CN103181796A - Surgical apparatus - Google Patents

Surgical apparatus Download PDF

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Publication number
CN103181796A
CN103181796A CN2011104546124A CN201110454612A CN103181796A CN 103181796 A CN103181796 A CN 103181796A CN 2011104546124 A CN2011104546124 A CN 2011104546124A CN 201110454612 A CN201110454612 A CN 201110454612A CN 103181796 A CN103181796 A CN 103181796A
Authority
CN
China
Prior art keywords
anvil
provided
nail anvil
nail
housing
Prior art date
Application number
CN2011104546124A
Other languages
Chinese (zh)
Inventor
陈望东
舒拓
裴永旺
Original Assignee
苏州天臣国际医疗科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州天臣国际医疗科技有限公司 filed Critical 苏州天臣国际医疗科技有限公司
Priority to CN2011104546124A priority Critical patent/CN103181796A/en
Publication of CN103181796A publication Critical patent/CN103181796A/en

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/068Surgical staplers, e.g. containing multiple staples or clamps
    • A61B17/072Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
    • A61B17/07207Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially

Abstract

The invention discloses a surgical apparatus, which comprises a nail anvil and a nail cabin arranged oppositely, wherein the outer surface of the nail anvil is provided with a nail anvil shell; an insertion hole through which a bolt passes is formed on the nail anvil; the bolt is provided with two annular grooves; an H-shaped four-pin bracket is arranged in the nail anvil; and four pins of the H-shaped four-pin bracket are inserted into the annular grooves. The surgical apparatus has the beneficial effects that a columnar pin on the inner side of the nail anvil shell and a recess correspondingly formed in the surface of the nail anvil form an interference structure, and the annular grooves, the H-shaped four-pin structure and a grab structure on the nail anvil shell cooperate to prevent the bolt from falling off, so that the nail anvil and the nail anvil shell are connected tightly, and are prevented from falling off easily.

Description

外科手术器械 Surgical instruments

技术领域 FIELD

[0001] 本发明涉及一种外科手术器械,特别为一种直线型缝切器,属于医疗器械技术领域。 [0001] The present invention relates to a surgical instrument, in particular a linear-type surgical stapler, belonging to the technical field of medical instruments.

背景技术 Background technique

[0002] 直线型缝切器被广泛用于外科手术中用于伤口缝合、内部组织缝合与切割,典型的直线型缝切器如美国专利US5129570所揭示,具有缝合与切割两个功能,在进行伤口缝合的同时,将多余的组织切除。 [0002] The linear surgical stapler is widely used in surgery for wound closure, internal stapling and cutting tissue, a typical linear surgical stapler such as disclosed in U.S. Patent No. US5129570, stapling and cutting has two functions, performing wound closure, while an excess tissue removed. 该类直线型缝切器一般包括上、下两个钳夹,以及用于闭合上、下钳夹的闭合把手,相对设置在上、下钳夹远端的钉砧和钉仓,设于钉仓内并可同时相对所述钉仓移动击发片和切刀,以及用于驱动所述击发片和切刀移动的推钮。 Such linear surgical stapler typically includes upper and lower jaws, as well as for the closing, grip the lower jaw is closed, on the opposite, distal end of the anvil jaw and the staple cartridge, the staples provided in while the cartridge can move relative to the cartridge firing piece and the cutter, and for driving the firing piece and the push button to move the cutter. 所述钉仓内排列设置有缝合钉,所述击发片依次按顺序推动推钉片并将缝合钉推向钉砧,所述切刀将位于钉仓和钉砧之间的组织切断。 Are arranged within the cartridge has a staple, the firing order sheet successively push the staple pushing plate and the staples toward the anvil, the tissue cutter is located between the staple cartridge and the staple anvil cutting.

[0003] 现有的直线型缝切器的钉站一般为金属的,其外表面固设有一钉站外壳,但现有技术中仅仅是将钉砧外壳套于钉砧上,使得钉砧在受到撞击时出现上下窜动的现象,导致钉砧外壳与钉砧的连接处断裂,使器械被损毁。 [0003] The conventional linear surgical stapler staples station is generally a metal, is provided with an outer surface of the solid staple housing stop, but the prior art only the anvil housing on the anvil sleeve, so that the anvil move up and down phenomenon upon impact, resulting in the junction housing with the anvil anvil break the instrument is damaged. .

发明内容 SUMMARY

[0004] 本发明的目的是提出一种结构简单的外科手术器械,为具有不易脱落的钉砧外壳的直线型缝切器。 [0004] The object of the present invention is to propose a simple structure surgical instrument, having a linear surgical stapler anvil easy to fall off the housing.

[0005] 本发明的目的,将通过以下技术方案得以实现: [0005] The object of the present invention, will be achieved by the following technical solution:

一种外科手术器械,包括相对设置的钉砧和钉仓,所述钉砧外表面设置有钉砧外壳,所述钉砧上设置有一用于一插销通过的插孔,所述插销上设有两道环形凹槽,所述钉砧内设有一H型四脚支架,所述H型四脚支架的四脚插于所述环形凹槽中。 A surgical instrument comprising a staple cartridge and an anvil disposed opposite the outer surface of the anvil is provided with a housing anvil, the staple anvil is provided with a socket for a pin passes, is provided on said bolt two annular grooves, said anvil legs are equipped with a H-shaped bracket, the legs of the H-shaped bracket legs inserted in the annular groove.

[0006] 优选的,所述钉砧外壳内侧向下凸设有一柱形凸起,所述钉砧表面相应设有收容所述柱形凸起的凹口。 [0006] Preferably, the anvil is provided inside the housing a downwardly protruding cylindrical projection, the anvil surface is provided with a respective receiving recess of the cylindrical projection.

[0007] 优选的,所述钉砧外壳上设置有用于卡接钉砧的卡勾。 [0007] Preferably, the anvil is provided with a card for a snap hook on the anvil housing.

[0008] 优选的,所述卡勾为对称排列的4组。 [0008] Preferably, the hook is a symmetrical arrangement of four groups.

[0009] 本发明的有益效果主要体现在:钉砧外壳内侧的柱形销和钉砧表面相应设有的凹口形成过盈结构,环形槽和H型四脚支架结构,钉砧外壳上的卡钩结构,这些结构共同作用限制插销的脱落,使得钉砧和钉砧外壳连接紧密,不易脱落。 [0009] Advantageous effects of the present invention is mainly embodied in: a cylindrical pin anvil surface of the anvil and the staple inside the housing is provided with corresponding recesses form an interference structure, the annular groove and the support structure H-legs, the anvil housing hook structure, a common effect of these structural constraints latch off, making the anvil and anvil housing closely connected, not falling.

附图说明 BRIEF DESCRIPTION

[0010] 图1是本发明外科手术器械的结构示意图。 [0010] FIG. 1 is a schematic view of the surgical instrument of the present invention.

[0011] 图2是图1中沿MM的剖视图。 [0011] FIG. 2 is a sectional view taken along MM of FIG.

[0012] 图3是本发明H型四脚支架的结构图。 [0012] FIG. 3 is a structural view of the stent legs H of the invention.

[0013] 图4是本发明插销的结构图。 [0013] FIG 4 is a configuration diagram of the latch according to the present invention. 具体实施方式 Detailed ways

[0014] 如图1所示,本发明提供了一种直线型缝切器。 [0014] As shown in FIG 1, the present invention provides a linear surgical stapler. 与现有技术一致,所述直线型缝切器包括可相互闭合或打开的上钳夹和下钳夹,枢轴设于下钳夹上并用于闭合上、下钳夹的闭合把手,上钳夹的远端设有钉砧1,下钳夹的远端设有钉仓。 Consistent with the prior art, the linear surgical stapler includes a closable opening with each other or upper jaw and lower jaw, the lower jaw pivotally disposed and used on the closure, the closure grip jaw, the jaw the distal end of the anvil is provided with a clamp, the distal end of the jaw is provided with a staple cartridge.

[0015] 所述钉站I外表面设置有钉站外壳3。 The [0015] I an outer surface of the staple stop station housing 3 is provided with a staple. 所述钉站I上设置有一插孔4, 一插销5插入所述插孔4内。 Is provided with a connector 4, a pin 5 is inserted into the receptacle 4 on the staple station I.

[0016] 所述插销5上设有两道环形凹槽7,所述钉砧I上固定设有一H型四脚支架8,所述H型四脚支架8卡设于钉砧I的通孔中即可。 [0016] The annular groove is provided on the ends and two bolt 57, the anvil is provided with a through hole on a fixing I H-shaped bracket legs 8, the H-legs card holder 8 provided on the anvil of I It can be. 所述H型四脚支架8的四脚插入于所述环形凹槽7中,从而限制销脱落。 H-legs of the bracket legs 8 inserted in the annular groove 7, thus limiting the pin from coming off.

[0017] 所述钉砧I外壳内侧向下凸设有一柱形凸起9,所述钉砧I表面相应设有收容所述柱形凸起9的凹口10,所述钉砧外壳I对称设置有四个用于卡接钉砧I的卡勾11。 [0017] I said anvil housing is provided with a downwardly projecting inner cylindrical projection 9, the anvil surface of the corresponding I a receiving recess 9 of the cylindrical projection 10 of the anvil housing symmetrical I is provided with four snap anvil I for the hook 11.

[0018] 本发明尚有多种实施方式,凡采用等同变换或者等效变换而形成的所有技术方案,均落在本发明的保护范围之内。 [0018] The various embodiments of the present invention, there, where the use of all technical equivalents transform or equivalent conversion scheme formed, are within the scope of the present invention.

Claims (4)

1.一种外科手术器械,包括相对设置的钉砧(I)和钉仓,所述钉砧(I)外表面设置有钉砧外壳(3),所述钉砧(I)上设置有一用于一插销(5)通过的插孔(4),其特征在于:所述插销上设有两道环形凹槽(7),所述钉砧(I)内设有一H型四脚支架(8),所述H型四脚支架(8)的四脚插于所述环形凹槽(7)中。 1. A surgical instrument comprising an anvil (I) and the staple cartridge, said anvil (I) arranged opposite the outer surface of the anvil is provided with a housing (3), provided with a (I), said anvil on a pin (5) by a jack (4), characterized in that: said annular groove is provided prescribe (7) on the latch, said anvil (I) equipped with a H-shaped bracket legs (8 ), H-legs of the bracket legs (8) is inserted in the annular groove (7).
2.根据权利要求1所述的外科手术器械,其特征在于:所述钉砧外壳(3)内侧向下凸设有一柱形凸起(9),所述钉砧(I)表面相应设有收容所述柱形凸起(9)的凹口(10)。 The surgical instrument according to claim 1, wherein: said anvil housing (3) is provided with an inner downwardly projecting cylindrical projections (9), said anvil (I) with a corresponding surface accommodating the cylindrical projections (9) of the recess (10).
3.根据权利要求1所述的外科手术器械,其特征在于:所述钉砧外壳(3)上设置有用于卡接钉站(I)的卡勾(11)。 3. The surgical instrument according to claim 1, wherein: said anvil is provided on the housing (3) for locking snap staple station (I) of the hook (11).
4.根据权利要求3所述的外科手术器械,其特征在于:所述卡勾(11)为对称排列的4组。 4. The surgical instrument according to claim 3, characterized in that: the hook (11) is arranged symmetrically four groups.
CN2011104546124A 2011-12-30 2011-12-30 Surgical apparatus CN103181796A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411378A (en) * 1981-01-28 1983-10-25 Senco Products, Inc. Disposable surgical stapling instrument having an anvil with coextensive lateral flanges
US5129570A (en) * 1990-11-30 1992-07-14 Ethicon, Inc. Surgical stapler
CN2538283Y (en) * 2002-03-28 2003-03-05 常州市智业医疗仪器研究所 Anastomotic cutting case for anastomat
CN201228696Y (en) * 2008-06-14 2009-04-29 邱镇濠 Connecting fastener
US20090206135A1 (en) * 2008-02-14 2009-08-20 Ethicon Endo-Surgery, Inc. Disposable loading unit with firing indicator
CN201668441U (en) * 2010-04-01 2010-12-15 江苏瑞安贝医疗器械有限公司 Safety mechanism of linear cutting stapler
CN102178552A (en) * 2011-06-10 2011-09-14 常州威克医疗器械有限公司 Replaceable stapling and cutting devices of disposable endo-GIA (gastrointestinal anastomosis) stapler
CN102266244A (en) * 2011-04-26 2011-12-07 朱春林 GIA
CN202515710U (en) * 2011-12-30 2012-11-07 苏州天臣国际医疗科技有限公司 Surgical operating instrument

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411378A (en) * 1981-01-28 1983-10-25 Senco Products, Inc. Disposable surgical stapling instrument having an anvil with coextensive lateral flanges
US5129570A (en) * 1990-11-30 1992-07-14 Ethicon, Inc. Surgical stapler
CN2538283Y (en) * 2002-03-28 2003-03-05 常州市智业医疗仪器研究所 Anastomotic cutting case for anastomat
US20090206135A1 (en) * 2008-02-14 2009-08-20 Ethicon Endo-Surgery, Inc. Disposable loading unit with firing indicator
CN201228696Y (en) * 2008-06-14 2009-04-29 邱镇濠 Connecting fastener
CN201668441U (en) * 2010-04-01 2010-12-15 江苏瑞安贝医疗器械有限公司 Safety mechanism of linear cutting stapler
CN102266244A (en) * 2011-04-26 2011-12-07 朱春林 GIA
CN102178552A (en) * 2011-06-10 2011-09-14 常州威克医疗器械有限公司 Replaceable stapling and cutting devices of disposable endo-GIA (gastrointestinal anastomosis) stapler
CN202515710U (en) * 2011-12-30 2012-11-07 苏州天臣国际医疗科技有限公司 Surgical operating instrument

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