and 45, drive member 202 limits the bearing surface 234 for receiving bearing 204.As stated further below, 34 coupling of actuator It is connected to drive member 202, with Rotary-drive member 202.Specifically, actuator 34 be couple to be drivingly connected device 112, with relative to The rotation of nasal tube 100 is drivingly connected device 112.
It is drivingly connected device 112 to be supported by nasal tube 100, and receives cutting accessory 32, optionally to drive cutting accessory 32.It is drivingly connected device 112 and limits eyelet 207, extend along nasal tube axis N and receive cutting accessory 32.
With reference to Figure 41-43, it includes wedge-type sleeve 208 and the clamp assemblies in wedge-type sleeve 208 to be drivingly connected device 112 210.Axial connector 110 is spaced apart with clamp assemblies 210.Specifically, axial connector 110 is located at clamp assemblies 210 and cuts It cuts between the cutting tip 50 of accessory 32.
Clamp assemblies 210 are configured as slideably receiving the axis 42 of tool 38 along nasal tube axis N.Clamp assemblies 210 by Drive member 202 is supported and can be rotated relative to drive member 202, and the axis 42 of cutting accessory 32 is received along nasal tube axis N, So that axis 42 is selectively locked to drive member 202.Specifically, axis 42 is slid into clamp assemblies 210, so that tool 38 engage with clamp assemblies 210, and can skid off clamp assemblies 210, to disconnect the engagement of tool 38 and clamp assemblies 210.
Wedge-type sleeve 208 and clamp assemblies 210 are configured as the axis to cutting accessory 32 by 202 friction lock of drive member 42, it will move from drive member 202 and be transmitted to axis 42.Clamp assemblies 210 are allowed on cutting accessory 32 using relatively short Axis 42.The rigidity that cutting accessory 32 can be increased using the relatively short axis 42 of this cutting accessory 32, increases surgical pathway, and It is more economical due to the use of less material.
With reference to Figure 48-55, clamp assemblies 210 include cage 212, and cage limits eyelet and axially spaced simultaneously around cage 212 The multiple slits 216 being connected to eyelet.Roller bearing 214 is located in each slit 216.Cage 212 limits a pair of edge spaced apart 218, edge 218 limits each slit 216, and roller bearing 214 adjoins this to each of edge 218.Roller bearing 214 extends through Slit, into eyelet.Roller bearing 214 is separated from each other and receives axis 42 therebetween.
Roller bearing 214 can be moved radially relative to cage 212.Spring 220 extends around roller bearing 214 and cage 212, so that roller bearing 214 keep being in the slit 218 of cage 212 and pushing roller bearing 214 making its engagement edge 218.It is used for example, roller bearing 214 limits In the neck 222 for receiving spring 220.Clamp assemblies 210 shown in Figure 48-55 include six slits 218 and six roller bearings 214, But clamp assemblies 210 may include any number of slit 218 and corresponding roller bearing 214.When axis 42 is arranged in clamp assemblies 210 When middle, the axis 42 of cutting accessory 32 contacts each roller bearing 214.
With reference to Figure 41-43, for example, drive member 202 is engaged with bracket 226, and clamp assemblies 210 are kept in driving Between component 202 and bracket 226.For example, bracket 226 limits lip 228 and drive member 202 includes end 230.Lip 228 and end 230 define therebetween chamber 232, and clamp assemblies 210 are located in chamber 323, as shown in figure 43.Bearing 206 is located at Between bracket 226 and nasal tube 100, and bracket 226 is pivotally supported in nasal tube 100 by bearing 206.With reference to Figure 44 and 45, bracket 226 limits the bearing surface 236 for receiving bearing 206.
It includes inner wall 209 to be drivingly connected device 112, and inner wall receives clamp assemblies 210 and is configured as selectively bias Roller bearing 214 makes it against axis 42.Specifically, wedge-type sleeve 208 limits inner wall 209.208 separately shown Figure 47, wedge-type sleeve Between drive member 202 and bracket 226, as shown in Figure 41-43, and it is fixed to drive member 202.Wedge-type sleeve 208 It is fixed to drive member 202 in any way, such as, for example, being pressed, welding, adhere to, hammering into.
With reference to Figure 47 and 52-55, wedge-type sleeve 208 limits eyelet 238 and with positioned axially around eyelet 238 Contact surface 240.Contact surface 240 shown in Figure 47 and 52-55 is facet, that is, plane.Alternatively, contact surface 240 Can have be enough to squeeze when wedge-type sleeve 208 is rotated relative to clamp assemblies 210 contact surface 240 and tool 38 axis 42 it Between roller bearing 214 any shape.For example, contact surface 240 can be arc-shaped around nasal tube axis N.The wedge-type of Figure 47 and 52-55 Sleeve 208 includes 12 contact surfaces 240, that is, dodecagon.Alternatively, wedge-type sleeve 208 may include any number of Contact surface 240.
Contact surface 240 can be configured as contacting roller bearing 214 when wedge-type sleeve 208 is rotated relative to clamp assemblies 210. Before the axis 42 of tool 38 is inserted into clamp assemblies 210, roller bearing 214 is spaced apart with contact surface 240, such as the institutes of Figure 52 and 53 Show.As shown in figure 54, when axis 42 is initially inserted into clamp assemblies 210, roller bearing 214 is still spaced apart with contact surface 240.When When clamp assemblies 210 are rotated relative to wedge-type sleeve 208, the axis 42 of tool 38 is rotationally locked to drive system by roller bearing 214 On 200, as shown in figure 55.
For example, when actuator 34 drives drive member 202, drive member 202 is relative to 210 rotating wedge-type of clamp assemblies Sleeve 208.When wedge-type sleeve 208 is rotated relative to clamp assemblies 210, contact surface 240 contacts roller bearing 214 and by roller bearing 214 are extruded between contact surface 240 and the axis 42 of tool 38, and the axis 42 of tool 38 is rotationally locked to drive member On 202.In other words, contact surface 240 causes roller bearing 214 and the axis 42 of tool 38 to be frictionally engaged.Clamp assemblies 210 are independently to connect It closes and independently discharges.Operator is only inserted into axis 42 along nasal tube axis N and is engaged to clamp assemblies 210, so that axis and clamping group Part 210 engages, that is, need not reverse.As described above, axial connector 110 axially keeps cutting accessory 32 along nasal tube axis N It is engaged with nasal tube 100.
Clamp assemblies 210 are configured as releasedly connecing with the cylindrical outer surface of the outer surface of the axis of tool 38 42 43 43 It closes.Specifically, the outer surface 43 of axis 42 has the cylindrical section being releasably engaged with drive connection device 112.Outer surface 43 Usually there is the constant outer diameter that free end 45 is extended to from casing 40.In other words, clamp assemblies 210 do not require the axis 42 of tool 38 With being designed to for moving in rotation to be transmitted to the flat surface or other features of axis 42.Clamp assemblies 210 can be with cylindrical shaft 42 any part engagement.Axis 42 usually (that is, along the whole length of axis 42) be between proximal end 44 and distal end 46 it is cylindrical, Without by making axis 42 be engaged with clamp assemblies 210 along the special alignment axles of nasal tube axis N 42.In other words, by axis 42 It engages and the special characteristic on axis 42 need not be aligned in along the specific position of nasal tube axis N with clamp assemblies 210.
Drive system including drive member 202, wedge-type sleeve 208 and clamp assemblies 210 makes it possible for high rigidity Cutting accessory 32, reduce interference of the cutting accessory 32 to sight, the volume by reducing 100 end of nasal tube increases operation and regards Wild access, and allow accurate axially position, for example, when axial connector 110 is used together.
The use of drive system 200, the specifically use of drive member 202, wedge-type sleeve 208 and clamp assemblies 210, no It is limited to end effector 12.In other words, drive system 200 can be implemented on any kind of device.For example, hand-hold type power Tool (not shown) may include drive system 200.The hand-hold power tool can be hand-hold power tool of for example performing the operation.
Drive system 200 is not limited to be used together with flushing type cutting accessory.For example, drive system 200 can be used for coupling To solid cutting tool.One this kind of cutting tool may include the axis of such as 2mm diameters.
End effector 12 and cutting accessory 32 limit liquid transmitting path L, for passing through end effector 12 and cutting Liquid is transmitted to operative site by accessory 32.Figures 5 and 6 show that one embodiment of liquid transmitting path L, Figure 31 show liquid Another embodiment of body transmitting path L.The eyelet 242 (that is, inner cavity 242) of driving instrument 202, the eyelet of tool 38 and cutting First 72 port limits liquid transmitting path L.
With reference to Figure 43-45, drive member 202 includes the take over 244 for receiving liquid, as discussed further below. Drive member 202 limits the eyelet 242 for extending and extending through drive member 202 from take over 244 along tool axis T.As above Described, the axis 42 for cutting accessory 32 is received in the eyelet 242 of drive member 202 by drive member 202, that is, with cutting accessory 32 are releasably engaged, and the liquid from take over 244 is transmitted to axis 42 by drive member 202.During cutting, liquid can It is sent at take over 244 in the eyelet 242 of drive member 202, and liquid flow is overdrived the eyelet 242 of component 202, stream The eyelet 70 of axis 42 is crossed, and is flowed out on operative site from the port of cutting head 72 74.
With reference to Figures 5 and 6, static seal 246, also referred to as first seal, is located at drive member 202 herein In eyelet, and when cutting accessory 32 is accepted in the eyelet of drive member 202, static seal 246 is in drive member Sealing is formed between 202 and cutting accessory 32, to prevent liquid from being let out between drive member 202 and the axis 42 of cutting accessory 32 Leakage.
Static seal 246 limits eyelet 248, and static seal 246 is configured as being inserted into eyelet 248 when axis 42 Relative to the axis 42 of external sealing tool 38 when middle.With reference to Figure 43-45, drive member 202, which limits, receives static seal 246 Recess portion 250.Static seal 246 is slidably received in accessory 32 is cut in eyelet 248 along nasal tube axis N.Specifically, it drives Dynamic component 202 limits recess portion 250.Static seal 246 is rotationally fixed to drive member 202 and cutting accessory 32, is used for Sealing is formed between drive member 202 and cutting accessory 32.
Static seal 246 is " static state ", because the axis 42 of drive member 202 and cutting accessory 32 is used as a unit It moves together, and static seal 246 statically forms sealing between drive member 202 and cutting accessory 32.For example, quiet State sealing element 246 is high temperature elastomer material, such as, for example, silicone orIt is autoclave compatibility.
With reference to Fig. 5-6 and 56-58, end effector 12 includes tubular element 252, that is, fluid transmission member is configured as It is couple to drive member 202, the eyelet 242 for fluid to be transmitted to drive member 202.Tubular element 252 can be removably It is engaged with drive member 202.Specifically, tubular element 252 is configured to be removably connected to take over 244.Tubular element 252 by with It is set to the rest part that the communication of liquid, electricity and/or data is transmitted to end effector 12.For example, when tubular element 252 is connected to When take over 244, tubular element 252 is connected to liquid transmitting path L, and path L is generated for liquid to be transmitted to liquid.
With continued reference to Figures 5 and 6, shell 254 is attached to nasal tube 100, and limits the chamber for removably receiving tubular element 252 256.For example, tubular element 252 and chamber 256 are configured such that tubular element 252 is maintained at by frictional fit in chamber 256.It substitutes Property or extraly, tubular element 252 and chamber 256 may include for tubular element 252 to be selectively maintained at any in chamber 256 The feature of type.
For example, 244 engagement of take over of tubular element 252 and drive member 202, for liquid to be transmitted to drive member 202 Eyelet 242.Tubular element 252 is connected to fluid supply (not shown), and liquid is transmitted to tubular element 252 by fluid supply.For example, Fluid supply is the peristaltic pump controlled by arm controller 30.Tubular element 252 is usually connected to fluid supply by pipe (not shown).
With reference to Figure 56-58, tubular element 252 includes dynamic sealing 258, herein also referred to as second seal, is used In the take over 244 for being connected to drive member 202.Dynamic sealing 258 limits the eyelet 260 for receiving take over 244.Work as tubular element 252 when being couple to drive member 202, and dynamic sealing 258 is placed on around take over 244 between take over 244 and tubular element 252. For example, dynamic sealing 258 isFilling type polyamide.
Dynamic sealing 258 is rotatably engaged at least one of drive member 202 and tubular element 252, so as to Drive member 202 and tubular element 252 carry out forming sealing between them during relative rotation.When drive member 202 rotates, Dynamic sealing 258 is usually relative to 252 remains stationary of tubular element, and take over 244 rotates relative to dynamic sealing 258. Dynamic sealing 258 be configured to be sealed in when take over 224 rotates relative to tubular element 252 take over 224 and tubular element 252 it Between.In general, when tubular element 252 is separated with drive member 202, dynamic sealing 258 is kept in tubular element 252, that is, this When dynamic sealing 258 moved together with tubular element 252.
Drive member 202 extends along nasal tube axis N.Static seal 246 extends around nasal tube axis N.When tubular element 252 When being couple to drive member 202, dynamic sealing 258 extends around nasal tube axis N.When tubular element is couple to drive member 202 When, static seal 246 and dynamic sealing 258 are spaced apart along nasal tube axis N.Static seal 246 is placed on drive along axis Between movement connector 112 and dynamic sealing 258.
For example, tubular element 252 includes data communication connector (not shown), and the support of shell 254 is for passing data The defeated corresponding data communication connector (not shown) that data are received to end effector 12 and from end effector.For example, end Portion's actuator 12 can such as discuss the data transmission from NVRAM chips or RFID reader to arm controller 30 further below It states.For example, flexible circuit is connected to the data communication connector of tubular element 252, to transfer data to data communication link It connects device or receives from it data.For example, flexible circuit can be couple at least part of pipe and/or wiring and extend along. The data communication connector of tubular element 252 can be any similar data communication link with the corresponding data communications connector of shell Device is connect, such as, pin/corresponding interface, plug/socket etc..
Alternatively, in the embodiment shown in Figure 31, the axis 42 of cutting accessory 32, which extends through, is drivingly connected device 112, Extend to the dynamic sealing 258 of tubular element 252.This configuration no longer needs static seal.
With reference to Figure 59-62 and 70, end effector 12 includes the handle 300 for being rotatably coupled to nasal tube 100.Nasal tube 100 are pivotably supported handle 300 around nasal tube axis N.Handle 300 limits the eyelet 302 for receiving nasal tube 100.Operator's Hand grasping member 300, to move end effector 12 using power-torque sensor 408 as described above.Handle 300 usually has There is ergonomic shape, so as to the profile of matching operation person's hand.Handle 300 in Figure 59-62 optionally with nasal tube 100 It locks together, selectively to prevent handle 300 from being rotated relative to nasal tube 100 around nasal tube axis N.Handle in Figure 70 300 can always rotate freely around nasal tube 100.
With reference to Figure 68 and 69, sleeve 304 is couple to nasal tube 100 and limits the screw thread 306 coaxial with nasal tube axis N.Sleeve 304 are axially fixed along nasal tube axis N relative to nasal tube 100.
With reference to Figure 66 and 67, handle 300 includes the inner surface 308 for limiting screw thread 310, the groove of screw thread 310 and sleeve 304 306 engagements, nasal tube 100 is couple to by handle 300.Sleeve 304 is usually located at the distal end 106 of nasal tube 100, and alternative Ground can be located at any position along nasal tube 100.Bushing 312, and can be relative to nasal tube between nasal tube 100 and sleeve 304 At least one of 100 and sleeve 304 rotate.
With reference to Figure 61, bushing 314 is between nasal tube 100 and handle 300, for handle 300 to be rotatably coupled to Nasal tube 100.Bushing 314 is spaced apart with sleeve 304, and the distal end of sleeve 304 and nasal tube 100 is usually placed on along nasal tube 100 Between 106.The inner surface 308 of handle 300 is engaged with bushing 314.For example, bushing 314 is fixed on nasal tube 100, for example, it is logical Frictional fit is crossed, and the inner surface 308 of handle 300 is rotatably engaged with bushing 314.Alternatively, for example, bushing 314 It is fixed on the inner surface 308 of handle 300, such as by frictional fit, and bushing 314 rotatably connects with nasal tube 100 It closes.
Handle 300 provides the 6th passive axis.In other words, movement can be from the hand of operator with five degree of freedom (DOF) It is transferred to handle 300, and handle 300 is passive around six degree of freedom, that is, do not transmit movement, that is, surround nasal tube axis Line N rotations.In other words, any torque of handle 300 is applied to both relative to 100 rotating handle 300 of nasal tube.With reference to Fig. 3, handle 300 by the mobile rest part for being transferred to end effector 12, for example, nasal tube 100, along x-axis, y-axis and z-axis translation and surround The rotation of x-axis and y-axis.Handle 300 is passive in the rotation around z-axis, that is, movement is not transferred to nasal tube 100.
With reference to Figure 64-67, handle 300 and nasal tube 100 are limited for handle 300 to be selectively locked to nasal tube 100 Lock-in feature 316.For example, nasal tube 100, which limits, surrounds the tooth 318 of nasal tube 100 circumferentially, and handle 300 includes being used for The locking engaged with tooth 318 is rotationally locked to nasal tube 100 according to 320, by handle 300.Nasal tube 100 includes circumferential ring 322, For example, it is with tooth 318.
Locking component 320 is aligned along nasal tube axis N with tooth 318.For example, locking component 320 is and the screw thread in handle 300 The positioning screw that access aperture 324 is threadedly engaged.Positioning screw threadingly can be advanced and shrink relative to access aperture 324, with engagement With disconnection tooth 318.
With reference to Figure 63-77, end effector 12 includes grasping sensing mechanism 400,450.Figure 63-69 shows grasping sensing One embodiment of structure 400, and Figure 69-77 shows the second embodiment for grasping sensing mechanism 450.When robot 11 exists When being operated in manual mode, sensing mechanism 400,450 is grasped when operator discharges, for example, operator is accidentally unlocked end execution Device 12, the operation of cutting accessory 32 and cutting can be prevented by grasping sensing mechanism 400,450.In other words, during use, as long as behaviour Author's continuous braking grasps sensing mechanism 400,450, and arm 10 just moves cutting accessory 32 and actuator 34 can be energized to Driving cutting accessory 32.If operator discharge grasp sensing mechanism 400,450, arm 10 will not move cutting accessory 32 and The operation of actuator 34 is prevented from.This ensures that cutting accessory 32 will not be moved or be driven, for example, not rotating, remove non-operator Hand catch the handle 300 of end effector 12.
Sensing mechanism 400,450 is grasped to be usually supported on handle 300.Sensing mechanism 400,450 is grasped to be configured as It is activated in the case of operator's grasping member 300 when the hand with operator engages.
It includes lever 402, i.e. trigger member 402 to grasp sensing mechanism 400,450, is removably mounted to handle 300 With the sensor 408 for moving and activateding in response to lever 402.In other words, sensor 408 supported by nasal tube 100 and by It is configured to determine that the position of lever 402 is located at grip locations and releasing position.With reference to Figure 66, handle 300 limits slit 404, and lever 402 is located in slit 404.
With reference to Figure 66-67 and 74-75, lever 402 is usually pivotally mounted on handle 300, and is configured as It is pivoted relative to handle 300 when operator's grasping member 300.For example, lever 402 is supported by nasal tube 100, such as utilize pin 406 are nailed on handle 300, and lever 402 can surround pin 406 relative to handle 300 depressed position and releasing position it Between rotate.Alternatively, lever 402 can for example be configured as sliding along nasal tube axis N along handle 300, can be configured as phase Vertically be depressed for handle 300 and nasal tube axis N, etc..
Sensor 408 is in first state in response to lever 402 is pivoted to depressed position relative to handle 300. First state, sensor 408 indicate to arm controller 30,10 movable end actuator 12 of arm and actuator 34 can be operated Accessory 32 is cut with driving.Sensor 408 in response to relative to handle 300 by lever 402 be pivoted to releasing position and in the Two-state.In the second state, sensor 408 indicates that arm 10 should not move end effector 12 and cause to arm controller 30 Dynamic device 34 is not operable to driving cutting accessory 32.
Exciter 410 is generally coupled to lever 402, with actuation sensor device 408 between the first state and a second state. Exciter 410 is configured to respond to movement of the lever 402 between depressed position and releasing position and is communicated with sensor 408.
Exciter 410 is operably coupled to lever 402, so that the actuating of lever 402 causes the shifting of exciter 410 It is dynamic.For example, as stated further below, lever 402 is operably coupled to exciter 410, with opposite in response to lever 402 In the pivot of handle 300 exciter 410 is translated relative to sensor 408.
For example, sensor 408 is inductance type transducer, also, for example, exciter 410 is metal indicator.But it answers This understands that sensor 408 can be any kind of sensor, such as, hall effect sensor, capacitance type sensor etc., and And exciter can be the exciter of any suitable type.Actuation lever 402, that is, lever 402 is moved to depressed position, meeting Magnet is caused to be moved relative to hall effect sensor, to activate hall effect sensor.Alternatively, sensor 408 and swash It can be any types to send out device 410, such as, for example, by the optical sensor of light emitting diode (LED) actuating, Proximity Sensor Deng.
With reference to Figure 64-65 and 71,412 and of sensor bracket that sensing mechanism 400,450 includes support sensor 408 is grasped The holder 414 for supporting exciter 410, that is, excited bracket 414.Sensor bracket 412 limits the notch for receiving sensor 408, And exciter bracket 414 limits the notch for receiving exciter 410.In sensor bracket 412 and exciter bracket 414 at least One is couple to lever 402, and is configured to respond to the actuating of lever 402 and moves.
With reference to Figure 64-77, sensor bracket 412 and exciter bracket 414 are couple to nasal tube 100, and sensor bracket At least one of 412 and exciter bracket 414 can be moved along nasal tube eyelet 102 relative to another.For example, referring to Figure 64 and 71, sensor bracket 412 and exciter bracket 414 can limit the eyelet 416,418 for slideably receiving nasal tube 100.Sensor Bracket 412 is fixed to nasal tube 100, and exciter bracket 414 can be relative to nasal tube 100 along 102 direction of nasal tube eyelet and remote It is moved from sensor bracket 412.Alternatively, exciter bracket 414 is fixed to nasal tube 100, and sensor bracket 412 can It is moved toward and away from exciter bracket 414 relative to nasal tube eyelet 102 or 412 liang of exciter bracket 414 and sensor bracket Person can toward and away from one another move relative to nasal tube eyelet 102.
With reference to Figure 66-69 and 74-77, exciter bracket 414 can be moved to neighbour along nasal tube 100 towards sensor bracket 412 Near position 412 is moved to spaced locations as shown in Figure 66,68,74 and 76, and far from sensor bracket, as Figure 67,69, Shown in 75 and 77.At least one biasing device 420 is between exciter bracket 414 and sensor bracket 412, between Spaced position pushes exciter bracket 414.For example, as shown in Figure 64,65 and 71, three biasing devices 420 are placed on excitation Between device bracket 414 and sensor bracket 412.Biasing device 420 is along nasal tube axis N far from sensor bracket 412 towards interval Open position pushes exciter bracket 414.Biasing device 420 shown in Figure 67 and 68 is coil spring.Alternatively, biasing device 420 can be any kind of spring.
With continued reference to Figure 64,65 and 71, biasing device 420 is supported on sensor bracket 412 and exciter bracket by column 422 Between 414.Specifically, for example, three columns 420 support three biasing devices 420.Biasing device 420 is located on column 422, and It is configured as remaining on column 422, between sensor bracket 412 and exciter bracket 414.Column 422 is in sensor bracket 412 Extend between exciter bracket 414, and at least one of sensor bracket 412 and exciter bracket 414 are slided along column 422 It is dynamic.For example, exciter bracket 414 limits the eyelet 420 for slideably receiving column 422.Column 422 is passed around the N alignment of nasal tube axis Sensor bracket 412 and exciter bracket 414.
With reference to Figure 64 and 65, pushing member 420 is pivotly couple to lever 402, and is couple to exciter bracket 414.Pushing member 420 is configured to respond to that lever 402 is actuated into depressed position and towards close position movement is swashed Send out device bracket 414.Lever 402 is pinned to pushing member 420 using the pin 424 for extending through lever 402 and pushing member 420 On.Pushing member 420 can surround pin 424 and be rotated relative to lever 402.
With reference to Figure 64 and 65, sleeve 426 slideably receives the nasal tube 100 close to exciter bracket 414.Exciter bracket 414 are couple to lever 420 and in response to movement of the lever 420 between grip locations and releasing position along nasal tube axis N phases Sensor 408 is moved, the position of the lever for being in grip locations and releasing position to the instruction of sensor 408.
Exciter bracket 414 circlewise extends around nasal tube axis N and when lever 420 is in grip locations and releasing position Between slided along nasal tube 100 when moving.Pushing member 420 includes receiving sleeve 426 and being pivotly pinned on casing 426 Fork 428.When pushing member 420 is moved in response to the actuating of lever 402 relative to nasal tube 100,420 movable sleeving of pushing member Cylinder 426, and sleeve 426 abuts and moves exciter bracket 414.
With reference to Figure 66 and 67, pushing member 420 and nasal tube axis N is vertically from lever 402 towards the proximal end of nasal tube 100 108 relative to lever 402 it is at an acute angle extend.When lever 402 is activated, that is, when lever 402 is moved to depressed position When, lever 402 forces proximal slide sleeve 426 of the pushing member 420 along nasal tube axis N towards nasal tube 100, and sleeve 426 The bias for resisting biasing device 420 forces exciter bracket 414 to reach the close position.In other words, overcome biasing device 420 Bias, exciter bracket 414 is moved to the close position along nasal tube axis N.When operator's trip lever 402, Exciter bracket 414 is biased into spaced locations by biasing device 420, and exciter bracket 414 is against sleeve 426 and direction The distal end 106 of nasal tube 100 pushes sleeve 426.Pushing member 420 can be pivoted towards 106 moving sleeve 426 of distal end of nasal tube 100 And lever 402 is forced to return to releasing position.
As described above, Figure 70-77 shows another embodiment for grasping sensing mechanism 450.With reference to Figure 70 and 71, grasp Sensing mechanism 450 includes being couple to lever 402 and being couple at least one of actuator bracket 414 and sensor bracket 412 Sleeve 452.For example, as shown in Figure 70, sleeve 452 is slidably engaged with nasal tube 100, and abut actuator bracket 414.
Pushing member 456 is couple to lever 402 and sleeve 452, will move from lever 402 and be transmitted to sleeve 452.Sleeve 452 have the lip 454 for receiving pushing member 456.Lever 402 limits the hole 458 for receiving lever 456.
With reference to Figure 74-77, when lever 402 is activated, that is, when lever 402 is moved into depressed position, lever 402 Force proximal slide holder 452 of the lever 456 along nasal tube axis N towards nasal tube 100.Holder 452 resists the inclined of biasing device 420 Compressing makes exciter bracket 414 reach close position.In other words, the bias for overcoming biasing device 420, to be incited somebody to action along nasal tube axis N Exciter bracket 414 is moved to the close position.When operator's trip lever 402, biasing device 420 is by exciter bracket 414 are biased into spaced locations, and exciter bracket 414 pushes branch against holder 452 and towards the distal end of nasal tube 100 106 Frame 452.The meeting pivot rotaring lever 456 of holder 452 is moved towards the distal end 106 of nasal tube 100 and lever 402 is forced to return to releasing position.
As described above, nasal tube 100 is pivotably supported handle 300 around nasal tube axis N.Lever 402 can around pivot points P It is pivotally coupled to nasal tube.Pivot points P is fixed around nasal tube axis N relative to handle.In other words, lever 402 surrounds nasal tube axis Line N rotates together with handle 300, that is, as a unit.Holder 414 is pivotably supported by nasal tube 100, and surrounds nose Pipe axis N rotates together with handle 300.
With reference to Figure 78-83, actuator 34 is couple to drive member 202 by gear-box 500.Gear-box 500 makes actuator 34 Deviate tool axis T.In other words, actuator 34 deviates tool axis T, to provide the tool of supplying liquid to 38 for holder 252 Access.Specifically, actuator 34 is deviated towards arm 10.Thus this can subtract towards the center of gravity of 10 transfer tip actuator 12 of arm The inertia of forearm 10 and ergonomics and the operation for improving end effector.The transfer of 12 center of gravity of end effector can make arm 10 The performance of upper power-torque sensor is more preferable.
Gear-box 500 includes shell 502 and may include being supported at least one of shell 502 gear 504.Gear 504 communicate with actuator 34 and drive member 202, drive member 202 are transferred to rotate from actuator 34, such as Figure 81 institutes Show.The gear-box 500 of diagram includes a gear 504, and still, gear-box 500 may include between motor and drive member 202 Any number of gear.Alternatively, actuator 34 can directly be engaged with drive member 202, and can be with drive member 202 It is axially aligned.In such an embodiment, actuator 34 can be tubular, and rinse fluid art is transmitted to drive member 202.
With reference to Figure 79, shell 502 receives actuator 34 and drive member 202.Actuator 34 includes output shaft 506, and Drive member 202 includes importation 508, wherein shell 502 receives output shaft 42 and importation 508.Actuator 34 it is defeated Shaft 42 is engaged with gear 510.For example, gear 510 is fixed to output shaft 42, or may be formed on output shaft 42.Gear 510 engage with the gear 504 in shell 502.
The importation 508 of drive shaft 42 is engaged with gear 504.For example, idler gear 512 is fixed to drive member 202 importation 508.Idler gear 512 is engaged with the gear 504 in shell 502.
With reference to Figure 80,82 and 83, shell 502 includes substrate 514 and the lid 516 being mounted in substrate 514.Substrate 514 Chamber 518 is limited, which receives gear 504 and receive the importation 508 of drive shaft 42 and the output shaft 506 of actuator 34. With reference to Figure 79-81, the gear 504 in 520 support housing 502 of pony axle.In other words, gear 504 is idle running in shell 502 , and driven by the output shaft of actuator 34 506.
Actuator 34 is typically motor.For example, motor can be electric brushless without Hall DC permanent magnet motors.It is alternative Ground, for example, actuator 34 can be brush motor, AC motors, pneumatic motor, hydraulic press etc..
With reference to Figure 84-89, it includes the first circuit 600 to cut accessory 32 and/or shield 68, for example, recognition component 600, and And nasal tube 100 includes second circuit 606.First circuit 600 and second circuit 606 are configured as communicating with one another.
For example, recognition component 600 is wireless data components 602 as shown in Figure 84-85, or as shown in Figure 86-89 Cable data element 604.Recognition component 600 is communicated with end effector 12, and accessory 32 is cut to determine.For example, recognition component 600 can be that end effector 12 identifies that the type for cutting accessory, size, manufacturer, service life use data and/or other parameters.
With reference to Figure 84-85, wireless data components 602 are such as radio frequency identification (RFID) elements, for example, chip, mark Label etc..The wireless data components 602 of Figure 84-85 are mounted on shield 68.Alternatively, wireless data components 602 can be by cutting The support of accessory 32 is cut, for example, being supported in casing.For example, wireless data components 602 may be connected to the casing of Figure 24 and 25 On 140 inner surface 160.
With reference to Figure 85, second circuit 606, for example, the wireless reader 606 of such as RFID reader, is mounted to nasal tube 100.For example, wireless reader 606 can be used as the metal wire coil of antenna.This coil can be wound with thermo-electric metal line, To be additionally used as the temperature sensor of nasal tube middle (center) bearing.
Wireless reader 606 receives signal from wireless data components 602.Wireless reader 606 is connected to arm controller 30, Signal/data are transmitted to arm controller 30 from wireless data components 602, so that the letter can be used in arm controller 30 Number/data according to cutting accessory 32 parameter manipulation end effector 12.As shown in Figure 85, signal/data can be communicated to arm Controller 30.For example, flexible circuit 614 or metal wire etc. are connected to wireless reader 606, to transmit signal/data.
With reference to Figure 86, cable data element 604 is reservoir, such as, for example, non-volatile random accesses reservoir (NVRAM).Reservoir is supported in the casing 40 of cutting accessory 32.
With reference to Figure 86 and 87, one in the fingers 64 of casing 40 supports connector 610, and connector is connected to example On such as cable data element 604 of flexible circuit, metal wire (not shown).With reference to Figure 87, nasal tube 100 supports corresponding connection Part 612, connector 612 are configured as being connected to connector 610 when cutting accessory 32 and being connected on nasal tube 100.Cut accessory 32 and/or nasal tube 100 may include alignment feature (not shown), be configured as casing 40 being aligned with nasal tube 100 so that When cutting accessory 32 and being connected on nasal tube 100, connector 610 is aligned with connector 612.
With reference to Figure 89, connector 612 is connected to arm controller 30, signal/data is transmitted from wireless data components 602 To arm controller 30, so that arm controller 30 can be used the signal/data according to the parameter manipulation end of cutting accessory 32 Portion's actuator 12.As shown in Figure 89, signal/data can be communicated to arm controller 30.For example, flexible circuit 616 or metal wire Etc. connector 612 is connected to, to transmit signal/data.
The method that cutting accessory 32 is assembled into nasal tube 100 is then executed, to identify cutting accessory 32 for arm controller 30. For example, in the embodiment for Figure 84-85 that the first circuit is mounted on shield 68, the method includes being cutting accessory first 32 provide the shield 68 of a part for covering cutting accessory 32.Specifically, the cutting tip 50 of the covering of shield 68 cutting accessory 32.
The method includes that will cut accessory 32 along nasal tube axis N to be inserted into nasal tube 100, accessory 32 and nasal tube will be cut 100 are coupled together, as described above.The method includes so that the first circuit 600 is communicated with second circuit 606.Specifically, when cutting When cutting accessory 32 and being inserted into nasal tube 100,600 close enough second circuit 606 of the first circuit, can carry out wireless communication.
After cutting accessory 32 is connected to nasal tube 100, shield 68 is removed and is placed on one side.At this point, the first circuit 600 Communication between second circuit 606 is completed, and the first circuit 600 no longer needs access to second circuit 606.
The present invention is illustratively described, and it should be understood that the term used is inherently retouched The property stated word, and not restrictive word.According to teachings above, many modifications and changes can be carried out to the present invention, and can remove Mode except specifically describing puts into practice the present invention.
1. a kind of end effector of surgical robot arm, the end effector include：
Rotary-drive member is configured to couple to actuator and limits the inner cavity for admitting fluid；
Accessory is cut, is engaged with the Rotary-drive member with capable of discharging, and is limited and the Rotary-drive member The inner cavity of the inner cavity connection；
It is drivingly connected device, is couple to the Rotary-drive member, and engage with the cutting accessory, to drive described cut Cut accessory；
Fluid transmission member is couple to the Rotary-drive member, for fluid to be transmitted to the Rotary-drive member The inner cavity；
First seal is located in the inner cavity of the Rotary-drive member, and is rotationally fixed to the rotation and drives Dynamic component and the cutting accessory, for forming sealing between the Rotary-drive member and the cutting accessory；And
Second seal between the drive connection device and the fluid transmission member and seals them, and described second Sealing element can be engaged rotatably at least one of the Rotary-drive member and the fluid transmission member, so as in institute It states during relative rotation occurs between Rotary-drive member and the fluid transmission member in the Rotary-drive member and described Sealing is formed between fluid transmission member.
2. end effector as described in claim 1, wherein the fluid transmission member can releasably drive with the rotation Dynamic component engagement.
3. end effector as claimed in claim 1 or 2, wherein the Rotary-drive member extends along its axis, and institute First seal and the second seal is stated to extend around the axis and be separated from each other along the axis.
4. end effector as claimed in claim 3, wherein the first seal can be received slidably along the axis The cutting accessory.
5. end effector as claimed in claim 3, wherein the drive connection device is placed around the axis, and institute First seal is stated along the axis between the drive connection device and the second seal.
6. the end effector as described in claim 1,2,4, one of 5, wherein the Rotary-drive member has and can discharge Ground is taken over by what the fluid transmission member was received, wherein the second seal around it is described take over take over positioned at described and Between the fluid transmission member.
7. the end effector as described in claim 1,2,4, one of 5, wherein the second seal is maintained at the fluid In transmission member.
CN201810504336.XA 2013-03-15 2014-03-15 The end effector of surgical robot arm CN108606837A (en)
US201361798729P true 2013-03-15 2013-03-15
US61/798,729 2013-03-15
CN201480022087.0A CN105208962B (en) 2013-03-15 2014-03-15 The end effector of surgical robot arm
CN201480022087.0A Division CN105208962B (en) 2013-03-15 2014-03-15 The end effector of surgical robot arm
CN108606837A true CN108606837A (en) 2018-10-02
CN201810504336.XA CN108606837A (en) 2013-03-15 2014-03-15 The end effector of surgical robot arm
EP (2) EP3513745A1 (en)
JP (2) JP6572202B2 (en)
CN (2) CN105208962B (en)
AU (2) AU2014233309B2 (en)
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