Source: https://patents.google.com/patent/CN106456166B/en
Timestamp: 2020-07-12 17:09:45
Document Index: 233791862

Matched Legal Cases: ['art 30', 'art 40', 'art 30', 'art 40', 'art 30', 'art 40', 'art 30', 'art 40', 'art 100', 'art 40', 'art 40', 'art 40', 'art 40', 'art 40', 'art 160', 'art 160', 'art 166']

CN106456166B - Surgical stapling device - Google Patents
CN106456166B
CN106456166B CN201480079696.XA CN201480079696A CN106456166B CN 106456166 B CN106456166 B CN 106456166B CN 201480079696 A CN201480079696 A CN 201480079696A CN 106456166 B CN106456166 B CN 106456166B
CN201480079696.XA
CN106456166A (en
2014-06-12 Application filed by 柯惠有限合伙公司 filed Critical 柯惠有限合伙公司
2014-06-12 Priority to PCT/CN2014/079738 priority Critical patent/WO2015188347A1/en
2017-02-22 Publication of CN106456166A publication Critical patent/CN106456166A/en
2019-11-01 Publication of CN106456166B publication Critical patent/CN106456166B/en
A kind of surgical stapling device (10) is provided, with adjustable minimum tissue space (G).Surgical stapling device (10) includes proximal handle portion (20), elongated central main part (30), distal tip part (40), nail-anvil assembly (50) and approaches component (100).Approaching component (100) includes driving screw rod (140), screw rod retainer (150) and screw rod extension (160).By using the first or second of driving screw rod (140) to opening (145,147) selectively screw rod extension (160) are fixed in driving screw rod (140), adjustable minimum tissue space (140) can be adjusted in this way.Additionally provide a kind of method of the minimum tissue space (G) of determining surgical stapling device (10).
The present disclosure generally relates to a kind of surgical stapling devices, more specifically, are related to a kind of annular surgical stapling device comprising Convenient for the structure that the tissue space being limited between the nail-anvil assembly of surgical stapling device and nail bin groupware is adjusted.
Annular surgical stapling device is commonly used in connecting tubulose tissue part using annular anastomosis.In general, cycling suturing Device includes nail-anvil assembly, and nail-anvil assembly can be relative to stapler head partial movement with grip tissue.When nail-anvil assembly is forced completely When close, nail-anvil assembly and stapler head part limit minimum tissue space.Due to tissue part to be connected thickness according to Patient and operating procedure and difference, accordingly, it is desirable to provide a kind of device of easily adjustable minimum tissue space.
The surgical stapling device that minimum tissue space can be easily adjusted has been confirmed.The device include main part, It is arranged on the distal end of main part and supports the head portion of multiple nails and the nail-anvil assembly including nail anvil.Nail anvil is with phase The mode that can be moved between retracted position and progressive position for head portion is supported.In retracted position, nail anvil and head Part limits minimum tissue space.The stitching unstrument further include extend through main part and head portion approach component.It approaches The distal end of component supports nail-anvil assembly, can be activated so that nail-anvil assembly is moved relative to head portion.It includes solid for approaching component The fixed screw rod extension on driving screw rod.Screw rod extension and driving screw rod are suitable for at least first orientation and the second orientation quilt It is fixed together.In the first orientation, approaching component has the first fixed effective length, in the second orientation, approaches component With the second fixed effective length.The first fixed effective length is greater than the second fixed effective length.In the first orientation, The first minimum tissue space is limited between nail anvil and head portion, and in the second orientation, the is limited between nail anvil and head portion Two minimum tissue spaces.
In some embodiments, at least one of the distal end of screw rod and the proximal end of screw rod extension is driven to limit first pair The central axis of opening and second pair of opening, the central axis of a pair of openings and second pair of opening is longitudinally spaced.First is split The distance between the central axis of mouth and the central axis of second pair of opening are in 0.05mm between 5mm.Drive the distal end of screw rod With another limited hole in the proximal end of screw rod extension, through-hole be configured to optionally with a pair of openings or second Opening is aligned.When screw rod extension is located at first position, through-hole is aligned with a pair of openings, when screw rod extension is located at the When two positions, through-hole is aligned with second pair of opening.The central axis that the central axis upright of a pair of openings is open in second Dui.
In some embodiments, when screw rod extension is located at first position, the size of multiple nails is 4.8mm, when screw rod prolongs When stretching part and being located at the second position, the size of multiple nails is 3.5mm.The distal end of screw rod extension includes the maintaining part for limiting multiple slots Part.One of the multiple slot is disposed in vertical position when screw rod extension is located at first position.One of the multiple slot exists Screw rod extension is disposed in horizontal position when being located at the second position.Approaching component further includes the actuating being connected on driving screw rod Knob, the activation knob can be selectively activated to move nail-anvil assembly relative to head portion.Handle portion includes Fixed handle and firing trigger.
A kind of method for determining the minimum tissue space of surgical stapling device is additionally provided, the method includes following steps It is rapid: to provide surgical stapling device, the surgical stapling device includes nail anvil retainer, limits longitudinal axis, vertical axis and trunnion axis Line limits multiple slots on the distal end of the nail anvil retainer；Longitudinal axis along surgical stapling device observes the remote of nail anvil retainer End；With confirm orientation of multiple slots relative to vertical axis and horizontal axis on the distal end of nail anvil retainer, wherein described When multiple slots are located at the first orientation relative to vertical axis and horizontal axis, the minimum tissue space is first distance, described When multiple slots are located at the second orientation relative to vertical axis and horizontal axis, the minimum tissue space is second distance.
Describe the various embodiments of presently disclosed surgical stapling device with reference to the accompanying drawings herein.Attached drawing is as follows:
Fig. 1 be eliminated in figure according to the perspective view of the surgical stapling device of the disclosure proximal handle portion shell one Half part；
Fig. 2 is the perspective view for approaching component of surgical stapling device shown in FIG. 1；
Fig. 3 is the enlarged perspective shown in Fig. 2 that drive screw rod, retainer and connecting pin for approaching component；
Fig. 4 is the exploded view of driving screw rod, retainer and connecting pin shown in Fig. 3；
Fig. 5 is distal end, the proximal end of screw rod extension and the decomposition of the pin shown in Fig. 2 for approaching component for driving screw rod Figure；
Fig. 6 is the enlarged drawing in detail section mark shown in Fig. 2 region；
Fig. 6 A is the sectional view for driving the distal end of screw rod to split along line 6A-6A shown in fig. 5；
Fig. 7 is the enlarged drawing in detail section mark shown in Fig. 2 region；
Fig. 8 A is the distal end view for approaching component in Fig. 2, and the screw rod extension in figure is located at first position；
Fig. 8 B is the distal end view shown in Fig. 2 for approaching component, and the screw rod extension in figure is rotated around its longitudinal axis 180°。
Fig. 9 A is the distal end view shown in Fig. 2 approached when component is located at the second position；With
Fig. 9 B is the distal end view shown in Fig. 2 for approaching component, and the screw rod extension in figure is rotated around its longitudinal axis 180°。
The embodiment of presently disclosed surgical stapling device is described in detail with reference to the accompanying drawings, the similar number mark in attached drawing Note indicates the identical or respective element in each figure.Throughout the specification, term " proximal end " indicates device near user's Part, term " distal end " indicate the device part farthest from user.
Fig. 1-9B shows the embodiment of presently disclosed surgical stapling device, and entirety reference number label 10 indicates. Surgical stapling device 10 includes proximal handle portion 20, elongated central main part 30 and distal tip part 40.It can be to proximal end Handle portion 20, the length of central main part 30 and/or distal tip part 40, shape and/or diameter are selected, with suitable In specifically operation purpose or operative treatment.For example, central main part 30 is flexible, in order to (not show into lumen of vessels Out).Surgical stapling device 10 further includes the nail-anvil assembly 50 for being operatively supported at the far-end of distal tip part 40, below will It is described in more detail.
A degree of description only will be carried out to surgical stapling device 10 and nail-anvil assembly 50 below, to meet abundant disclosure originally Disclosed needs in terms of these.In order to which the structure and function of exemplary surgical stitching unstrument and nail-anvil assembly is described in detail, please join Following two patents possessed according to same assignee: No. 7,857,187 (" the of U.S. Patent No. of inventor Milliman Milliman ' 187 ") and inventor Gresham etc. No. 6,945,444 (" the Gresham ' of U.S. Patent No. 444 "), these entire contents of US patents are incorporated herein by reference.
Referring to Fig.1 with 2, the proximal handle portion 20 of surgical stapling device 10 includes fixed handle 22,24 and of firing trigger Activation knob 110.Activation knob 110 engages with component 100 (Fig. 2) is approached, and approaching component 100, proximally handle portion 20 is consolidated The proximal end for determining handle 22 extends, and passes through central main part 30, reaches the distal tip part 40 of surgical stapling device 10.Approach group The distal end of part 100 supports the nail-anvil assembly 50 close to distal tip part 40.It can operate and approach component 100, relative to surgery The distal tip part 40 of stitching unstrument 10 adjusts the position of nail-anvil assembly 50 approaching position completely and fully advancing between position. As described in more detail below, the configuration for approaching component 100 determines minimum tissue space " G ", wherein minimum tissue space is to approach When component 100 approaches completely, the nail of the distal tip part 40 of the nail anvil head 52 and surgical stapling device 10 of nail-anvil assembly 50 is kept The distance between element 42.
The component 100 that approaches of surgical stapling device 10 includes activation knob 110, the rotatable set fixed to activation knob 110 Cylinder 120, the collar 130 of distal end fixed to sleeve 120, driving screw rod 140, screw rod retainer 150 and screw rod extension 160. Rotatable sleeve 120 rotatably receives and is axially fixed in the fixed handle of the proximal handle portion 20 of surgical stapling device 10 In 22.Driving screw rod 140 be received in rotatable sleeve 120, be configured for activation knob 110 rotate when relative to Rotatable 120 longitudinal movement of sleeve.Specifically, pin 132 or other joint elements are mounted in collar 130, it is received in limit It is scheduled in the screw 141 (Fig. 2) on the proximal end 142 of driving screw rod 140.The rotation of activation knob 110 causes rotatable set Cylinder 120 and collar 130 rotate.When collar 130 rotates, pin 132 causes along the movement of the screw 141 of driving screw rod 140 Driving screw rod 140 moves longitudinally through collar 130.Activation knob 110 makes to drive screw rod 140 distally along the rotation of first direction Direction movement, that is, make that screw rod 140 is driven to advance relative to collar 130, the movement of activation knob 110 in a second direction makes to drive Screw rod 140 proximally moves, that is, makes that screw rod 140 is driven to retract relative to collar 130.
Referring to Fig. 2, the proximal end 162 of screw rod extension 160 is fixed on the distal end 144 of driving screw rod 140, so that driving spiral shell The longitudinal movement of bar 140 causes the correspondingly longitudinal movement of screw rod extension 160.If will be further described in detail below, at one In embodiment, as shown, screw rod extension 160 is fixed firmly on driving screw rod 140 by pin 170.It is real in certain replacement Apply in example, screw rod extension 160 can by machanical fastener (not shown), rub or be clasped, concave-convex configuration (not shown) Or it is fixed firmly on driving screw rod 140 in any other suitable manner.
Referring to Fig. 2-4, screw rod retainer 150 is fixed between the proximal end 142 and distal end 144 of driving screw rod 140, is located at spiral shell Revolve 141 distal end of screw thread.Pin 148 is received in opening in the opening 143 and screw rod retainer 150 being formed on driving screw rod 140 In mouth 153, screw rod retainer 150 is fixed firmly on driving screw rod 140.Screw rod retainer 150 is positioned, is made It engages the motion-stopping surface (not shown) being formed in handle portion 20, to limit contracting of the driving screw rod 140 in handle portion 20 It backhauls dynamic.The position restriction nail-anvil assembly 50 of 150 engagement stop surfaces of screw rod retainer is relative to the complete of distal tip part 40 Approach position.In order to the operation of screw rod retainer 150 is described in more detail, such as please refer to patent the Milliman ' 187.
Referring to Figures 5 and 6, in one embodiment, as shown, the distal end 144 of driving screw rod 140 includes positioned opposite A pair of openings 145 and second pair of opening 147 positioned opposite.Although showing only has two pairs of openings positioned opposite, It is envisioned that driving screw rod 140 can limit two pairs or more openings positioned opposite.The first center that a pair of openings 145 limits Axis " x1 " and the second central axis " x2 " the longitudinally spaced certain distance " d " limited by second pair of opening 147 positioned opposite. In an example, the second central axis " x2 " of first central axis " x1 " of a pair of openings 145 and second pair of opening 147 The distance between " d " be 0.25mm.Optionally, first central axis " x1 " of a pair of openings 145 and second pair of opening 147 The distance between second central axis " x2 " " d " can be in 0.05mm between 5mm.Although showing the first central axis " x1 " and Two central axis " x2 " are mutually perpendicular to, it is envisioned to, the first central axis " x1 " and the second central axis " x2 " can phases For each other with any angle orientation or radial offset.
162 limited hole 161 of proximal end of screw rod extension 160, through-hole 161 are positioned to and are formed in drive in the first orientation A pair of openings 145 on the distal end 144 of dynamic screw rod 140 is aligned, and is positioned to and is formed in driving screw rod 140 in the second orientation Distal end 144 on second pair opening 147 alignment.By the way that pin 170 is received through-hole 161 on screw rod extension 160 and the One or second pair opening 145,147 in appoint a pair of openings in, screw rod extension 160 be fixed to driving screw rod 140 on.It replaces at certain It changes in embodiment, screw rod extension 160 may include a pair of openings and second pair of opening (not shown), for relative to driving spiral shell Through-hole (not shown) on bar 140 selectively orients.In another embodiment, drive screw rod 140 and screw rod extension 160 equal It may include a pair of openings and second pair of opening (not shown), selectively to orient relative to each other.In this way, screw rod Extension 160 can be on four kinds of different directional at-tachments to driving screw rod 140.
Screw rod extension 160 is selected by using a pair of openings 145 or second pair of opening 147 of driving screw rod 140 Property be fixed to driving screw rod 140 on, in this way, the effective length adjustable range d of component can will be approached.Drive screw rod 140 and spiral shell The effective length of bar extension 160, that is, the effective length for approaching component, influence nail-anvil assembly 50 when being fully retracted relative to Therefore the position of nail bin 42 determines the minimum tissue space " G " (Fig. 1) of surgical stapling device 10 (Fig. 1).
When screw rod extension 160 is pinned on driving screw rod 140 by a pair of openings 145 on driving screw rod 160, Approaching component 100 has the first fixed effective length, be limited to nail-anvil assembly 50 nail anvil 52 and surgical stapling device 10 it is remote Minimum tissue space " G " (Fig. 1) between the nail bin 42 of end head part 40 has first distance.When screw extension 160 is logical When second on screw rod 140 pair of opening 147 of overdriving is pinned on driving screw rod 140, approaching component 100 has fixed second Effective length, minimum tissue space " G " have second distance.First distance and the difference of second distance are equal to a pair of openings 145 First axle " x1 " and second pair of opening 147 the distance between second axis " x2 " " d ".In one embodiment, it selects First distance selects second distance to be suitable for nail dimension as the surgical stapling device 10 of 4.8mm to be suitable for nail dimension as 3.5mm Surgical stapling device 10.
Driving screw rod 140 and screw rod extension 160 are fixed together during assembly.The effective length for approaching component can be It is selected before assembling surgical stapling device 10, therefore, the final minimum tissue space " G " of surgical stapling device 10 can be in surgical stapling device It is selected before 10 assembling.Once having selected required minimum tissue space " G ", the through-hole 161 of screw rod extension 160 and driving One of corresponding a pair of openings 145 or second pair of opening 147 on screw rod 140 alignment, pin 170 can be located through through-hole 161 With selected a pair of openings 145 or 147.As described above, in one embodiment, through-hole 161 and drive on screw rod extension 160 A pair of openings 145 of dynamic screw rod 140 causes tissue space " G " (it is 0.25mm) to be greater than screw rod extension 160 brigadier The tissue space generated in the case that through-hole 161 is aligned with second pair of opening 147.In this way, only by prolonging screw rod The through-hole stretched on part 160 is aligned with another pair opening in a pair of openings 145 and second pair of opening 147, can be in surgical stapling The minimum tissue space " G " of surgical stapling device 10 is adjusted during the assembling of device 10.Therefore, adjusting minimum tissue space " G " should not It asks the existing structure to surgical stapling device 10 to improve, is not required to additional structure.
Referring to Fig. 7, the distal end 164 of screw rod extension 160 includes nail anvil retainer 166.Nail anvil retainer 166 includes multiple Arm 168, they are configured to be selectively engaged the nail anvil center-pole (not shown) of nail-anvil assembly 50 (Fig. 1).As shown, nail Anvil retainer 166 includes three arms 168 circlewise arranged, in the nail anvil for selectively receiving nail-anvil assembly 50 (Fig. 1) Core bar (not shown).The slot 167 being equally spaced is limited between arm 168.Nail anvil retainer 166 is being fixed to screw rod extension When on 160 distal end 164, it is driving screw 140 that the orientation of the slot 167 of nail anvil retainer 166, which can allow user with the naked eye to confirm, On a pair of openings 145 or second pair of opening 147 be aligned with the through-hole 161 on screw rod extension 160, to confirm surgery The selected minimum tissue space " G " of stitching unstrument 10, will be described in detail below.
Fig. 8 A and 8B show the distal end view for approaching component 100 of surgical stapling device (Fig. 1), wherein screw rod extension 160 are located on first position, that is, the through-hole 161 (Fig. 6) of screw rod extension 160 and a pair of openings 145 of driving screw rod 140 (Fig. 6) alignment.When the through-hole 161 on screw rod extension 160 is aligned with a pair of openings 145, the holding of screw rod extension 160 One of slot 167 on component 166 relative to approach component 100 it is in a vertical position on, vertical axes as shown in Figure 8A and 8B Shown in line " v ".Top (the figure of the vertically oriented bottom (Fig. 8 A) or holding member 166 positioned at holding member 166 of slot 167 8B)。
Fig. 9 A and 9B show the distal end view for approaching component 100 (Fig. 1) of surgical stapling device 10, wherein screw rod extends Part 160 is located on the second position, that is, second pair of opening 147 of through-hole 161 and driving screw rod 140 on screw rod extension 160 (Fig. 6) alignment.When the through-hole 161 of screw rod extension 160 is aligned with second pair of opening 147, the maintaining part of screw rod extension 160 One of slot 167 on part 166 is in a horizontal position relative to component 100 is approached, horizontal axis as shown in Figure 9A and 9B Shown in " h ".The horizontal location of slot 167 can be on 166 right side (Fig. 9 B) of left side (Fig. 9 A) or holding member of holding member 166.
It will be appreciated by persons skilled in the art that specific described and device and method shown in the drawings are non-limited in text Exemplary embodiments.It is expected that the element and feature in conjunction with shown or described in an exemplary embodiments can with without prejudice to this The other elements and feature of the open scope combine.In addition, those skilled in the art will be appreciated that the disclosure based on above-mentioned Other feature and advantage of embodiment.Therefore, the disclosure is not limited to specifically shown and described content, and appended right is wanted Except asking specified by book.For example, as described above, angular biasing and longitudinally spaced multipair opening may be provided at screw rod extension 160 and/or driving screw rod 140 on, in order to which the minimum tissue space of stitching unstrument is adjusted in bigger range of choice.Separately Outside, through-hole 161 may be provided on screw rod extension 160 and/or driving screw rod 140, can extend only partially through the component.
1. a kind of surgical stapling device, comprising:
Main part；
The distal end of main part is arranged in head portion, supports multiple nails；
Nail-anvil assembly comprising nail anvil, the nail anvil are movably supported retracted position and advance relative to head portion Between position, in the retracted position, the nail anvil and head portion limit minimum tissue space；
Component to be approached, main part and head portion are extended through, the distal end for approaching component supports nail-anvil assembly, and It can be activated so that nail-anvil assembly is moved relative to head portion；The component that approaches includes that the screw rod fixed to driving screw rod prolongs Part is stretched, the screw rod extension is suitable for driving screw rod at least first orientation together with the second directional at-tachment；Wherein, One orientation, the component that approaches have the first fixed effective length, and in the second orientation, the component that approaches has fixed the Two effective lengths；Wherein, the first fixed effective length is greater than the second fixed effective length；Wherein, in the first orientation, nail anvil The first minimum tissue space is limited between head portion, and it is minimum that second is limited in the second orientation, between nail anvil and head portion Tissue space；
Wherein, at least one of the distal end of screw rod and the proximal end of screw rod extension is driven to limit a pair of openings and second split Mouthful, the longitudinally spaced certain distance of central axis of the central axis of a pair of openings and second pair of opening；
Wherein, screw rod extension is selectively fixed to by driving screw rod by using a pair of openings or second pair of opening, The effective length for approaching component can be adjusted between the first fixed effective length and the second effective length of fixation, be approached The effective length of component influences nail-anvil assembly when nail-anvil assembly is fully retracted relative to the position of head portion, thus determines most Cell gap.
2. surgical stapling device according to claim 1, wherein in the central axis of a pair of openings and second pair of opening The distance between mandrel line is in 0.05mm between 5mm.
3. surgical stapling device according to claim 1, wherein drive in the distal end of screw rod and the proximal end of screw rod extension Another limited hole, the through-hole are configured to optionally be aligned with a pair of openings or second pair of opening.
4. surgical stapling device according to claim 3, wherein when screw rod extension is located at first position, through-hole and A pair of openings alignment, when screw rod extension is located at the second position, through-hole is aligned with second pair of opening.
5. surgical stapling device according to claim 1, wherein when screw rod extension is located at first position, the multiple nail Size be 4.8mm, when screw rod extension is located at the second position, the size of the multiple nail is 3.5mm.
6. surgical stapling device according to claim 1, wherein the central axis upright of a pair of openings is open in second Dui Central axis.
7. surgical stapling device according to claim 1, wherein the distal end of screw rod extension includes the holding for limiting multiple slots Component.
8. surgical stapling device according to claim 7, wherein one of the multiple slot is located at first in screw rod extension Vertical position is disposed in when setting.
9. surgical stapling device according to claim 8, wherein one of the multiple slot is located at second in screw rod extension Horizontal position is disposed in when setting.
10. surgical stapling device according to claim 1, wherein approaching component further includes the actuating for being connected to driving screw rod Knob, the activation knob can be selectively activated to move nail-anvil assembly relative to head portion.
11. surgical stapling device according to claim 1 further includes handle portion, wherein handle portion includes fixed handle And firing trigger.
CN201480079696.XA 2014-06-12 2014-06-12 Surgical stapling device CN106456166B (en)
PCT/CN2014/079738 WO2015188347A1 (en) 2014-06-12 2014-06-12 Surgical stapling apparatus
CN106456166A CN106456166A (en) 2017-02-22
CN106456166B true CN106456166B (en) 2019-11-01
ID=54832724
CN201480079696.XA CN106456166B (en) 2014-06-12 2014-06-12 Surgical stapling device
US (1) US10507022B2 (en)
EP (1) EP3154448B1 (en)
JP (1) JP6377775B2 (en)
CN (1) CN106456166B (en)
AU (1) AU2014397432A1 (en)
CA (1) CA2949253A1 (en)
WO (1) WO2015188347A1 (en)
CN208958213U (en) * 2017-12-26 2019-06-11 苏州天臣国际医疗科技有限公司 Handle assembly and stapler including it
JPS576805Y2 (en) * 1976-11-29 1982-02-09
JPS5375675A (en) 1976-12-15 1978-07-05 Shin Meiwa Ind Co Ltd Parking facility having parking areas arranged in multiple stages and in a plurality of rows
JPS54156224U (en) * 1978-04-24 1979-10-30
JPS5740937B2 (en) 1978-05-31 1982-08-31
JPS5785938U (en) * 1980-11-14 1982-05-27
JPS5918451B2 (en) 1980-11-17 1984-04-27 Nippon Kokan Kk
SU1049048A1 (en) * 1982-04-20 1983-10-23 Запорожский государственный институт усовершенствования врачей им.М.Горького Surgical suturing apparatus for placing anastomosis between hollow organs
JPH0671853B2 (en) 1985-01-07 1994-09-14 日本電装株式会社 Vehicle heating system
JPS61160311U (en) * 1985-03-27 1986-10-04
CA2489328C (en) 2002-06-17 2010-09-28 Tyco Healthcare Group, Lp Annular support structures
WO2004058078A1 (en) 2002-12-16 2004-07-15 Edrich Vascular Devices, Inc. Multiple stapling device for narrow blood vessels
EP1572012B1 (en) 2002-12-20 2008-08-20 Tyco Healthcare Group Lp Vacuum assisted surgical stapler
ES2527056T3 (en) 2004-10-18 2015-01-20 Covidien Lp Adhesive suture structure
CN2764311Y (en) 2004-12-23 2006-03-15 强生(上海)医疗器材有限公司 Circular hemorrhoid anastomat
CN201542673U (en) 2009-10-27 2010-08-11 苏州天臣国际医疗科技有限公司 Circular tube type binding instrument for minimally invasive surgery
2014-06-12 WO PCT/CN2014/079738 patent/WO2015188347A1/en active Application Filing
2014-06-12 JP JP2016572269A patent/JP6377775B2/en active Active
2014-06-12 CN CN201480079696.XA patent/CN106456166B/en active IP Right Grant
2014-06-12 AU AU2014397432A patent/AU2014397432A1/en not_active Abandoned
2014-06-12 EP EP14894548.8A patent/EP3154448B1/en active Active
2014-06-12 CA CA2949253A patent/CA2949253A1/en active Pending
2014-06-12 US US15/316,527 patent/US10507022B2/en active Active
EP3154448A1 (en) 2017-04-19
CN106456166A (en) 2017-02-22
AU2014397432A1 (en) 2016-12-01
EP3154448A4 (en) 2018-02-21
JP6377775B2 (en) 2018-08-22
US10507022B2 (en) 2019-12-17
CA2949253A1 (en) 2015-12-17
WO2015188347A1 (en) 2015-12-17
US20170156730A1 (en) 2017-06-08
JP2017517332A (en) 2017-06-29
EP3154448B1 (en) 2019-08-28
JP2017104755A (en) 2017-06-15 Locking articulation mechanism
JP2019533546A (en) 2019-11-21 Staple forming pocket configuration of circular surgical stapler anvil
JP6419711B2 (en) 2018-11-07 Surgical staples with integral pledget for tip deflection
JP2019069189A (en) 2019-05-09 Small diameter endoscopic stapler
JP2016198480A (en) 2016-12-01 Adapter assembly with gimbal for interconnecting electromechanical surgical devices and surgical loading units, and surgical systems thereof
US20170042544A1 (en) 2017-02-16 Pivoting anvil for surgical circular stapler