Source: https://patents.google.com/patent/CN103491854B/en
Timestamp: 2020-08-11 04:44:17
Document Index: 799163753

Matched Legal Cases: ['art) 110', 'art 600', 'arts 730', 'arts 750', 'art 600', 'arts 750', 'arts 730', 'arts 720', 'arts 750', 'arts 730', 'arts 710', 'arts 730', 'arts 830', 'arts 930', 'arts 930', 'art 1600', 'art 1104', 'art 1100', 'art 1100', 'art 100']

CN103491854B - Multicomponent cover for many cameras endoscope - Google Patents
Multicomponent cover for many cameras endoscope Download PDF
CN103491854B
CN103491854B CN201280017129.2A CN201280017129A CN103491854B CN 103491854 B CN103491854 B CN 103491854B CN 201280017129 A CN201280017129 A CN 201280017129A CN 103491854 B CN103491854 B CN 103491854B
CN201280017129.2A
CN103491854A (en
摩西·列维
阿姆拉姆·爱森费尔德
戈兰·萨尔曼
2011-02-07 Priority to US61/439,948 priority
2012-02-06 Application filed by 恩多卓斯创新中心有限公司 filed Critical 恩多卓斯创新中心有限公司
2014-01-01 Publication of CN103491854A publication Critical patent/CN103491854A/en
2016-08-24 Publication of CN103491854B publication Critical patent/CN103491854B/en
There is provided herein the tip portion of many cameras endoscope, described tip portion includes: forward sight camera and the most discrete illumination apparatus, and the most discrete described illumination apparatus substantially illuminates the visual field (FOV) of described forward sight camera；Right side regards the discrete illumination apparatus of camera and the right, and the discrete illumination apparatus in described the right regards the FOV of camera substantially to illuminate described right side；Left side regards the discrete illumination apparatus of camera and the left side, and the discrete illumination apparatus in the described left side substantially illuminates described left side and regards the FOV of camera；With multi-part cover, it is configured to cover and seal described tip portion so that substantially stop fluid to enter the interior section of described tip portion from the surrounding of described endoscope.
Multicomponent cover for many cameras endoscope
The embodiment of present disclosure relates to the polynary of the tip portion of a kind of many cameras endoscope Part cover.
Endoscope has been obtained for huge accreditation in medical circle, because they provide one for Little patient trauma carries out the means of program, enables the physician to observe the Interior Solutions of patient simultaneously Cut open.For many years, according to concrete application, many endoscopies have been developed and have classified, such as cystoscope Inspection, colonoscopy, laparoscopy, endoscope for upper digestive tract inspection and other.Endoscope The natural orifice that can be inserted into health or the otch being inserted through in skin.
Endoscope is typically the shaft of elongated tubulose, hard or flexibility, has at its far-end Video cameras or fiber lens assembly.Described shaft is connected with handle, and handle sometimes includes using In the eyepiece directly observed.Observing generally also can be via external screen.Various surgical technique and tools can be by The service aisle being inserted through in endoscope, for carrying out different surgical procedures.
The endoscope being being used at present such as colonoscope, is generally of for observing internal organs such as colon Above camera, illumination apparatus, fluid injector, fluid injector is used for cleaning camera lens, and The most also cleaning illumination apparatus and the service aisle of the insertion for surgical technique and tools, such as removing The polyp found in colon.Often, endoscope also has and is inserted into body cavity therein for cleaning them The fluid injector (" injection ") of such as colon.The illumination apparatus commonly used is the light that will remotely produce Transmit the optical fiber to endoscope tip part.Light emitting diode (LED) for the purposes of illumination is also Known.
Is their the limited visual field and theirs is all required in the shortcoming of such endoscope The complicated packaging of element, such as electronic equipment and optical fiber carry together with element in undersized with fluid In sight glass tip portion.The other problems of existing endoscope is the group of the difficulty of soft electronic unit Dress, they the most assembled processes itself are damaged.Another problem of existing endoscope is that part is outstanding It is the complicated sealing of the part in the tip portion of endoscope.The sealing of tip portion remains Challenge, especially due to operate in the complex environment of endoscope.
Therefore, to allowing the wider visual field and also realizing all required units in tip portion in this area Packing efficiently, assemble and sealing of part, maintains endoscope's such as colonoscope of their function simultaneously There is demand.
That the previous example of correlation technique and associated limitation are intended to be illustrative rather than row He.Those skilled in the art after reading description and research accompanying drawing, other of correlation technique Limitation will become obvious.
Describe and illustrate embodiments below and its each side is exemplary together with being intended that in scope With illustrative, be not restrictive system, tool and method.
According to some embodiments, it is provided that the tip portion of many cameras endoscope, described top ends Point include: point to camera above and associated with it discrete before illumination apparatus；One or more Refer to sideways camera and one or more discrete side illumination device associated with it；And multi-part Cover, its interior section being configured to cover tip portion.
According to some embodiments, it is provided that the tip portion of many cameras endoscope, described top ends Dividing and include: forward sight camera and the most discrete illumination apparatus, the most discrete described illumination apparatus is substantially Illuminate the visual field (FOV) of forward sight camera；Right side regards the discrete illumination apparatus of camera and the right, institute State the discrete illumination apparatus in the right and substantially illuminate the right side FOV regarding camera；Left side regards camera and a left side The illumination apparatus that limit is discrete, the discrete illumination apparatus in the described left side substantially illuminates left side and regards camera FOV；With multi-part cover, it is configured to cover and apical end part so that substantially stop stream Body enters the interior section of tip portion from the surrounding of endoscope.
According to some embodiments, multi-part cover includes: above one side parts, and it is configured to cover The previous section of tip portion and lateral parts；And side members, it is configured to cover tip portion Another lateral parts, wherein above one side parts and side members are configured to adjacent to cover top End portion.Above one side parts can be configured to cover the previous section of tip portion and right side face Point, and wherein side members is configured to cover the left surface part of tip portion.Above one side parts Can be configured to cover previous section and the left surface part of tip portion, and wherein side members is joined It is set to cover the right flank part of tip portion.
According to some embodiments, multi-part cover includes: front member, and it is configured to before covering Part；Right flank parts, its right flank part being configured to cover tip portion；With left side face Part, its left surface part being configured to cover tip portion, wherein front member, right flank parts It is configured to adjacent to cover tip portion with left surface parts.
According to some embodiments, multi-part cover includes: critical piece, and it is configured to cover top The major part of part；With detachable window member, it is configured to cover the window being positioned on critical piece Mouth opening, wherein detachable window member is configured to permit when not dismantling critical piece close to top The interior section of end portion.
According to some embodiments, multi-part cover includes: distal component, and it is configured to cover top The distal portions of part；And proximal piece, its proximal part being configured to cover tip portion, its Middle distal component and proximal piece are configured to adjacent to cover tip portion.According to some embodiment party Case, distal component can have with sidewall and the shape of the cylinder of front surface, and front surface is configured to Cover the previous section of tip portion, and proximal piece has the shape of the cylinder with sidewall.According to Some embodiments, the distal portions that distal component may be configured to from tip portion is assembled in top On the interior section of part, and wherein proximal piece is configured to be grouped from the close end of tip portion It is contained on the interior section of tip portion so that distal component and proximal piece are configured to along even (it can be substantially perpendicular to the length of tip portion, such as, photographs along two sides in wiring The dotted line extended between machine) connect each other so that assemble and right side will not be regarded camera/left side regarding photography Machine or its optical module cause damage.
Multi-part cover also includes the optical window of one or more in following: the most discrete photograph The discrete illumination apparatus of illumination apparatus that funerary objects, the right are discrete and the left side.
Multi-part cover could be included for following in the opening of one or more: forward sight camera and / or its optical module, right side regard camera and/or its optical module and left side regard camera and/or its Optical module.
Multi-part cover can also include fluid guide part (fluid channeling component), stream Body guide member is suitable for guiding fluid to carry out gas injection and/or flushing.Fluid guide part can be whole Body component, this global facility includes: previous fluid passage, and it leads at overall fluid guide member The front openings of far-end, for cleaning one or more front optical element of tip portion；And side Fluid passage, face, it leads to left side opening in overall fluid guide member and leads to right openings, using Side optical element in cleaning tip portion.Overall fluid guide member also includes service aisle, work The insertion of medical instrument it is suitable for as passage.Overall fluid guide member also includes jet fluid passage, Jet fluid passage is suitable for cleaning the body cavity that endoscope is inserted into.
According to some embodiments, multi-part cover could be included for following in one or more Opening: above I/I syringe and/or its nozzle；Side I/I syringe and/or its nozzle；Jet fluid Passage；And service aisle.
According to some embodiments, forward sight camera, the most discrete illumination apparatus, right side regard camera, The discrete illumination apparatus in the right, left side are configured to be arranged on list depending on the illumination apparatus that camera and the left side are discrete On one electronic circuit board.
According to some embodiments, tip portion has the diameter of about 17mm or less.According to some Embodiment, tip portion has the diameter of about 12mm or less.According to some embodiments, top End portion has the diameter of about 10mm or less.According to some embodiments, tip portion has about The diameter of 7mm or less.
According to some embodiments, it is provided that a kind of for the tip portion in many cameras endoscope The method assembling multi-part cover, the method includes: one or more optical windows are arranged on multi-part On the Part I of cover；The Part I of the interior section of tip portion is installed；By one or more light Learn window to be arranged on the Part II of multi-part cover；With the interior section installing tip portion second Part.
According to some embodiments, the Part I of multi-part cover includes: above one side parts, its quilt It is configured to cover previous section and the lateral parts of tip portion；And the Part II bag of multi-part cover Include: side members, its another lateral parts being configured to cover tip portion, wherein above one Side members and side members are configured to adjacent to cover tip portion.Above one side parts can be joined It is set to cover previous section and the right flank part of tip portion, and wherein side members is configured to cover The left surface part of caping end portion.Above one side parts can be configured to cover before tip portion Part and left surface part, and wherein side members is configured to cover the right side face of tip portion Point.
According to some embodiments, the Part I of multi-part cover includes front member, this front member It is configured to cover previous section；Wherein the Part II of multi-part cover includes right flank parts, this right side Side members is configured to cover the right flank part of tip portion；The wherein Part III of multi-part cover Including left surface parts, these left surface parts are configured to cover the left surface part of tip portion；And Wherein front member, right flank parts and left surface parts are configured to adjacent to cover tip portion.
According to some embodiments, the Part I of multi-part cover includes critical piece, this critical piece It is configured to cover the major part of tip portion；And the Part II of wherein multi-part cover includes detachably Window member, this detachable window member is configured to cover the window opening being positioned on critical piece, Wherein detachable window member is configured to permit when not dismantling critical piece close to tip portion Interior section.
According to some embodiments, the Part I of multi-part cover includes distal component, this distal component It is configured to cover the distal portions of tip portion；And the Part II of wherein multi-part cover includes closely End pieces, this proximal piece be configured to cover tip portion proximal part, wherein distal component and Proximal piece is configured to adjacent to cover tip portion.Distal component can have with sidewall and front table The shape of the cylinder in face, this front surface is configured to cover the previous section of tip portion, and close end Part has the shape of the cylinder with sidewall.
According to some embodiments, any one the included passage in the part (parts) of multi-part cover / cavity, such as, along one or more edges of part (parts), outside part (parts) In portion and/or interior section.Passage/cavity may be configured to accommodate one or more binding agents, example Such as glue, it is used for being connected to each other and therefore allow the better seal of tip shroud by part (parts).
According to some embodiments, there is provided herein endoscope, it includes top ends as described in this Point.According to some embodiments, there is provided herein colonoscope, it includes top ends as described in this Point.
According to some embodiments, there is provided herein many cameras endoscope, such as colonoscope, its bag Include tip portion disclosed herein.According to some embodiments, the top of endoscope's (such as colonoscope) Part is the extreme distal end of endoscope, and it makes endoscope terminate.Tip portion can be via being connected to it Sweep rotate.
The present invention and the more details of its embodiment and feature describing and can find in accompanying drawing.
Unless otherwise defined, all technical terms the most used herein and scientific terminology have and this The meaning equivalent in meaning that bright those of ordinary skill in the field are generally understood that.Although be described herein Those methods method similar or equivalent with material and material can be used in practice or the survey of the present invention Examination, but it is described below suitable method and material.In the case of a conflict, including the patent of definition Description will account for leading.It addition, material, method and example are merely illustrative and are not intended to be limit Property processed.
Exemplary embodiment is set forth in the accompanying drawing of reference.In order to the convenience presented is with clear, In accompanying drawing, the parts of display and the size of feature usually select, and are not necessarily to scale aobvious Show.It is intended that embodiment disclosed herein and accompanying drawing to illustrate rather than limit. Accompanying drawing listed below:
What Fig. 1 a schematically described the exemplary embodiment according to the present invention has multi-part top The tip portion of the endoscope of end shield (showing with exploded view) (includes carrying camera and light source Electronic circuit board, and fluid guide part) isometric view；
Fig. 1 b schematically describes the tool of Fig. 1 a of some the exemplary embodiments according to the present invention There is the isometric view of the tip portion of the multi-part tip shroud of assembling；
What Fig. 2 schematically described the exemplary embodiment according to the present invention has multi-part top The tip portion of the endoscope of cover (showing with exploded view) (includes the electricity carrying camera and light source Sub-circuit board, and fluid guide part) isometric view；
Fig. 3 schematically describes the multi-part tip shroud of the exemplary embodiment according to the present invention Exploded view；
What Fig. 4 a schematically described the exemplary embodiment according to the present invention has multi-part top The tip portion of the endoscope of end shield (showing with exploded view) (includes carrying camera and light source Electronic circuit board, and fluid guide part) isometric view；
It is many that Fig. 4 b schematically describes having of Fig. 4 a of the exemplary embodiment according to the present invention The isometric view of the tip portion of parts tip shroud (partly with exploded view)；With
Fig. 4 c schematically describes having of Fig. 4 a-b of the exemplary embodiment according to the present invention The isometric view of the tip portion of the multi-part tip shroud assembled.
Although already discussed above many exemplary aspects and embodiment, but the skill of this area Art personnel are it will be recognized that they some is revised, arranges, increased and sub-portfolio.Therefore, it is intended that below Appended claim and the claim being introduced below should be interpreted as including all such modifications, row Row, increase and sub-portfolio are as the same with in scope in the true spirit at them.
In the description of the present application and claim, each word " comprises " " including " and " having " And their form, it is not necessary to it is limited to the member in the list being associated with institute predicate.
Referring now to Fig. 1 a, Fig. 1 a, the exemplary embodiment according to the present invention is schematically described The tip portion of the endoscope with multi-part tip shroud (showing with exploded view) (include carrying and take the photograph Shadow machine and the electronic circuit board of light source, and fluid guide part) isometric view, and with reference to Fig. 1 b, What Fig. 1 b schematically described Fig. 1 a of some the exemplary embodiments according to the present invention has group The isometric view of the tip portion of the multi-part tip shroud of dress.
Tip portion 100 generally comprises interior section (inner part) 110, and it includes electronic equipment (example Such as camera, circuit board such as electronic circuit board 400, light source such as LED etc.), fluid lead to Road (such as fluid guide part 600) and multicomponent tip shroud 700.Multicomponent tip shroud 700 quilt It is designed to coordinate on the interior section of tip portion 100, and the internally internal part in part Protection is provided.According to this embodiment, multicomponent tip shroud 700 includes three parts: front member 710, its previous section being configured to cover tip portion；Right flank parts 730, it is configured to Cover the right flank part of tip portion；With left surface parts 750, it is configured to cover top ends The left surface part divided；Wherein front member, right flank parts and left surface parts are configured so that They substantially to cover the mode of all interior sections of tip portion adjacent each other to cover top Part.
Front member 710 comprises: hole 736, its be configured to forward sight camera 116 before light Learn assembly 236 to align (and accommodating this front optical assembly 236)；LED240a, 240b and 240c Optical window 242a, 242b and 242c；The distal openings 340 of service aisle (not shown)；Spray The distal openings 344 of jet body passage 644；With flushing and gas injection (irrigation and insufflation) (I/I) syringe 346, it has nozzle 348 (aliging with the opening 664 of fluid guide part 600).
Left surface parts 750 comprise: hole 756b, and it is configured to and the side of side-looking camera 220b Face optical module 256b aligns (and accommodating this side optical module 256b)；At optical module 256b Both sides on optical window 252a and 252b of LED250a and 250b；Side I/I syringe 266b, its side I/I opening 666b being suitable for fluidic component 600 align.At Fig. 1 a and figure 1b also sees that side I/I syringe 266a (not shown) and nozzle 267a and 267b of 266b.
Right flank parts 730 comprise the element similar to left surface parts 720 (not shown).
Left surface parts 750 and right flank parts 730 be individually the most substantially semicircular cylinder (do not have top and Bottom) shape.
Front member 710 inherently cup-shape, it extends perpendicularly into bottom of cups (its Can also be referred to as before cup) and from prominent two the relative arms 712 and 714 of cup brim. After assembling Tip hood member, can first assemble front member 710, and then assemble side members, The long edge making them encounters one another to guarantee to seal on two side faces on arm 712 and 714 (Fig. 1 b).Binding agent such as glue, can be added to such as cavity 716 (along parts 710 The exterior section at edge), 718 (along the internal edges of parts 730) and 720 are (along parts The internal edge of 750) in, to realize fully sealing of tip portion 100.
Multicomponent tip shroud according to embodiment of the present invention, such as multicomponent tip shroud 700 or appoint What his multicomponent tip shroud disclosed herein, solves and is packaged in by all required parts when attempting In the little internal volume of endoscope tip and cover and this area exists when sealing these parts weight Big problem.The tip shroud of rule cup shape is used for the standard top with camera before only one. But, when the tip shroud of standard cup shape is used to cover many cameras top, prominent top, inside The camera lens of end element, such as side optical module or miscellaneous part, cover on them slide above described Shi Changchang is damaged.Use multicomponent tip shroud can solve this problem.It addition, multicomponent tip shroud Its hole/opening/window is accurately aligned with they on the inner member of corresponding top by help Appropriate position.This is nearly impossible to use one-piece shell.And, individually seal multicomponent top The integral sealing on each improvement top in the element of end shield, this be due to at one-piece shell such as cup The limited close of element same in shape cover is compared, and has better access to each element (such as optical window Mouthful).Each in the element of multicomponent tip shroud individually seals and (and optionally checks satisfactory Sealing) can assemble cover before be performed.This can also improve the sealing on top.
According to embodiment of the present invention, the tip portion 100 of endoscope includes that at least one forward sight is taken the photograph Shadow machine and at least one side-looking camera.Tip portion 100 is can be turned by flexible axle (not shown) Moving, described flexible axle can also be referred to as sweep, such as vertebra mechanism (vertebra mechanism)。
In some embodiments, forward sight camera and/or any side-looking camera include that Charged Couple fills Put (CCD) or complementary metal oxide semiconductors (CMOS) (CMOS) imageing sensor.
It should be noted that term " endoscope " can refer to especially according to some embodiment party referred in this The colonoscope of case, but it is not limited only to colonoscope.Term " endoscope " may refer to for checking body The hollow organ of body or any instrument of the inside of cavity.
Tip portion 100 can include the front optical assembly 236 of forward sight camera 116.Forward sight is taken the photograph The optical axis of shadow machine 116 is that the long size substantially along endoscope orients.But, because forward sight is taken the photograph Shadow machine 116 is typically wide-angle camera, so its visual field (FOV) can include becoming big with its optical axis The direction of observation of angle.It should be noted that the number of the such as LED of the light source for illuminating FOV is permissible Change (such as, 1-5 LED can be used on the front surface of tip portion 100).Work is logical The distal opening 340 of road (not shown) also is located on the front surface of tip portion 100 so that pass through Service aisle pipe, and inserted by the service aisle in the tip portion 100 of endoscope and launch super The surgical technique and tools going out front surface can be observed by forward sight camera 116.
The distal openings 344 of jet fluid passage also is located on the front surface of tip portion 100.Injection The distal openings 344 of fluid passage can be used to provide for the high-pressure injection of fluid such as water or saline, For cleaning the wall of body cavity.
There is flushing and gas injection (I/I) syringe 346 of the nozzle 348 of alignment front optical assembly 236, It also is located on the front surface of tip portion 100.I/I syringe 346 may be used for injecting fluid (liquid And/or gas) with from the front optical assembly 236 contamination with wash thing of forward sight camera, such as blood, excrement Just with other chips.Selectively, same syringe is used for cleaning front optical assembly 236 and In optical window 242a, 242b and 242c one or two or whole.I/I syringe 346 can pass through May be used for cleaning body cavity and/or fluid such as water and/or gas to body cavity inflation feed.
Side camera (side-looking camera) the element 256b of side-looking camera 220b and be used for photographing Optical window 252a and 252b of LED 250a and 250b of machine 220b is in tip portion 100 It is visible on left surface.Second side-looking camera 220a, be not explicitly shown in Fig. 1 a but can be with Camera 220b is similar.The optical axis of side-looking camera 220a is substantially oriented orthogonal to endoscope Long size.The optical axis of side-looking camera 220b is substantially oriented orthogonal to the long chi of endoscope Very little.But, because side-looking camera 220a and 220b is typically wide-angle camera, so its visual field The direction of observation becoming wide-angle with its optical axis can be included.
There is the side I/I syringe 266b of the nozzle 267b of alignment side optical module 256b, can For injecting fluid with from the side optical module 256b contamination with wash thing of side-looking camera, such as Blood, feces and other chips.Fluid can include the gas being used to body cavity inflation.Optional Select ground, same syringe be used for cleaning side optical module 256b and optical window 252a and/or 252b.It should be noted that, according to some embodiments, top can be included in more than one window on side Mouth and LED, and more than one window and LED (such as, 15 windows on side in above Mouth and 2 LED).The comparable conformation existence of I/I syringe and nozzle is used for cleaning optical module 256a With optical window 252a' and the 252b ' (not shown) on other sides being positioned at top 100.I/I notes Emitter is configured to clean all or part of of these window/LED.Side I/I syringe 346 Can be fed from same passage with 266.
It should be noted that sidewall 362 has the form on the most flat surface, this help will be from side I/I The cleaning fluid that syringe 266a (not shown) and 266b inject guides to side optical module 256b With optical window 252a and/or 252b.Lacking such plane can cause cleaning fluid to be peeped along interior The curved surface of the tip portion 100 of mirror drips, and does not carry out required cleaning action.
It should be noted that although only one side-looking camera is seen in Fig. 1 a and Fig. 1 b, but preferably Ground at least two side-looking camera can be located in tip portion 100.When two side-looking cameras are made Used time, side-looking camera is preferably assembled into so that their visual field is the most relative.So And, various configuration sum destination may be in the general scope of the present invention depending on camera.
According to some embodiments, for carrying the circuit of electronic unit such as camera and/or LED Plate, can be flexible PCB, and it can use less space and stay more volume to additional Necessary feature.The flexible of plate increases another bulk that may be used for positioning parts.
The use of the flexible PCB according to embodiment of the present invention can be significantly increased to its electricity The reliability that module connects, because not having line to connect for parts.It addition, according to some embodiment party Case, it can be that machinery is with automatically that parts assemble.
The use of the flexible PCB according to embodiment of the present invention can also allow at camera head During portion (top of endoscope) assembles, parts (part) move and operability, maintain simultaneously High-caliber reliability.The use of the circuit board according to embodiment of the present invention can also simplify (top End) assembling process.
According to some embodiments, flexible PCB can be connected to control list via many electric wires Unit；This cable can be soldered onboard in the position specified, and discharges extra in tip assembly The motility that space and increase cable enter.It is main that many electric wires are directly assembled to electricity parts Challenge, its by use be mitigated according to the flexible board of embodiment of the present invention.
Referring now to Fig. 2, it schematically describes the tool of the exemplary embodiment according to the present invention The tip portion having the endoscope of multi-part tip shroud (showing with exploded view) (includes carrying camera With the electronic circuit board of light source, and fluid guide part) isometric view.Tip portion 200 is led to Often including interior section 210, it can be with interior section 110 phase of the tip portion 100 of Fig. 1 a-b Seemingly；With multicomponent tip shroud 800.Multicomponent tip shroud 800 is designed to coordinate in tip portion 200 Interior section on, and internally the internal part in part provides protection.According to this embodiment, Multicomponent tip shroud 800 includes, critical piece 830, its big portion being configured to cover tip portion Point；With detachable window member 850, it is configured to cover the window being positioned on critical piece 830 Opening 860 so that detachable window member 850 is configured to permit is not dismantling critical piece 830 Time close to the interior section 210 of tip portion 200.This can allow fixing or change interior section 210 Parts in one (such as LED, optical element or any other element), and do not dismantle master Want parts 830 and damage packaging and the sealing of tip portion 200.
Critical piece 830 inherently cup-shape, has and is configured to cover tip portion 200 The previous section of front surface and be configured to cover the cup brim of the side of tip portion 200.
Critical piece 830 can also include that those of the multi-part cover 700 to Fig. 1 a and Fig. 1 b are similar Before and the hole of side, opening, window and surface.
Referring now to Fig. 3, Fig. 3, the exemplary embodiment according to the present invention is schematically described The exploded view of multi-part tip shroud.Multicomponent tip shroud 900 is designed to coordinate in tip portion On interior section (not shown), and internally the internal part in part provides protection.Real according to this Executing scheme, multicomponent tip shroud 900 includes: above one side parts 930, and it is configured to cover The previous section of tip portion and lateral parts；With side members 950, it is configured to cover top The another side part of part, wherein above one side parts 930 and side members 950 are configured to Adjacent to cover tip portion.
Referring now to Fig. 4 a-c.Fig. 4 a schematically describes the exemplary embodiment according to the present invention The tip portion of the endoscope with multi-part tip shroud (showing with exploded view) (include carrying and take the photograph Shadow machine and the electronic circuit board of light source, electronic circuit board binding, fluid guide part) equidistant View).Fig. 4 b schematically describes having of Fig. 4 a of the exemplary embodiment according to the present invention The isometric view of the tip portion of multi-part tip shroud (partly with exploded view).Fig. 4 c is schematically The top with multi-part tip shroud of Fig. 4 a-b of the exemplary embodiment according to the present invention is described The isometric view of end portion.
Tip portion 1000 generally includes: interior section 1100, and it includes that electronic equipment is (such as photography Mechanical, electrical road plate, LED etc.), fluid passage (such as fluid guide part 1600) and multicomponent top End shield 1010.Multicomponent tip shroud 1010 is designed to coordinate the interior section in tip portion 1000 On, and internally the internal part in part provides protection.According to this embodiment, multicomponent top End shield 1010 includes two parts: distal component 1050, it is configured to cover the remote of tip portion End portion；With proximal piece 1030, its proximal part being configured to cover tip portion, Qi Zhongyuan End pieces and proximal piece are configured to adjacent to cover tip portion.Distal component 1050 has band The shape of the cylinder of sidewall 1052 and front surface 1054, front surface 1054 is had to be configured to cover top The previous section 1102 of the interior section 1100 of end portion 1000, and proximal piece 1030 has band Sidewall 1032 does not has the shape of the cylinder of top or bottom, and it is configured to cover tip portion 1000 The proximal part 1104 of interior section 1100.
Distal component 1050 is included in the hole 1056 on its front surface 1054, and it is configured to and forward sight The front optical assembly 1236 of camera 1116 aligns；The light of LED 1240a, 1240b and 1240c Learn window 1242a, 1242b and 1242c；The distal openings 1340 of service aisle (not shown)；Spray The distal openings 1344 of jet body passage 1644；With I/I syringe 1346 (with fluid guide part The opening 1664 of 1600 aligns).
Distal component 1050 is additionally included in the optical window 1252a of the LED 1250a on its sidewall 1052 Another optical window (not shown) with another LED on the opposite side of sidewall 1052.
The recess 1756 ' that distal component 1050 is additionally included on the edge of its sidewall 1052 is (substantially Shape in half bore), it is configured to accommodate (the limit together with the sidewall 1032 of proximal piece 1030 The optical module 1256b of recess 1756 ") the side-looking camera 1220b on edge.At sidewall 1052 Opposite side on similar recess (not shown) can be had to accommodate (together with proximal piece 1030 Another recess on the edge of sidewall 1032) internally positioned part 1100 another one side (not Display) on the optical module 1256a of side-looking camera 1220a.
Proximal piece 1030 is included in the optical window 1252b of the LED1250b on its sidewall 1032 Another optical window 1252a with another LED (not shown) on the opposite side of sidewall 1032.
The recess 1756' ' that proximal piece 1030 is additionally included on the edge of its sidewall 1032 is (substantially Shape in half bore), it is configured to accommodate (the limit together with the sidewall 1052 of distal component 1050 Recess 1756 ' on edge) the optical module 1256b of side-looking camera 220b.At sidewall 1032 Similar recess 1756 can be had on opposite side " to accommodate (sidewall together with proximal piece 1050 Another recess on the edge of 1032) the another one side (not shown) of internally positioned part 1100 On the optical module 1256a of side-looking camera 1220a.
Proximal piece 1030 also includes side I/I syringe 1266b, and it is suitable for and side I/I opening 1666b aligns.
Other parts of the interior section 1100 of tip portion 1000 generally can be with the top of Fig. 1 a_b The interior section 1100 of part 100 is similar.
The method that tip portion 1000 is assembled on interior section 1100 is included from tip portion The distal portions of 1000 assembles distal component 1050；Assemble near from the proximal part of tip portion 1000 End pieces 1030；With by distal component 1050 and proximal piece 1030 along their edge (line 1500) connect so that do not have Tip hood member to slide on the optical module of side-looking camera.
Although the specific embodiment already in connection with the present invention describes the present invention, it is apparent that, permitted Many alternatives, modifications and variations form will be apparent from for a person skilled in the art.Therefore, Intention includes falling all these alternatives in the spirit and broad scope of appended claim, repaiies Change and version.The all publications, patents and patent applications mentioned in this specification is passed through at this Quote and be integrally incorporated in description, reach such as each single publication, patent or patent application Indicated the same degree being incorporated herein by especially and individually.It addition, the application draws With or admit any list of references and be not necessarily to be construed as recognizing that such list of references is as the present invention's Prior art can get.
1. the tip portion of a Zhong Duo camera endoscope, described tip portion includes:
Fluid guide part；
Electronic equipment part, comprising:
Forward sight camera and the most discrete illumination apparatus, the most discrete described illumination apparatus is substantially Illuminate the visual field of described forward sight camera；
Right side regards the discrete illumination apparatus of camera and the right, the illumination apparatus essence that described the right is discrete On illuminate described right side regard camera the visual field；
Left side regards the discrete illumination apparatus of camera and the left side, the illumination apparatus essence that the described left side is discrete On illuminate described left side regard camera the visual field；With
Multi-part cover, it is configured to cover and seal described electronic equipment part and described fluid guides Parts so that substantially stop described electronic equipment part and described fluid guide part physically to expose In fluid, wherein said multi-part cover includes:
Distal component, it is configured to cover described electronic equipment part and described fluid guide The distal portions of part, wherein said distal component includes the sidewall of bending, the sidewall of wherein said bending Including being configured to accommodate the recess of the part that described left side regards camera regarding camera or described right side； With
Proximal piece, it is configured to cover described electronic equipment part and described fluid guide The proximal part of part, wherein said distal component and described proximal piece are configured to adjacent to cover institute Stating electronic equipment part and described fluid guide part, wherein said proximal piece includes the side of bending Wall, the sidewall of wherein said bending includes that being configured to accommodate described left side regards depending on camera or described right side The recess of a part for camera, and the described recess of wherein said proximal piece adjoins described far-end The described recess of parts.
Tip portion the most according to claim 1, wherein said distal component has with sidewall With the shape of the cylinder of front surface, wherein said front surface is configured to cover described electronic equipment part With the previous section of described fluid guide part, and described proximal piece has the cylinder with sidewall Shape.
Tip portion the most according to claim 1, wherein said multi-part cover also includes for institute State in the discrete illumination apparatus of the discrete illumination apparatus in the most discrete illumination apparatus, described the right and the described left side Each of optical window.
Tip portion the most according to claim 1, wherein said multi-part cover also includes for institute State forward sight camera, described right side depending on camera and described left side depending on opening each of in camera Mouthful.
Tip portion the most according to claim 1, wherein said fluid guide part is suitable for drawing Baffle is to carry out gas injection and/or flushing.
Tip portion the most according to claim 1, wherein said fluid guide part is entirety portion Part, described global facility includes: previous fluid passage, and it leads to the far-end at described global facility Front openings, for cleaning one or more front optical element of described tip portion；With institute State the left side opening in global facility or right openings, for cleaning the side optics of described tip portion Element.
Tip portion the most according to claim 1, wherein said fluid guide part also includes work Making passage, described service aisle is adapted for insertion into medical instrument.
Tip portion the most according to claim 1, wherein said multi-part cover also include for The opening of one or more in Xia:
Above rinse and gas injection syringe；
Above nozzle；
Side is rinsed and gas injection syringe；
Side nozzle；
Jet fluid passage；With
Service aisle.
Tip portion the most according to claim 1, wherein said forward sight camera, described before Discrete illumination apparatus, described right side regard depending on the discrete illumination apparatus in camera, described the right, described left side The discrete illumination apparatus of camera and the described left side is configured to be mounted on single electronic circuit board.
Tip portion the most according to claim 1, has the diameter of 17mm or less.
11. tip portion according to claim 1, wherein said distal component is for having bending Sidewall and the shape of cylinder of front surface, wherein said front surface is configured to cover described electronics and sets For parts and the previous section of described fluid guide part, and described proximal piece is to have the side of bending Wall does not has the shape of the cylinder of top or bottom.
12. tip portion according to claim 1, wherein said distal component includes front surface And wherein said front surface has the anterior optics component alignment being configured to described forward sight camera Hole, the window being configured to align with above the most discrete described illumination apparatus, be configured to and service aisle The distal openings of register, it is configured to the distal openings of register with jet fluid passage and joins It is set to the distal openings of register with syringe.
13. tip portion according to claim 1, the described bending of wherein said distal component Sidewall include that the discrete illumination apparatus of illumination apparatus discrete with the described left side respectively and described the right is alignd Optical window.
14. tip portion according to claim 1, the described bending of wherein said proximal piece Sidewall include in the discrete illumination apparatus of the illumination apparatus discrete with described the right and the described left side at least The optical window of one alignment.
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