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Medical straight stitching and cutting instrument

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Publication number
CN103181795A
CN103181795A CN 201110454611 CN201110454611A CN103181795A CN 103181795 A CN103181795 A CN 103181795A CN 201110454611 CN201110454611 CN 201110454611 CN 201110454611 A CN201110454611 A CN 201110454611A CN 103181795 A CN103181795 A CN 103181795A
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CN
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Prior art keywords
forceps
upper
nail
pins
eccentric
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CN 201110454611
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Chinese (zh)
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CN103181795B (en )
Inventor
陈望东
单腾
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苏州天臣国际医疗科技有限公司
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    • 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 medical straight stitching and cutting instrument which comprises upper and lower forceps clips, a nail anvil and a nail bin, wherein the upper and lower forceps clips can be closed or opened mutually; the nail anvil and the nail bin are oppositely arranged at the far ends of the upper and lower forceps clips; the middle part of the upper forceps clip is provided with a forceps clip regulating mechanism; the regulating mechanism comprises two eccentric pins arranged front and back and a rotating strip for controlling the eccentric pins to rotate; the upper surface of the upper forceps clip is provided with a slot; the rotating strip is arranged in the slot; the eccentric pins are inserted into the middle part of the upper forceps clip; the lower surfaces of both front and rear ends of the rotating strip are provided with insections; the peripheries of the middle parts of the eccentric pins are provided with racks meshed with the insections of the rotating strip; and the rotating strip moves back and forth in the slot and drives the two eccentric pins to move. The medical straight stitching and cutting instrument has the beneficial effects that not only can a gap between the nail anvil and the nail bin be changed, but also a pre-tightening force at the far end of the stitching and cutting instrument can be changed so as to implement an effect of regulating the height; and the thickness of tissues to be stitched and cut accords with the nail forming height and the medical straight stitching and cutting instrument is more beneficial to an operation.

Description

医用直线缝切器 The medical linear surgical stapler

技术领域 FIELD

[0001] 本发明涉及一种医用钉合装置,尤其是一种外科手术用的直线缝切器,属于医疗器械技术领域。 [0001] The present invention relates to a medical stapling device, in particular of a surgical linear surgical stapler, belonging to the technical field of medical instruments.

背景技术 Background technique

[0002] 医用直线缝切器被广泛用于伤口缝合、内部组织缝合与切割。 [0002] The medical linear surgical stapler is widely used in wound closure, internal stapling and cutting tissue. 典型的医用直线缝切器如美国专利US5129570所揭示,同时具有缝合与切割两个功能,即在进行伤口缝合的同时将多余的组织切除。 A typical medical linear surgical stapler as disclosed in U.S. Patent No. US5129570, while stapling and cutting has two functions, i.e., wound closure is performed while the excess tissue removed. 该类医用直线缝切器一般包括上、下两个钳夹,相对设置在上、下钳夹远端的钉砧和钉仓,以及用于闭合上、下钳夹的闭合把手;该钉仓内设有可沿器械轴线同时移动的推钉杆和远端设有切刀的推刀杆,所述推钉杆和推刀杆的一端均配设于一滑块上;所述钉仓表面沿器械轴线排列设有若干个钉孔,每个钉孔内均设置有推钉片和缝合钉;所述滑块移动带动所述推钉杆依次推动推钉片并将所述缝合钉推向钉砧成形于待缝合组织上,并带动所述切刀将位于所述钉仓和钉砧之间的组织切断或切口。 Such medical linear surgical stapler typically includes upper and lower jaws, disposed on the opposite, distal end of the jaw anvil and staple cartridge, and for the closing, grip the lower jaw closed; the cartridge equipped with push rod and the distal end of the staple along the instrument axis simultaneously with movement of the push cutter arbor, one end of the push rod and push the nail shank are disposed on a slider; surface of the cartridge are arranged along the axis of the instrument is provided with a plurality of nail holes, each hole is provided with a staple push staples and staple sheets; move the slider bar sequentially drives the staple push the staple pushing the push towards the staple sheet and anvil formed on the tissue to be sutured, and drives the cutter tissue located between the staple cartridge and the anvil or cut off.

[0003] 现有器械每一个型号器械适用于一种厚度的组织的缝合和切割,当医生手术时,要根据手术组织的厚度选择合适的器械型号,这样对医院和医生来说,通常要为手术备多个型号的器械,以满足手术中各种不同厚度组织的需求。 [0003] having a thickness suitable for the cutting and stapling instrument each model instrument prior organization, when the surgeon to choose the thickness of the surgical instrument suitable tissue type, so that doctors and hospitals, is usually Preparation of a plurality of surgical instrument model to meet the needs of different surgical thickness of the tissue.

发明内容 SUMMARY

[0004] 本发明的目的解决上述技术问题,提出一种具有钳夹调节机构的医用直线缝切器,该调节机构可以在缝切器闭合后,根据组织的缝切厚度调节钳夹间距离,从而使得组织厚度与钉成形高度相适应,可以实现一个器械适合多种厚度组织的缝合和切割,可以减少医院的备货难度及库存压力。 [0004] The object of the present invention to solve the above problems, to provide a linear surgical stapler having jaw medical adjusting mechanism, the adjusting mechanism may be closed after a surgical stapler, in accordance with the distance between the adjustable jaw slit cut tissue thickness, such that the tissue thickness and adapted to staple forming height can be realized a device for stapling and cutting tissue in various thicknesses, the hospital can be reduced and inventory stocking difficulty pressure.

`[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:

一种医用直线缝切器,包括:可相互闭合或打开的上、下钳夹,相对设置在上、下钳夹远端的钉砧和钉仓,以及用于闭合上、下钳夹的闭合把手;所述钉仓表面沿器械轴线排列设有若干个钉孔,每个钉孔内均设置有相互抵接的推钉片和缝合钉;所述上钳夹的中部设置有钳夹调节机构,所述调节机构包括前、后设置的两个偏心销及控制偏心销转动的旋转条。 A medical linear surgical stapler, comprising: a closed or open each of the upper and lower jaw, disposed opposite to the upper jaw at the distal end of the anvil and staple cartridge, and for closing, the closing jaw a handle; the cartridge device along an axis aligned with the surface of a plurality of nail holes, each hole is provided with the staple abut against each other and push the staple sheet staple; middle of the upper jaw with a jaw adjustment mechanism is provided the adjustment mechanism comprises a front, and two eccentric pin eccentrically disposed control pin after rotation of the rotating strips.

[0006] 优选地,所述上钳夹的上表面开设有槽,所述旋转条置于槽内,所述偏心销穿设于上钳夹的中部。 [0006] Preferably, the upper surface of the upper jaw defines a groove, in the groove of the rotary bar, the eccentric pin disposed through the center of the upper jaw.

[0007] 优选地,所述旋转条的前、后端下表面均设置有齿纹,所述偏心销的中部外围设置有与旋转条齿纹相啮合的齿条,所述旋转条在槽内前、后移动,并带动两个偏心销运动。 Before [0007] Preferably, the rotary bar, the lower surface of the rear end is provided with indented middle periphery of the eccentric pin is provided with a rotating rack with rack teeth engaging groove, in the groove of the rotating strips before and after movement, and the two eccentric drive pin movement.

[0008] 优选地,所述旋转条上开设有腰形槽,所述腰形槽内穿设有一用于固定上钳夹与旋转条位置的固定销,所述旋转条前、后移动的位移与腰形槽长度相当。 Before [0008] Preferably, the rotation defines a kidney-shaped grooves on the bar, the kidney-shaped groove is provided through a fixing pin for fixing the position of the jaw and the rotary bar, the rotary bar, the movement of the displacements kidney-shaped groove with a considerable length.

[0009] 优选地,所述旋转条的上表面凸设有用于推动旋转条移动的波浪纹。 [0009] Preferably, the upper surface of the rotating strips projecting undulation is provided for pushing the rotating movement of the bar.

[0010] 优选地,两个所述偏心销的偏心相位差为180°。 [0010] Preferably, the two eccentric pin eccentric phase difference is 180 °.

[0011] 本发明的有益效果主要体现在:通过改变钉砧与钉仓的间隙,进而改变缝切器远端的预紧力,实现调节钉成型高度的目的;使得一种型号的器械可以适应多种厚度的组织的缝合和切割,方便医生及医院。 [0011] Advantageous effects of the present invention is mainly embodied in: changing the gap by the anvil and the staple cartridge, thereby changing the preload of the distal end of the surgical stapler, the staple forming height adjustment to achieve the object; such that one type of instrument can be adapted suturing and tissue cutting a variety of thicknesses, easy to doctors and hospitals.

附图说明 BRIEF DESCRIPTION

[0012] 图1是本发明医用直线缝切器的上钳夹侧面示意图; [0012] FIG. 1 is a schematic view of a medical linear surgical stapler of the present invention, the upper jaw side surface;

图2是本发明医用直线缝切器的上钳夹的俯视图; FIG 2 is a plan on a medical linear surgical stapler jaws of the present invention;

图3是本发明医用直线缝切器的示意图; 3 is a schematic medical linear surgical stapler of the present invention;

图4是本发明医用直线缝切器的偏心销结构示意图。 FIG 4 is a diagram showing the structure of the present invention, the eccentric pin medical linear surgical stapler of.

具体实施方式 detailed description

[0013] 本发明揭示了一种医用直线缝切器,如图1-图3所示,包括:可相互闭合或打开的上、下钳夹,相对设置在上、下钳夹远端的钉砧和钉仓,以及用于闭合上、下钳夹的闭合把手;所述钉仓表面沿器械轴线排列设有若干个钉孔,每个钉孔内均设置有相互抵接的推钉片和缝合钉。 [0013] The present invention discloses a medical linear surgical stapler, as shown in Figures 1 to 3, comprising: a closed or open each of the upper and lower jaw, is provided on the opposite, distal end of the staple jaws the anvil and the staple cartridge, and for the closing, grip the lower jaw closed; staple pushing plate surface of the cartridge is provided with a plurality of staple holes arranged along the axis of the instrument, each hole is provided with the staple abut on each other and staple.

[0014] 所述上钳夹的中部设置有钳夹调节机构,所述调节机构包括前、后设置的两个偏心销及控制偏心销转动的旋转条11 ;所述偏心销分别为设置在旋转条11前端的锁紧销12,设置在旋转条11后端的支点销13。 [0014] The upper jaw is provided with a central jaw adjustment mechanism, the adjusting mechanism comprises a front, and two eccentric pin eccentrically disposed control pin after rotation of the rotating strips 11; the eccentric rotation pin are provided Article 11 of the front end of the locking pin 12, a pivot bar 11 provided at the rear end of the pin 13.

[0015] 如图2所示,所述上钳夹的上表面开设有槽1,槽I内设置有旋转条11,所述旋转条11在槽内前、后移动。 [0015] As shown, the upper surface of the upper jaw defines a groove 2 provided with a groove 11 rotating strips I, the rotating strips before slot 11 after the movement. 所述旋转条11上开设有腰形槽21,所述腰形槽21内穿设有一用于固定上钳夹与旋转条11位置的固定销22。 Defines the rotating strips 11 have waist-shaped groove 21, the kidney-shaped groove is provided through a fixing pin 11 for fixing the position of the jaw 22 and the rotary strip 21. 所述旋转条11前、后移动的位移与腰形槽长度相当。 Top 11 of the rotation, the moving displacement of the kidney-shaped groove considerable length.

[0016] 两个偏心销均穿设于上钳夹的中部。 [0016] The two eccentric pins are disposed through the center of the upper jaw. 所述旋转条11的前、后端下表面均设置有齿纹31,所述偏心销的中部外围设置有与旋转条11的齿纹31相啮合的齿条32,旋转条11的移动带动两个偏心销运动。 Top 11 of the rotation, the lower surface of the rear end 31 is provided with indented middle periphery of the eccentric pin is provided with a groove and the rack teeth 11 of the rotating strips 32, 31 is engaged, the rotational movement section 11 driven by two eccentric pin movement.

[0017] 为了方便旋转条11前后移动,防止打滑,所述旋转条的上表面凸设有用于推动旋转条移动的波浪纹41。 [0017] In order to facilitate longitudinal movement of the rotating strips 11, preventing slipping on the surface of the rotating strips projecting undulation 41 is provided for urging the rotary movement of the bar.

[0018] 优选的,两个所述偏心销的偏心相位差为180°,结合图4所示,即当旋转条11移动到最前端和最后端时,则其中一个偏心销达到最高点34处,另一个偏心销达到最低点33处。 Eccentric phase [0018] Preferably, the two eccentric pins is 180 °, in conjunction with FIG. 4, i.e., when the rotary bar 11 moves to the foremost end and rearmost end, an eccentric pin which is the highest point 34 another eccentric pin 33 reaches the lowest point. 这样就能使上、下钳夹之间的间隙间距变化幅度最大。 This enables the upper, the biggest changes in gap spacing between the lower jaw.

[0019] 下面结合附图简要说明下操作过程。 [0019] The following brief description of the drawings in conjunction with the operating procedure.

[0020] 当待缝切组织被加入到上、下钳夹远端的钉砧和钉仓时,直线型缝切器闭合,此时,若组织的厚度较大,则调节钳夹调节机构,具体的通过拨动旋转条11,往前拨动,钉砧与钉仓的间隙变小;往后拨动,钉砧与钉仓的间隙变大。 [0020] When the surgical stapler to be added to the tissue, when the distal end of the anvil jaw and the staple cartridge, linear surgical stapler is closed, this time, if the thickness of the tissue is large, the adjustment mechanism adjusting jaw, specifically by rotating the toggle strip 11, toggle forward, the staple anvil and the staple cartridge gap becomes smaller; toggle back, the staple anvil and the staple cartridge gap increases. 通过调节上钳夹前端进行夹紧和闭合的缓慢修整,使得一种型号的器械可以适应多种厚度的组织的缝合和切割,方便医生及医院。 By adjusting the clamping jaws and a closed distal end trimmed slow, such that one type of instrument can be adapted to a variety of stapling and cutting tissue thickness, to facilitate doctors and hospitals. 为了使调节更符合预期要求,可以在缝切器的表面设有指示标志,指示标志可以为颜色指示或采用电子显示,用以显示上、下钳夹之间的间隙间距。 To make the adjustment more in line with expectations, may be provided on the surface of the surgical stapler indicator, a color indicator may indicate or electronic display for display, the gap distance between the lower jaw. [0021] 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。 [0021] 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 (6)

1.一种医用直线缝切器,包括:可相互闭合或打开的上、下钳夹,相对设置在上、下钳夹远端的钉砧和钉仓,以及用于闭合上、下钳夹的闭合把手;所述钉仓表面沿器械轴线排列设有若干个钉孔,每个钉孔内均设置有相互抵接的推钉片和缝合钉;其特征在于:所述上钳夹的中部设置有钳夹调节机构,所述调节机构包括前、后设置的两个偏心销及控制偏心销转动的旋转条。 1. A medical linear surgical stapler, comprising: a closed or open each of the upper and lower jaw, disposed opposite to the upper jaw at the distal end of the anvil and staple cartridge, and for closing the lower jaw closing handle; instrument along the axis of the cartridge is provided with a plurality of surfaces arranged nail holes, each hole is provided with the staple abut against each other and push the staple sheet staple; characterized in that: the upper middle jaw jaw is provided with an adjustment mechanism, the adjusting mechanism comprises a front rotating strips, and two eccentric pin eccentrically disposed control pin after rotation.
2.根据权利要求1所述的医用直线缝切器,其特征在于:所述上钳夹的上表面开设有槽,所述旋转条置于槽内,所述偏心销穿设于上钳夹的中部。 The medical linear surgical stapler according to claim 1, wherein: the upper surface of the upper jaw defines a groove, in the groove of the rotary bar, the eccentric pin disposed through the upper jaw the middle.
3.根据权利要求2所述的医用直线缝切器,其特征在于:所述旋转条的前、后端下表面均设置有齿纹,所述偏心销的中部外围设置有与旋转条齿纹相啮合的齿条,所述旋转条在槽内前、后移动,并带动两个偏心销运动。 The medical linear surgical stapler according to claim 2, wherein: the article before the rotation, the lower surface of the rear end is provided with indented middle periphery of the eccentric pin is provided with a rotating bar indented the rack gear, rotation of said groove strip before, after the movement, and the two eccentric drive pin movement.
4.根据权利要求3所述的医用直线缝切器,其特征在于:所述旋转条上开设有腰形槽,所述腰形槽内穿设有一用于固定上钳夹与旋转条位置的固定销,所述旋转条前、后移动的位移与腰形槽长度相当。 The medical linear surgical stapler according to claim 3, characterized in that: defines a kidney-shaped groove of the rotary bar, the kidney-shaped groove is provided with a through jaw for fixing the rotational position of the strip fixing pin, prior to said rotating strips, after displacement of the moving quite kidney-shaped slot length.
5.根据权利要求3所述的医用直线缝切器,其特征在于:所述旋转条的上表面凸设有用于推动旋转条移动的波浪纹。 The medical linear surgical stapler according to claim 3, wherein: said upper surface of the rotating strips projecting undulation is provided for pushing the rotating movement of the bar.
6.根据权利要求1至5所述的任一种医用直线缝切器,其特征在于:两个所述偏心销的偏心相位差为180°。 A medical according to any linear surgical stapler according to claim 1 to 5, characterized in that: said two eccentric pin eccentric phase difference of 180 °.
CN 201110454611 2011-12-30 2011-12-30 Medical straight stitching and cutting instrument CN103181795B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104523312A (en) * 2015-01-30 2015-04-22 陈裕生 Execution head of linearly closed cutter
CN104921730A (en) * 2015-06-30 2015-09-23 上海理工大学 Intelligent instrument for measuring tissue thickness
CN105496488A (en) * 2016-02-03 2016-04-20 苏州英途康医疗科技有限公司 Electric anastomat

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EP0178942A2 (en) * 1984-10-19 1986-04-23 Ethicon Inc. Surgical stapling instrument with jaw latching mechanism and disposable staple cartridge
US4608981A (en) * 1984-10-19 1986-09-02 Senmed, Inc. Surgical stapling instrument with staple height adjusting mechanism
US4629107A (en) * 1983-08-16 1986-12-16 Vsesojuzny Nauchno-Issledovatelsky I Ispytatelny Institute Meditsinskoi Tekhniki Ligating instrument
US20070145096A1 (en) * 2001-10-05 2007-06-28 Tyco Healthcare Group Lp Surgical stapling apparatus and method
CN101675898A (en) * 2008-09-19 2010-03-24 伊西康内外科公司 Surgical stapling instrument with cutting member arrangement
US20110101067A1 (en) * 2009-11-05 2011-05-05 Paul Anthony Johnson Surgical stapler
CN202426589U (en) * 2011-12-30 2012-09-12 苏州天臣国际医疗科技有限公司 Medical straight suture device

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Publication number Priority date Publication date Assignee Title
US4629107A (en) * 1983-08-16 1986-12-16 Vsesojuzny Nauchno-Issledovatelsky I Ispytatelny Institute Meditsinskoi Tekhniki Ligating instrument
EP0178942A2 (en) * 1984-10-19 1986-04-23 Ethicon Inc. Surgical stapling instrument with jaw latching mechanism and disposable staple cartridge
US4608981A (en) * 1984-10-19 1986-09-02 Senmed, Inc. Surgical stapling instrument with staple height adjusting mechanism
US20070145096A1 (en) * 2001-10-05 2007-06-28 Tyco Healthcare Group Lp Surgical stapling apparatus and method
CN101675898A (en) * 2008-09-19 2010-03-24 伊西康内外科公司 Surgical stapling instrument with cutting member arrangement
US20110101067A1 (en) * 2009-11-05 2011-05-05 Paul Anthony Johnson Surgical stapler
CN202426589U (en) * 2011-12-30 2012-09-12 苏州天臣国际医疗科技有限公司 Medical straight suture device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104523312A (en) * 2015-01-30 2015-04-22 陈裕生 Execution head of linearly closed cutter
CN104921730A (en) * 2015-06-30 2015-09-23 上海理工大学 Intelligent instrument for measuring tissue thickness
CN105496488A (en) * 2016-02-03 2016-04-20 苏州英途康医疗科技有限公司 Electric anastomat

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