CN102895011B - Staple bin assembly and stapler using same - Google Patents

Staple bin assembly and stapler using same Download PDF

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Publication number
CN102895011B
CN102895011B CN 201210441226 CN201210441226A CN102895011B CN 102895011 B CN102895011 B CN 102895011B CN 201210441226 CN201210441226 CN 201210441226 CN 201210441226 A CN201210441226 A CN 201210441226A CN 102895011 B CN102895011 B CN 102895011B
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CN
China
Prior art keywords
staple
slider
cutter
drive
cartridge
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CN 201210441226
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Chinese (zh)
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CN102895011A (en
Inventor
李学军
刘青
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北京中法派尔特医疗设备有限公司
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Priority to CN 201210441226 priority Critical patent/CN102895011B/en
Publication of CN102895011A publication Critical patent/CN102895011A/en
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Publication of CN102895011B publication Critical patent/CN102895011B/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/11Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
    • A61B17/115Staplers for performing anastomosis in a single operation
    • A61B17/1155Circular staplers comprising a plurality of staples

Abstract

本发明是有关于一种钉仓组件以及应用该钉仓组件的吻合器,该钉仓组件包括钉仓套、切缝组件、驱动组件、钉仓以及推钉片:驱动组件包括驱动座和驱动齿轮,驱动座可在钉仓套内上下移动,并在上端设有导向柱,驱动齿轮上设有斜槽,导向柱在斜槽内滑动;切缝组件包括切刀滑块、推钉滑块和切刀齿环,切刀滑块下部为筒体,上端为切割刀头,推钉片和推钉滑块可上下滑动的套装在切刀滑块的筒体外侧,切刀齿环安装在推钉滑块底部;切刀齿环下端与驱动齿轮啮合。 The present invention relates to a staple cartridge assembly and an application of the stapler cartridge assembly, the cartridge assembly includes a cartridge sleeve, the slit assembly, the drive assembly, push the staple cartridge and the staple sheet: drive assembly includes a drive seat and a drive gear drive sleeve holder can move up and down the staple cartridge, and a guide post at the upper end, the chute is provided with a drive gear, the guide posts slide within the chute; slit cutter assembly comprises a slider, the slider pushes the staple the toothed ring and the lower cutter, the cutter slider to the cylinder, the upper end of the cutting head, and the staple pushing plate to push down the staple slider slidably sleeved on the outer tube cutter slider, the cutter is mounted in the toothed ring the staple pushing the bottom of the slider; cutter ring gear meshing with the drive gear lower. 该吻合器的传动组件可在扳机作用下推动钉仓组件的驱动座。 The transmission assembly of the stapler cartridge assembly may push the trigger action in the driving seat. 本发明缝钉成型好、组织切割顺利、手术效果好、手术效率高、所需击发力小、安全可靠,可以保证手术正常进行,因此更适于推广使用。 Forming a good staple of the present invention, tissue cutting smooth, good surgical results, a high efficiency operation, the force required for firing small, safe and reliable, can guarantee the normal operation, thus promote the use of more suitable.

Description

一种钉仓组件以及应用该钉仓组件的吻合器 Application of one kind of staple cartridge assembly and the cartridge assembly of the stapler

技术领域 FIELD

[0001] 本发明涉及医疗器械领域,特别是涉及一种钉仓组件以及应用该钉仓组件的吻合器。 [0001] The present invention relates to the field of medical devices, particularly to one kind of a stapler cartridge assembly and applying the staple cartridge assembly.

背景技术 Background technique

[0002] 吻合器是外科手术中替代传统人工缝合的医疗器械,其中,管型吻合器被广泛应用在人体消化道手术中,例如被应用于消化道中食管、胃、十二指肠、小肠等端头或端侧吻合手术中。 [0002] anastomosis is a surgical procedure to replace the traditional stapling medical device, wherein the tube-type stapler is widely used in the human digestive tract surgery, for example, it is applied to the digestive tract esophagus, stomach, duodenum, small intestine or the tip end side of the anastomosis. 尤其是在所操作的接口部位比较短或视野不清楚的情况下,就更需要采用吻合器来实现伤口的缝合。 Especially in the interface portion of the relatively short operating or field of view is not clear, the more need to achieve stapler suturing wounds. 在诸如消化道重建等外科手术中,采用医用吻合器来辅助刀口缝合,具有操作简单、缝合迅速、基本没有副作用和并发症的优点,而且此类器械可缩短手术时间,提高手术效率。 In the digestive tract, such as reconstruction surgery, to aid in using the medical stapler edge stitching, simple, rapid suturing, advantages substantially free of side effects and complications, and such instrument can shorten the operation time and improve the operation efficiency. 其具体使用方法是:先将抵钉座埋入一侧管腔内,吻合器器身从另一侧管腔插入,再将抵钉座的卡簧管与器身的导向轴对接,调节尾部旋钮,使抵钉座在导向轴的带动下移动,闭合夹紧组织,然后击发,击发时吻合钉在推钉器的推动下,穿过组织在抵钉座的钉槽内成型,同时推出的环形刀切断多余组织和垫刀圈,最后再旋开抵钉座,从管腔连同抵钉座一起撤出吻合器,完成操作。 The specific method is used: first contact is embedded within the lumen side anvil, a stapler body is inserted from the other side lumen, the guide shaft circlip abutting the body of the tube and then the anvil, adjusting the tail knob, so that the anvil driven movement of the guide shaft, the closure clamp the tissue, and then firing, the firing anastomosis staple driven by the staple pushing, through the tissue forming a staple in the anvil slot while launched cutting excess tissue and annular knife cutting ring, and finally unscrew the anvil, from the lumen, together with the withdrawal of the anvil stapling operation is complete.

[0003]目前临床上使用的管型吻合器的钉仓组件,缝合和切割动作同步进行,切割方向与缝钉出钉方向相同,并且钉仓组件的抵钉座一侧有垫刀圈,钉仓组件的切刀必须切透垫刀圈才能完成切割动作,这种传统的钉仓组件的吻合方式容易造成缝钉成型差,缝钉倒向一边,组织切不断等风险,增加了病人的痛苦,影响手术效果。 [0003] It staple cartridge assembly of the stapler tube clinically used, stapling and cutting operation simultaneously, the same cutting direction of the staple direction staples, the anvil and the cartridge assembly has a side cutting ring, nails cutter cartridge assembly must be cut through the cutting ring to complete the cutting action, consistent with the way this traditional cartridge assembly is likely to cause the staple forming is poor, backward side of the staples, and other organizations continue to cut risk and increase the patient's pain , affect the outcome.

[0004] 由此可见,现有技术中管型吻合器在结构、方法及使用上存在明显的不足与缺陷,亟待进一步改进。 [0004] Thus, the prior art tube-type stapler obvious deficiencies and defects in the structure, method of use and urgent need for further improvement. 因此,如何创设一种缝钉成型好、组织切割顺利的钉仓组件和吻合器,实属当前重要的研发课题之一。 Therefore, how to create one kind of staple forming a good, smooth tissue cutting and stapling cartridge assembly, it is currently one of the important research topics.

发明内容 SUMMARY

[0005] 本发明要解决的技术问题是提供一种钉仓组件以及应用该钉仓组件的吻合器,使其缝钉成型好、安全可靠、组织切割顺利,从而克服现有技术的不足。 [0005] The present invention is to solve the technical problem of providing a cartridge assembly and an application of the stapler cartridge assembly, the staple so forming a good, safe and reliable, smooth tissue cutting, so as to overcome the prior art deficiencies.

[0006] 为解决上述技术问题,本发明提供一种钉仓组件,包括钉仓套、切缝组件、驱动组件、钉仓以及推钉片,其中:钉仓固定在钉仓套上端,推钉片、切缝组件、驱动组件均安装在钉仓套内;驱动组件包括驱动座和驱动齿轮,驱动座可在钉仓套内上下移动,并在上端设有导向柱,驱动齿轮的内壁上设有斜槽,驱动座的导向柱在驱动齿轮的斜槽内滑动;切缝组件包括切刀滑块、推钉滑块和切刀齿环,切刀滑块下部为筒体,上端为切割刀头,推钉片和推钉滑块可上下滑动的套装在切刀滑块的筒体外侧,推钉片位于推钉滑块上方,切刀齿环安装在推钉滑块底部;切刀齿环下端与驱动齿轮相啮合。 [0006] To solve the above problems, the present invention provides a staple cartridge assembly includes a cartridge sleeve, the slit assembly, the drive assembly, push the staple cartridge and the staple sheet, wherein: the staple cartridge staple cartridge fixed to the upper cover, the staple push sheet, slit assembly, the drive assembly are mounted in the staple cartridge sleeve; drive assembly includes a drive housing and the drive gear, the drive base can be moved up and down the staple cartridge sleeve, and a guide post at the upper end, a drive gear provided on the inner wall there chute, the guide posts slide within the drive base of the drive gear chute; slit cutter assembly comprises a slider, the slider and the staple pushing the cutter ring gear, a lower portion of the cylinder cutter slider, the upper end of the cutting blade head, and the staple pushing plate to push down the staple slider slidably sleeved on the outer tube cutter slider, the staple pushing plate is positioned above the staple pushing the slider, the cutter is mounted on the bottom of the toothed ring staple push slider; cutter teeth ring lower end engaged with the drive gear.

[0007] 作为本发明的进一步改进,所述的推钉滑块外侧设有止回爪和环形限位筋,所述的钉仓套内壁设有与该止回爪、环形限位筋对应的凸棱。 [0007] As a further improvement of the present invention, the outer side of the staple pushing the slider is provided with nonreturn pawl rib and the annular stop, the inner wall of the cartridge sleeve is provided with the detent pawls, the corresponding annular retaining rib ribs.

[0008] 所述的切刀齿环与驱动齿轮通过倒齿啮合。 [0008] The cutter drive gear ring gear by engagement pawls.

[0009] 所述的钉仓套内壁设有竖向导向筋,所述的驱动齿轮外侧设有与钉仓套的导向筋对应的导向槽。 [0009] The inner wall of the cartridge sleeve is provided with vertical guide ribs, provided on the outer side of the drive gear corresponding to the guide ribs and guide grooves of the staple cartridge sleeve.

[0010] 所述的驱动齿轮外侧设有卡台,所述的钉仓套内壁设有与驱动齿轮的卡台对应的弹性挡块。 [0010] outside of the drive gear of the card table is provided, the inner wall of the cartridge sleeve is provided with an elastic stopper with the drive gear corresponding to the card table.

[0011] 所述的切刀滑块的下部设有两个以上竖槽,竖槽内设有板状卡件,推钉滑块在与竖槽对应处设有销孔,切刀齿环在与竖槽对应处设有上下方向略有延伸的长孔,切刀齿环、推钉滑块和切刀滑块通过穿过长孔、销孔和竖槽的销钉安装,并在销钉内端安装与板状卡件形成卡位的销钉帽。 [0011] The lower portion of the blade slide is provided with two or more vertical grooves, vertical tank provided with the plate-like cards, staple pushing slider is provided with a vertical slot corresponding to the pin holes, toothed cutter ring vertical elongated hole provided at a corresponding groove extending in the vertical direction slightly, the cutter ring gear, push the staple cutter and a slider pin of the slider by passing through the long hole mounting, pin holes and vertical slots, in the end of the pin and mounting the plate-like member formed card latching pin cap.

[0012] 所述的切刀滑块底部设有限位台阶,并在驱动座上端设有与该限位台阶对应的卡钩。 Base cutter slider [0012] according to a limiting step, and a step corresponding to the hook stopper at the upper end of the drive base.

[0013] 所述的推钉滑块包括环形本体以及位于环形本体上方的推钉凸起,所述的推钉凸起的一侧为斜面。 [0013] The staple pushing slider comprising an annular body and a ring-shaped staple located above the push projection of the body, one side of the staple pushing projection is an inclined surface.

[0014] 所述的推钉滑块底部设有环形槽,所述的切刀齿环插入该环形槽内,并在切刀齿环与环形槽之间安装有板簧。 The bottom of the staple pushing the slider [0014] provided with an annular groove, said cutter ring gear inserted into the annular groove, and a leaf spring mounted between the toothed ring and annular groove cutter.

[0015] 此外,本发明还提供了一种吻合器,包括抵钉座、扳机、传动组件以及上述的钉仓组件,所述的传动组件可在扳机作用下推动钉仓组件的驱动座。 [0015] Further, the present invention provides a stapler comprising the anvil, the trigger, drive assembly and said cartridge assembly, the drive assembly may push the cartridge assembly of the drive base under the action of the trigger.

[0016] 采用以上设计后,本发明的缝钉成型好、组织切割顺利、手术效果好、手术效率高、所需击发力小、安全可靠,可以保证手术正常进行,因此更适于推广使用。 [0016] With the above design, the present invention staple forming a good, smooth tissue cutting, good surgical results, a high efficiency operation, the force required for firing small, safe and reliable, can guarantee the normal operation, and therefore more suitable for promoting the use of .

[0017] 下面通过附图和实施例,对本发明的技术方案做进一步的详细描述。 [0017] The following drawings and embodiments, detailed description of the further aspect of the present invention.

附图说明 BRIEF DESCRIPTION

[0018] 上述仅是本发明技术方案的概述,为了能够更清楚了解本发明,以下结合附图与具体实施方式对本发明作进一步的详细说明。 [0018] The foregoing is merely an overview of the technical solution of the present invention, in order to more clearly understand the present invention, in conjunction with the accompanying drawings and the following specific embodiments will be further detailed description of the present invention.

[0019] 图1是本发明钉仓组件的分解结构示意图。 [0019] FIG. 1 is an exploded schematic view of the structure of the cartridge assembly of the present invention.

[0020] 图2是本发明钉仓组件的轴截面结构示意图。 [0020] FIG. 2 is a schematic axial section of the cartridge assembly of the present invention.

[0021] 图3是本发明钉仓组件的局部剖开结构示意图。 [0021] FIG. 3 is a partially cutaway schematic view of the cartridge assembly of the present invention.

[0022] 图4是本发明钉仓组件的切缝组件结构示意图。 [0022] FIG. 4 is a schematic view of the slit assembly configuration of the cartridge assembly of the present invention.

[0023] 图5是本发明钉仓组件的驱动齿轮结构示意图。 [0023] FIG. 5 is a schematic view of the drive gear arrangement of the cartridge assembly of the present invention.

[0024] 图6是本发明钉仓组件的驱动座结构示意图。 [0024] FIG. 6 is a schematic view of the drive base structure of the cartridge assembly of the present invention.

[0025] 图7是本发明钉仓组件的切刀滑块的结构示意图。 [0025] FIG. 7 is a schematic view of the cutter cartridge assembly of the slider of the present invention.

[0026] 图8是本发明钉仓组件的切刀滑块的轴截面结构示意图。 [0026] FIG. 8 is a schematic cross-sectional axis of the cutter cartridge assembly of the slider of the present invention.

[0027] 图9是本发明钉仓组件的推钉滑块结构示意图。 [0027] FIG. 9 is a schematic view of the staple pushing slider structure of the cartridge assembly of the present invention.

[0028] 图10是本发明钉仓组件的切刀齿环的结构示意图。 [0028] FIG. 10 is a schematic view of the toothed ring cutter cartridge assembly of the present invention.

[0029] 图11是本发明钉仓组件的切缝组件的轴截面结构示意图。 [0029] FIG. 11 is a schematic axial cross-sectional structure of the slit assembly cartridge assembly of the present invention.

[0030] 图12是本发明钉仓组件的钉仓套内部结构示意图。 [0030] FIG. 12 is a schematic view of the internal structure of the cartridge case of the cartridge assembly of the present invention.

具体实施方式 Detailed ways

[0031] 请参阅图1-3所示,本发明一种钉仓组件,包括钉仓套1、固定在钉仓套I的上端的钉仓5、以及安装在钉仓套I内的推钉片4、切缝组件和驱动组件。 [0031] Referring to FIG. 1-3 A cartridge assembly according to the present invention, includes a cartridge sleeve 1 is fixed to the upper end of the cartridge case of the cartridge 5 I, and a push staples mounted within the staple cartridge sleeve of I sheet 4, the slit assembly and the drive assembly.

[0032] 以下所述上、下、左、右均以图1中所示方位为标准进行描述。 [0032] Here the upper, lower, left, and right orientation shown in FIG. 1 are described in the standard.

[0033] 其中,请配合参阅图4所示,切缝组件包括切刀滑块21、推钉滑块22和切刀齿环23。 [0033] wherein, please referring to FIG illustrated, the slit cutter assembly comprises a slider 21, the slider 22 pushes the staple cutter and the ring gear 234. 切刀滑块21下部为筒体,上端为切割刀头211,推钉片4和推钉滑块22可上下滑动的套装在切刀滑块21的筒体外侧,推钉片4位于推钉滑块22上方。 A lower cylinder 21 of the cutter slider, the upper end of the cutting head 211, pushing the staple and pushes the staple sheet 4 the slider 22 slidable vertically cylindrical slider set in the outer cutter 21, the staple pushing plate 4 is positioned to push the staple above the slider 22. 切刀齿环23安装在推钉滑块22的底部。 Cutter 23 is mounted on the toothed ring at the bottom of the slider 22 push the staple.

[0034] 请配合参阅图5、图6所示,驱动组件包括驱动齿轮31和驱动座32,驱动座32可在钉仓套I内上下移动,并在上端设有导向柱321,驱动齿轮31的内壁上设有斜槽311,驱动座的导向柱321可在驱动齿轮的斜槽311内滑动。 [0034] Please referring to FIG. 5, FIG. 6, the drive assembly includes a drive gear 31 and drive base 32, drive base 32 is movable up and down within the cartridge case I, and guide post 321 is provided at the upper end, the drive gear 31 chute 311 is provided on the inner wall, the drive base 321 of the guide posts slidable within the drive gear 311 of the chute. 驱动齿轮31与切刀齿环23的下端啮八口ο The lower end of the cutter drive gear 31 and ring gear 23 meshing eight ο

[0035] 较佳的,在驱动座32上端设置4个导向柱321,驱动齿轮31上设置4段对应的斜槽311,并在斜槽311下端设置一段垂直的卡槽315,以利于导向柱321的插入。 [0035] Preferably, the upper end of the drive base 32 is provided with four guide post 321 is provided corresponding to four segments 311 chutes drive gear 31, and the vertical section of slot 315 is provided in the lower end of the chute 311, the guide post in order to facilitate 321 insertion. 切刀齿环23与驱动齿轮31通过倒齿啮合,使其可向一个方向的相对转动。 Cutter drive gear 23 and the ring gear 31 by the engagement pawls, so as to be rotated in a direction opposite.

[0036] 进一步来说,请配合参阅图7-11所示,本发明的切刀滑块21下部设有两个以上竖槽212,竖槽212内侧设有板状卡件213,板状卡件213与切刀滑块的筒体内壁之间有一定间隙。 [0036] Further, please referring to FIG 7-11, the cutting blade 21 of the lower portion of the slider of the present invention is provided with two or more vertical grooves 212, 212 provided inside the vertical slot-shaped card 213, card-shaped there is a gap between the cylinder wall 213 and the cutter slider. 推钉滑块22在与竖槽212对应处设有销孔,切刀齿环231在与竖槽212对应处设有上下方向略有延伸的长孔。 The staple pushing the slide pin 22 is provided with holes 212 corresponding to the vertical groove, the ring gear 231 at a cutter 212 is provided with a vertical slot corresponding to the long hole extending in the vertical direction slightly. 切刀齿环23、推钉滑块22和切刀滑块21通过穿过长孔、销孔和竖槽的销钉24安装在一起,并在销钉24内端安装与板状卡件213形成卡位的销钉帽。 Cutter ring gear 23, the slider 22 pushes the staple cutter and a slider 21 by passing through the elongated hole, the pin and the pin hole 24 of vertical slots mounted together, and the card 213 is formed at the inner end of the pin 24 clamps the plate-like mounting bit pin cap.

[0037] 推钉滑块22包括环形本体以及位于环形本体上方的推钉凸起221,推钉凸起221的一侧为斜面,以便于在转动过程中,通过斜面逐个推动钉仓5内的推钉片,继而推出缝钉。 [0037] The staple pushing slider body 22 comprises an annular body and an annular upward projection 221 pushes the staple, the staple pushing projection 221 is inclined surface side, so that during the rotation, push the staple cartridge one by one through the inner bevel 5 staple pushing plate, followed by introduction of the staple. 此外,还可在推钉滑块22的底部设置环形槽222,切刀齿环23即插入该环形槽222内,并在切刀齿环23与环形槽222之间安装板簧25。 Further, the slider may be provided in the base 22 pushing the staple annular groove 222, the cutter ring gear 23 that is inserted into the annular groove 222, and a leaf spring 25 mounted between the cutter ring gear 23 with the annular groove 222.

[0038] 此外,还可在推钉滑块22的外侧设置止回爪和环形限位筋223,并在钉仓套I内壁设置与该止回爪、环形限位筋对应的凸棱,以限制切缝组件的上移范围并阻止其倒转。 [0038] Further, the slider may push staple 22 is provided outside of the detent pawls and annular retaining rib 223, and an inner wall of the cartridge case I is provided with the non-return pawl, annular retaining rib ribs corresponding to a limiting slit assembly and prevent its reverse shift range.

[0039] 安装切缝组件时,首先需要在切刀齿环23的上表面固定4个板簧25,再将固定有板簧25的切刀齿环23安装进入推钉滑块22的环形槽222内,然后将其套接在切刀滑块21上,将推钉滑块22上所设有的4个销孔,和切刀齿环23上所设的4个长孔,以及切刀滑块上的4个竖槽212对齐,插入销钉24,并在销钉末端安装销钉帽。 [0039] When installing the slit assembly, the upper surface of the cutter first need to ring gear 23 is fixed four leaf springs 25, and then the leaf springs 25 are fixed blade 23 is mounted into the toothed ring annular groove to push the staple slider 22 the 222, and then sleeved on the cutter slider 21, the slide 4 push the staple pin hole 22 is provided, the ring gear and the cutter 23 provided on the four long holes, and the cutter aligned vertical grooves 4 on the slider 212, the pin 24 is inserted, and mounting pins on the pin end cap.

[0040] 销钉24将推钉滑块22和切刀齿环23固定为一体,其整体可通过销钉24在切刀滑块21的竖槽212内上下滑动;同时由于切刀齿环23的上表面固定有板簧25,按压切刀齿环23,通过压缩板簧25,可使切刀齿环23相对于推动滑块22在长孔内发生上下位移。 [0040] The pins 24 will push the staple cutter and a slider 22 fixed to the ring gear 23 integrally, the entire slider 24 may be vertically slidable pin 212 within the vertical groove 21 by the cutting blade; the same time as the toothed ring 23 of the upper blade surface of the fixed leaf spring 25, pressing the cutter ring gear 23, by compressing the plate spring 25, the cutter ring gear 23 can push the vertical displacement of the slider relative to the long hole 22 occurs.

[0041] 销钉24处于初始位置时,销钉帽处于切刀滑块21内壁和板状卡件213的间隙内,并和板状卡件213上的凸起下端面相抵,使切刀滑块21、推钉滑块22和切刀齿环23保持相对不动。 When [0041] the pin 24 in the initial position, the pin and the inner wall of the cap is a gap-shaped cutter card 213 slider 21, and the lower and upper plate-like projections card 213 against the end face, the cutter slider 21 , staple pushing the slider 22 and the cutter ring gear 23 remains relatively immobile.

[0042] 请配合参阅图12所示,钉仓套I的内壁还可设有两条以上沿上下方向延伸的导向筋,例如设置4条对称分布的长导向筋11和4条对称分布的短导向筋12,并在长导向筋11的下端设置弹性挡块13,在驱动齿轮31的外圆周上设置对应的导向槽312、313和卡台314。 [0042] Please referring to FIG. 12, the inner wall of the cartridge sleeve is provided with guide ribs I may also extending in the vertical direction more than two, for example four arranged symmetrically distributed long guide ribs 11 and four symmetrically distributed short the guide rib 12, and an elastic guide rib 11 at the lower end of the long stopper 13 is provided corresponding to guide grooves 312, 313 and 314 in the card table on the outer circumference of the drive gear 31. 初始状态时,驱动齿轮的卡台314位于弹性挡块13下方,导向槽312、313和钉仓套I内的导向筋配合可以保证驱动齿轮31在初始阶段不发生转动,只可进行垂直移动,当驱动齿轮31向上运动,卡台314移动至弹性挡块13之上后,在弹性挡块13的作用下,驱动齿轮31不能再向下退回。 The initial state, the driving gear 314 of the card table is located below the elastic stopper 13, the guide ribs 312, 313 fit within the guide groove and the staple cartridge sleeve ensures I drive gear 31 is rotated in the initial stage does not occur, can only move vertically, when the driving gear 31 moves upward, the mobile station 314 to the card on the elastic stopper 13 under the action of the resilient stopper 13, the drive gear 31 can not be returned downward.

[0043] 更进一步来说,本发明还可在切刀滑块21的底部设置限位台阶214,并在驱动座32上端设置与该限位台阶214对应的卡钩322,卡钩322的尺寸设计以不会使其探出驱动座32的外表面为宜。 [0043] Still further, the present invention may also be provided on the bottom cutter slider stopper 21 of the step 214, and the upper end of the drive base 32 is provided corresponding to the stepped stopper 214 hook 322, the hook 322 is preferably designed so as not to make the outer surface of the drive base 32 is stuck.

[0044] 安装时,首先将驱动座32和驱动齿轮31配合安装,具体是将驱动齿轮31上的导向柱321,通过驱动齿轮上所设的卡槽315,安装进入斜槽311内。 [0044] When installed, the drive base 32 and the first driven gear 31 with the installation, in particular the guide post 321 on the drive gear 31, through the slot 315 provided in the drive gear, is mounted into the chute 311.

[0045] 然后将配合安装好的驱动座32以及驱动齿轮31安装在钉仓套I内,具体的,驱动齿轮31上的导向槽313和钉仓套I内的短导向筋12滑动配合,驱动齿轮31上的导向槽312和钉仓套I内的长导向筋11滑动配合。 [0045] and then mounted with the drive base 32 and a driving gear 31 mounted within the cartridge case I, particularly, the guide groove 313 and the driving gear sleeve short staple cartridge guide 31 in the rib 12 on the I sliding fit, a drive guide groove 31 on the gear 312 and the long guide rib staple cartridge sleeve slidably fit I 11. 最后,将之前组装好的切缝组件以及推钉片4、钉仓5依次安装在钉仓套I内。 Finally, before the components assembled slit 4 and a push staple sheet, the staple cartridge 5 is mounted in the cartridge are sequentially sets I.

[0046] 此外,本发明还提供了一种吻合器,即是将现有吻合器的钉仓组件替代为本发明上述的钉仓组件,其中,本发明钉仓组件的驱动座32可通过传动组件在扳机作用下上下移动,从而配合抵钉座完成切割、缝合操作。 [0046] Further, the present invention provides a stapler, the staple cartridge assembly that is an alternative to conventional stapling present invention, the above-described cartridge assembly, wherein the drive base of the present invention, the cartridge assembly 32 via a transmission assembly moves up and down under the action of the trigger, with the anvil thereby complete the cutting, sewing operation.

[0047] 具体的讲,初始状态时,切割刀头211低于钉仓5的表面,隐藏在钉仓套I中,驱动座的导向柱321位于斜槽311的上端。 [0047] To be specific, in the initial state, the cutting head 211 below the surface of the cartridge 5, the cartridge case I hide, a guide post 321 of the drive base 311 is located at the upper end of the chute.

[0048] 第一次握动扳机时,传动组件带动驱动座32向上移动,在驱动座32的推动下,驱动齿轮31上的导向槽312、313与钉仓套I上的长导向筋11、短导向筋12滑动配合,使推钉滑块22向上做竖直运动。 [0048] The first time the trigger grip, driven by the drive base drive assembly 32 moves upward, driven by the drive base 32, drive gear long guide grooves 312, 313 on the I and the magazine guide sleeve 31 on the rib 11, short ribs 12 guide sliding fit, so that the staple pushing upward vertical movement of the slider 22 do. 当驱动齿轮31的齿顶面顶到切刀齿环23的下端时,齿与齿啮合,并进一步推动推钉滑块22向上运动。 When the drive gear tooth top surface 31 to the lower end of the top blade 23 of the ring gear teeth meshing with the teeth, and to further upward movement of the slider 22 pushes the staple. 由于销钉帽与板状卡件213的卡位作用,在推钉滑块22向上运动的过程中,还带动切刀滑块21 —同向上运动。 Since the cap and the latching action of the pin-shaped member 213 of the card, when pushing the staple slider 22 is moved upward, the slide also drives the cutter 21 - with the upward movement.

[0049] 扳机完全握到底时,即完成出刀操作。 [0049] When the trigger is completely grip in the end, to complete the operation of the knife. 此时,切割刀头211探出钉仓5的表面并刺破组织,同时推钉滑块22上所设的推钉凸起221的上端面和推钉片4相接触,有部分缝钉被击发完成B字成型。 At this time, the cutting head 211 stuck staple cartridge and puncture tissue surface 5, while pushing the staple push the staple slider 22 is provided on the contact protrusion 4 and the upper end surface 221 of staple pushing plate, some of the staples are B is completed words forming the firing. 推钉滑块22的环形导向筋223顶到钉仓套I对应的环形凸棱上,无法再向上运动,驱动齿轮31的卡台314移动到钉仓套I的4个弹性挡块13上方。 Annular guide rib staple pushing the slider 22 to the cartridge sleeve 223 corresponding to the annular rib I, can no longer move upwardly, moving the card table 314 to the drive gear 31 of the cartridge case 4 I elastomeric stopper 13 upward.

[0050] 第一次松开扳机,驱动座32向下运动,由于钉仓套I的弹性挡块13抵住驱动齿轮31的卡台314,驱动齿轮31无法随之下移,驱动座32上的导向柱321即沿驱动齿轮31的斜槽311相对移动,使驱动齿轮31向左旋转(本例中,旋转约90度)。 [0050] The first trigger is released, the downward movement of the drive base 32, since the cartridge case I resilient stopper 13 against the card table 314 driven gear 31, drive gear 31 will not move down, the driving seat 32 i.e. along a guide post 321 of the drive gear 31 moves relative to the chute 311, the driving gear 31 rotated to the left (in this example, rotated about 90 degrees).

[0051] 由于推钉滑块22上止回爪的防倒转作用,在驱动齿轮31向左旋转过程中,切刀齿环23被向上推;停止旋转后,切刀齿环23在板簧25的弹力作用下向下落,与驱动齿轮31的齿再次咬合。 [0051] Since the staple pushing action of the return of the slider stopper ratchet pawl 22, the rotation of the left drive gear 31, the ring gear cutter 23 is pushed up; After stopping the rotation, the cutter ring gear 23 in the leaf spring 25 to fall, with the teeth of the drive gear 31 engaging again under the spring force. 完全松开扳机时,驱动座32上的导向柱321位于驱动齿轮31斜槽311的下端。 When the trigger is fully released, the drive 32 of the guide post 321 is located on the lower end of the chute 311 of the drive gear 31.

[0052] 第二次握动扳机,驱动座32向上移动,导向柱321沿斜槽311推动驱动齿轮31向右旋转,同时驱动齿轮31推动切刀齿环23向右旋转,进而使推钉滑块22和环形切刀21向右旋转,进行缝合和切割动作。 [0052] grip the trigger a second time, the drive base 32 is moved upward, the guide post 321 urges the drive gear 31 rotates in the right chute 311, while rotation of the drive gear 23 to the right ring gear 31 driven cutter, thereby enabling the sliding nail pushing block 22 and the annular cutter 21 is rotated to the right, suturing and cutting operation.

[0053] 第二次握到底时,驱动座32上的导向柱321位于驱动齿轮31上斜槽311的上端,以在驱动齿轮31上设置4段斜槽311为例来说,此时,切割刀头211和推钉凸起221行进1/4个圆周。 [0053] When the second grip in the end, the guide post on the drive base drive gear 32321 located on the upper end 311 of the chute 31, the chute section 311 to set 4 on the drive gear 31 as an example, the case, the cutting The staple pushing projection 211 and the tip 221 travels 1/4 the circumference.

[0054] 第二次松开扳机后,切缝组件不动,驱动座32向下退回,导向柱321在回到斜槽311下端的过程中,推动驱动齿轮31向左旋转回到初始位置。 [0054] After the second trigger is released, the slit assembly does not move, the drive base 32 downwardly retracted, the guide post 321 in the lower back of the chute 311, push the rotation of the left drive gear 31 to the initial position.

[0055] 重复握动扳机,直到完成切割与缝合操作。 [0055] grip the trigger repeated until the completion of the cutting and stapling operation. 以在驱动齿轮31上设置4段斜槽311为例来说,一共需要往复握动扳机5次即可完成操作,也可根据需要适当调整握动扳机的次数。 4 chute section 311 to set the drive gear 31 as an example, the total reciprocal grip trigger the need to complete the operation five times, the number of trigger grip can be adjusted according to need to move.

[0056] 缝切完成时,切刀滑块21旋转一周,底部的限位台阶214滑入驱动座32的卡钩322中。 [0056] When the knife cutting is completed, one rotation of the cutter slider 21, the bottom 214 of the stepped stopper hook 322 into the drive 32. 在驱动座32回退时,推钉滑块22和切刀齿环23保持不动,驱动座32的卡钩322配合限位台阶214拉着切刀滑块21向下运动,销钉帽移动到板状卡件213的凸起上方。 When the drive base 32 rolled back, the slider 22 pushes the staple cutter and the ring gear 23 remains fixed, the driving hook 322 with the stopper step 32 of the cutter 214 pulled downward movement of the slider 21, the pin moves to the cap card-shaped member 213 over the protrusion. 驱动座32回退到底时,切割刀头211从钉仓5表面回退到钉仓套I内,刀尖不外露,完成整个切割缝合过程。 When the drive base 32 in the end back-off, the cutter head 5 from the surface of the staple cartridge 211 to fall back within the staple cartridge case I, the cutting edge is not exposed, to complete the process stapler.

[0057] 以上所述,仅是本发明的较佳实施例而已,并非对本发明作任何形式上的限制,本领域技术人员利用上述揭示的技术内容做出些许简单修改、等同变化或修饰,均落在本发明的保护范围内。 [0057] The above are only preferred embodiments of the present invention only, not limitation of the present invention in any form, those skilled in the technical contents disclosed by the above made simple slight modifications, equivalent variations or modifications, are fall within the scope of the present invention.

Claims (10)

1.一种钉仓组件,其特征在于包括钉仓套、切缝组件、驱动组件、钉仓以及推钉片,其中: 钉仓固定在钉仓套上端,推钉片、切缝组件、驱动组件均安装在钉仓套内; 驱动组件包括驱动座和驱动齿轮,驱动座可在钉仓套内上下移动,并在上端设有导向柱,驱动齿轮的内壁上设有斜槽,驱动座的导向柱在驱动齿轮的斜槽内滑动; 切缝组件包括切刀滑块、推钉滑块和切刀齿环,切刀滑块下部为筒体,上端为切割刀头,推钉片和推钉滑块可上下滑动的套装在切刀滑块的筒体外侧,推钉片位于推钉滑块上方,切刀齿环安装在推钉滑块底部; 切刀齿环下端与驱动齿轮相啮合。 A cartridge assembly comprising a staple cartridge sleeve, the slit assembly, the drive assembly, push the staple cartridge and the staple sheet, wherein: the staple cartridge staple cartridge fixed to the upper cover, push the staple sheet, the slit assembly, the drive components are installed in the cartridge sleeve; drive assembly includes a drive housing and the drive gear, the drive base is movable up and down the staple cartridge sleeve, and a guide post at the upper end, the chute is provided on the inner wall of the drive gear, drive base guide posts slide within the drive gear chute; slit cutter assembly comprising a lower slide, pushing the staple cutter and a slider ring gear, the cylindrical body of the cutter slider, the upper end of the cutting head, and push the staple pushing plate staple slider vertically slidable sleeved on the outer tube cutter slider, the staple pushing plate is positioned above the staple pushing the slider, the cutter is mounted on the bottom of the toothed ring staple push slider; engages the lower end of the cutter ring gear with the drive gear .
2.根据权利要求1所述的钉仓组件,其特征在于:所述的推钉滑块外侧设有止回爪和环形限位筋,所述的钉仓套内壁设有与该止回爪、环形限位筋对应的凸棱。 The cartridge assembly according to claim 1, wherein: said outside staple push slider and is provided with locking pawls annular retaining rib, said cartridge sleeve is provided with an inner wall of the return-preventing claw , corresponding to the annular retaining rib ribs.
3.根据权利要求1所述的钉仓组件,其特征在于:所述的切刀齿环与驱动齿轮通过倒齿啮合。 3. The staple cartridge assembly according to claim 1, wherein: said cutter drive gear ring gear by engagement pawls.
4.根据权利要求1所述的钉仓组件,其特征在于:所述的钉仓套内壁设有竖向导向筋,所述的驱动齿轮外侧设有与钉仓套的导向筋对应的导向槽。 The cartridge assembly according to claim 1, wherein: said inner walls of staple cartridge sleeve is provided with vertical guide ribs, provided on the outer side of the drive gear corresponding to the guide ribs and guide grooves of the staple cartridge sleeve .
5.根据权利要求1所述的钉仓组件,其特征在于:所述的驱动齿轮外侧设有卡台,所述的钉仓套内壁设有与驱动齿轮的卡台对应的弹性挡块。 The cartridge assembly according to claim 1, wherein: said driving gear is provided outside of the card table, the inner wall of the cartridge sleeve is provided with an elastic stopper with the drive gear corresponding to the card table.
6.根据权利要求1所述的钉仓组件,其特征在于:所述的切刀滑块的下部设有两个以上竖槽,竖槽内设有板状卡件,推钉滑块在与竖槽对应处设有销孔,切刀齿环在与竖槽对应处设有上下方向略有延伸的长孔,切刀齿环、推钉滑块和切刀滑块通过穿过长孔、销孔和竖槽的销钉安装,并在销钉内端安装与板状卡件形成卡位的销钉帽。 The cartridge assembly according to claim 1, wherein: a lower blade of the slider is provided with two or more vertical grooves, vertical tank provided with the plate-like member card, the slider and the staple pushing vertical grooves provided at corresponding pin holes, toothed cutter ring grooves corresponding to the vertical elongated hole provided at a slightly vertically extending cutter ring gear, and the staple pushing the slider by passing through the long hole cutter slider, pin and pin hole mounting of vertical slots, and terminal pins mounted in clamps with a plate forming a cap latching pin.
7.根据权利要求1所述的钉仓组件,其特征在于:所述的切刀滑块底部设有限位台阶,并在驱动座上端设有与该限位台阶对应的卡钩。 The cartridge assembly according to claim 1, wherein: a limiting step of the cutter bottom slider, and a step corresponding to the hook stopper at the upper end of the drive base.
8.根据权利要求1所述的钉仓组件,其特征在于:所述的推钉滑块包括环形本体以及位于环形本体上方的推钉凸起,所述的推钉凸起的一侧为斜面。 8. The staple cartridge assembly according to claim 1, wherein: said staple push slider comprising a body and an annular ring positioned above the staple pushing body projection, one side of the staple pushing projection is an inclined surface .
9.根据权利要求1所述的钉仓组件,其特征在于:所述的推钉滑块底部设有环形槽,所述的切刀齿环插入该环形槽内,并在切刀齿环与环形槽之间安装有板簧。 9. The staple cartridge assembly according to claim 1, wherein: an annular groove of the staple pushing the bottom of the slider, the cutter toothed ring inserted into the annular groove, and the ring gear and the cutter leaf spring mounted between the annular groove.
10.一种吻合器,其特征在于包括抵钉座、扳机、传动组件以及权利要求1-9中任一项所述的钉仓组件,所述的传动组件可在扳机作用下推动钉仓组件的驱动座。 10. A stapler, comprising the anvil, a cartridge assembly 1-9 according to any of the trigger, and a drive assembly as claimed in claim, the drive assembly may push the staple cartridge assembly in the trigger action driving seat.
CN 201210441226 2012-11-07 2012-11-07 Staple bin assembly and stapler using same CN102895011B (en)

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CN104490438B (en) * 2014-12-31 2016-09-14 苏州天臣国际医疗科技有限公司 Application of the cartridge assembly and the medical stapler cartridge assembly
CN105615934B (en) * 2016-03-14 2018-04-13 常州智康机械有限公司 A pipe-shaped stapler
CN106963441A (en) * 2017-04-14 2017-07-21 山东省立医院 Intestine cutting special device

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