CN103142269A - 吻合器用击发组件及吻合器 - Google Patents

吻合器用击发组件及吻合器 Download PDF

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CN103142269A
CN103142269A CN2012105820756A CN201210582075A CN103142269A CN 103142269 A CN103142269 A CN 103142269A CN 2012105820756 A CN2012105820756 A CN 2012105820756A CN 201210582075 A CN201210582075 A CN 201210582075A CN 103142269 A CN103142269 A CN 103142269A
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CN103142269B (zh
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陈望东
徐威
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Suzhou Tianchen International Medical Technology Co Ltd
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Priority to PCT/CN2013/090561 priority patent/WO2014101794A1/zh
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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
    • 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00535Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated
    • A61B2017/00539Surgical instruments, devices or methods, e.g. tourniquets pneumatically or hydraulically operated hydraulically
    • 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
    • A61B2017/07214Stapler heads
    • A61B2017/07242Stapler heads achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes
    • 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
    • A61B2017/07214Stapler heads
    • A61B2017/07278Stapler heads characterised by its sled or its staple holder

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Abstract

本发明提供一种吻合器用击发组件,包括组件壳体,设置于组件壳体内可容纳流体的压力腔,设置于组件壳体下以提供动力的推杆,推杆可以推动所述压力腔内的流体压缩,与所述压力腔连通的活塞孔,容设于所述活塞孔内的活塞,通过所述活塞推动的击发部。本发明的吻合器用击发组件击发触感柔和,且吻合钉的闭合均匀。

Description

吻合器用击发组件及吻合器
技术领域
本发明涉及医疗器械技术领域,尤其涉及一种吻合器用击发组件及使用该击发组件的吻合器。
背景技术
吻合器用于消化道吻合已近一个世纪,一般分为一次性或多次使用的吻合器,进口或国产吻合器。它是医学上使用的替代传统手工缝合的设备,由于现代科技的发展和制作技术的改进,目前临床上使用的吻合器质量可靠,使用方便,严密、松紧合适,尤其是其缝合快速、操作简便及很少有副作用和手术并发症等优点,有时还使得过去无法切除的肿瘤手术得以病灶切除,很受国内外临床外科医生的青睐和推崇。
一般地,吻合器包括本体、钉仓组件、钉砧组件和击发机构,而击发机构又包括击发把手/推钮、连接于击发把手和钉仓组件之间的击发组件等,传统的击发组件因为使用纯机械式连接,在使用中击发力缺乏弹性,会有击发生硬的感觉。而且,因为受到机构设计的限制,在一次击发吻合中,吻合钉成形高度都几乎相同。但实际上,因为人体组织是厚薄不那么均匀的,尤其是在吻合口较长的手术中,组织的厚薄程度更加难以准确掌握。因此,若吻合钉成型高度满足了厚组织的闭血要求,则容易使较薄组织部分闭血效果不好,而造成出血,而如果想让吻合钉成型高度满足薄组织的闭血要求,则对于厚组织部分的闭合又容易过紧,影响吻合部位的供血、恢复。
因此,需要提供一种能够避免传统吻合器的不利之处的新的击发组件及新型的吻合器。
发明内容
为解决上述技术问题,本发明的目的在于提供一种吻合器用击发组件及具有该组件的吻合器以解决现有技术中吻合器击发生硬及钉的闭合不均的问题。
为实现上述发明目的,本发明的吻合器用击发组件,其包括组件壳体,设置于组件壳体内可容纳流体的压力腔,设置于组件壳体下以提供动力的推杆,推杆可以推动所述压力腔内的流体压缩,与所述压力腔连通的活塞孔,容设于所述活塞孔内的活塞,通过所述活塞推动的击发部。
作为本发明的进一步改进,所述压力腔与多个活塞孔相连,多个活塞设置于所述多个活塞孔内,所述活塞上设置有彼此独立的多个击发部。
作为本发明的进一步改进,所述活塞孔后端具有阻挡部件,以限制所述活塞在所述活塞孔内的运动。
作为本发明的进一步改进,所述阻挡部件为设置于活塞孔底部的垫片,在所述垫片上对应所述活塞孔部分具有通孔。
作为本发明的进一步改进,所述压力腔中的流体为液体。
作为本发明的进一步改进,所述压力腔中的流体为气体。
作为本发明的进一步改进,所述组件壳体的两侧壁上具有引导槽,一助推器设置于所述引导槽中,并通过推杆的作用将所述压力腔中的流体压缩。
作为本发明的进一步改进,所述组件壳体的两侧壁上具有引导槽,所述推杆前端设置有助推器,所述助推器设置于所述引导槽中,可以将所述压力腔中的流体压缩。
作为本发明的进一步改进,所述吻合器可为直线型、圆管型、圆弧形吻合器。
本发明还提供一种吻合器,包括吻合器本体及吻合器用击发组件,其使用本发明所提供的吻合器用击发组件。
与现有技术相比,本发明的吻合器用击发组件击发触感柔和,且吻合钉的闭合均匀、术后效果好。
附图说明
图1为本发明吻合器用击发组件的一个实施例的初始状态的结构示图;
图2为本发明吻合器用击发组件的一个实施例的部分立体图,其比例与图1中不同;
图3为本发明吻合器用击发组件的击发初始状态的结构示意图,其中箭头表示在该处的作用力;
图4为使用本发明吻合器用击发组件击发后的吻合钉的放大示意图,用以显示吻合钉的成型高度的不同。
具体实施方式
下面结合附图所示的各实施方式对本发明进行详细说明,但应当说明的是,这些实施方式并非对本发明的限制,本领域普通技术人员根据这些实施方式所作的功能、方法、或者结构上的等效变换或替代,均属于本发明的保护范围之内。
在本具体实施方式中的描述,如果结合背景技术中的图式及说明更容易理解,但不作为对于本发明的任何限制。且在本发明中,主要的改造在于击发组件的部分,其它部分不作过多描述。
如图1至图4所示,本发明一种吻合器用击发组件100,包括组件壳体101,在组件壳体101的两侧壁1011上开设有引导槽1012及1014。在组件壳体101内还具有压力腔102,所述压力腔102内具有流体,该流体为气体或液体。压力腔102的下部具有助推器103,可与压力腔102密封连接。助推器103的两侧容置于引导槽1012及1014内并可在引导槽1012及1014内移动。在助推器103下具有推杆104,推杆104可以推动助推器103向上运动,从而将压力腔102中的流体压缩。当然,容易理解,如果助推器103与推杆104一体也是可以完成本发明的目的。
该击发组件还包括多个活塞孔105与压力腔102连通,在活塞孔105内密封设置有活塞106。活塞孔105与所述压力腔102之间具有垫片107,在垫片107上对应活塞孔105的位置具有通孔1071,从而保证压力腔102与活塞孔105的连通。当然,垫片107及通孔1071的使用也可以用其它方式来完成,例如在活塞孔105内设置阻挡部件,当然,可以理解,阻挡部件并不闭合,可以使压力腔102中的流体压强传递至活塞106的下表面从而给活塞106施加作用力。
在活塞106的上部具有击发部108,在每个活塞106上的击发部108在活塞106轴向方向上可以独立运动。当然将击发部108中部分独立或成组设置也与独立设置具有同样的效果,可以根据具体的使用情形设定。
本发明在初始状态时,压力腔102内的压强与外界相同,活塞106处于静止状态。在进行击发的过程中,推动推杆104,经过助推器103的作用,将压力腔102内的流体压缩,从而压力腔102的压强变大,产生向上的推力(如图中箭头所示)。因为压力腔102与活塞孔105通过通孔1071进行连通,所以活塞孔105内的压强变大并推动活塞106向上移动,从而带动击发部108上移。于是,将击发部108上的吻合钉3推出并将被吻合组织2吻合、固定。在击发部108向上移动时,吻合钉3的支脚因抵顶于钉砧4上而向下弯折形成“B”型, 
在击发部108变形的初期,吻合钉3的成型高度相同。但随着支脚的进一步弯折,吻合钉3内的被吻合组织2受力后也会同样对击发部108产生向下的推力(如图中箭头所示)。此时,对处于被吻合组织2厚度较大的区域的击发部108而言,其因被吻合组织2产生的反作用力较大,较先地与流体作用于活塞106进而作用于击发部108的作用力平衡,所以被吻合组织2厚度较大处的区域上的吻合钉3停止变形。对处于被吻合组织2厚度较小的区域的击发部108而言,其因被吻合组织2产生的反作用力较小,其尚未小于流体作用于活塞106进而作用于击发部108的作用力,所以该处的吻合钉3进一步变形,压紧被吻合组织2,直到该处的被吻合组织2上的反作用力与流体的压力平衡。
根据流体可以传递压强的基本原因,只要活塞106的面积相同,则对于击发部108的推力即相同,从而所有的被吻合组织2的闭合效果相同,但吻合钉3的成型高度不同,请参阅附图所示。
本发明的击发组件可以用于多种类型的吻合器,包括直线型、圆管型、圆弧形吻合器。只要其使用本发明的击发组件,均能够得到本发明的目的。因为本发明采用流体压力来调节吻合钉成型高度的不同,则击发动作柔和,符合人体工学原理,另外,成型高度因被吻合组织的厚度不同而不同,得到最终均匀的闭合效果。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。不应将权利要求中的任何附图标记视为限制所涉及的权利要求。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (10)

1.一种吻合器用击发组件,其特征在于,包括组件壳体,设置于组件壳体内可容纳流体的压力腔,设置于组件壳体下以提供动力的推杆,推杆可以推动所述压力腔内的流体压缩,与所述压力腔连通的活塞孔,容设于所述活塞孔内的活塞,通过所述活塞推动的击发部。
2.根据权利要求1所述的吻合器用击发组件,其特征在于,所述压力腔与多个活塞孔相连,多个活塞设置于所述多个活塞孔内,所述活塞上设置有彼此独立的多个击发部。
3.根据权利要求1或2所述的吻合器用击发组件,其特征在于,所述活塞孔后端具有阻挡部件,以限制所述活塞在所述活塞孔内的运动。
4.根据权利要求3所述的吻合器用击发组件,其特征在于,所述阻挡部件为设置于活塞孔底部的垫片,在所述垫片上对应所述活塞孔部分具有通孔。
5.根据权利要求1所述的吻合器用击发组件,其特征在于,所述压力腔中的流体为液体。
6.根据权利要求1所述的吻合器用击发组件,其特征在于,所述压力腔中的流体为气体。
7.如权利要求1所述的吻合器用击发组件,其特征在于,所述组件壳体的两侧壁上具有引导槽,一助推器设置于所述引导槽中,并通过推杆的作用将所述压力腔中的流体压缩。
8.如权利要求1所述的吻合器用击发组件,其特征在于,所述组件壳体的两侧壁上具有引导槽,所述推杆前端设置有助推器,所述助推器设置于所述引导槽中,可以将所述压力腔中的流体压缩。
9.根据权利要求1所述的吻合器用击发组件,其特征在于,所述吻合器可为直线型、圆管型、圆弧形吻合器。
10.一种吻合器,包括吻合器本体及吻合器用击发组件,其特征在于,所述吻合器用击发组件为如权利要求1-9中任何一项所述。
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HUE13866753A HUE051449T2 (hu) 2012-12-28 2013-12-26 Kilövõ alkatrész bõrkapcsolóval való használatra és bõrkapcsoló
PCT/CN2013/090561 WO2014101794A1 (zh) 2012-12-28 2013-12-26 吻合器用击发组件及吻合器
ES13866753T ES2802818T3 (es) 2012-12-28 2013-12-26 Componente de disparo de uso en grapadora y grapadora
EP13866753.0A EP2942017B1 (en) 2012-12-28 2013-12-26 Stapler-use firing component and stapler
JP2015545657A JP6117934B2 (ja) 2012-12-28 2013-12-26 ステープラ用コッキングアセンブリ及びステープラ
US14/750,645 US9888923B2 (en) 2012-12-28 2015-06-25 Firing assembly for surgical stapler and surgical stapler

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WO2014101794A1 (zh) * 2012-12-28 2014-07-03 苏州天臣国际医疗科技有限公司 吻合器用击发组件及吻合器
CN112617927A (zh) * 2020-12-11 2021-04-09 苏州法兰克曼医疗器械有限公司 一种防止误操作的新型吻合器

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