CN100464715C - 外科装订仪装订机构 - Google Patents

外科装订仪装订机构 Download PDF

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CN100464715C
CN100464715C CNB2006100415081A CN200610041508A CN100464715C CN 100464715 C CN100464715 C CN 100464715C CN B2006100415081 A CNB2006100415081 A CN B2006100415081A CN 200610041508 A CN200610041508 A CN 200610041508A CN 100464715 C CN100464715 C CN 100464715C
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陈望东
徐威
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Suzhou Tianchen International Medical Technology Co Ltd
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Abstract

本发明涉及一种外科用装订仪的装订机构。它位于外科装订仪的头部,包括有钉仓、推钉片和钉砧,推钉片和钉仓安装在装订仪本体内,钉砧与推钉片的位置相对应,其特点是所述钉仓、推钉片和钉砧的工作面各自都不在同一平面,且至少呈现出一个台阶式的落差分布结构。采用这种结构所形成的吻合口,其两排钉之间的距离被增大,手术形成的吻合口的弹性增加,与组织的生理特性更接近,有利于组织的快速恢复。装订完毕当钉砧退出吻合环或者是内容物通过吻合环时,吻合环可以弹性变大,使钉砧或内容物轻松通过,减小了损伤吻合环的机会。

Description

外科装订仪装订机构
技术领域
本发明涉及一种装订机构,特别是一种外科装订仪装订机构,属于医疗器械领域。
背景技术
外科装订仪是广泛用于食管,胃,肠等消化道组织与其他脏器组织端端吻合、端侧吻合、侧侧吻合的现代医疗器械,根据应用于的组织不同分为圆管型装订仪、直线型装订仪、侧侧型装订仪、肛痔环切黏膜装订仪、圆弧型的闭合器和圆弧型切割缝合器。它们的产生,使医生伏在手术台的时间大大减少,提高了医生的工作效率,更重要的是它带来的是吻合口闭合的一次质的飞跃,不仅使吻合口吻合平整,而且吻合后吻合口很严密,大大提高了吻合质量,降低了由于吻合口闭合不完整,闭合不紧密而产生的一系列并发症,病人恢复的时间也大大缩短,也就是大大减轻了病人的痛苦。它采用的是订书机的原理,把钉装入钉头组件内的钉仓,将需要吻合的组织放在钉砧组件与钉头组件之间,调整钉砧组件与钉头组件之间的距离到合适的距离,然后击发把手组件,钉被推钉片推出钉头组件,穿入待吻合的组织,钉在钉砧的作用下弯曲成型,将组织牢牢地订在一起。圆管型外科装订仪是被人们广泛运用的一种外科装订仪,它通过将待吻合的两段管状组织分别扎荷包,然后将两圈交错排列的钉订入组织,形成一个近似圆的吻合环,切去多余组织,退出钉砧,实现两个断端的连接。为了保证吻合口质量,通常都是两排钉交错排列对组织进行吻合,虽然加固了吻合口,但也增加了组织受冲压的面积,使组织不易快速恢复。这样的方式存在一个很大的缺点就是钉砧退出比较困难,稍有不慎就会将吻合环破坏,造成吻合口瘘,大量出血,使手术失败。
发明内容
本发明的目的在于克服现有技术存在的以上问题,提供一种外科装订仪装订机构。
本发明的目的通过以下技术解决方案来实现:
外科装订仪装订机构,它位于外科装订仪的头部,包括有钉仓、推钉片和钉砧,推钉片和钉仓安装在装订仪本体内,钉砧与推钉片的位置相对应,其特征在于:所述钉仓、推钉片和钉砧的各自工作面都不在同一平面上,至少呈现出一个台阶式的落差分布结构。
本发明的目的还可通过以下技术措施来进一步实现:
上述的外科装订仪装订机构,其中,所述台阶为直线形台阶或是圆弧形台阶或是闭合圈台阶。
更进一步地,上述的外科装订仪装订机构,其中,所述的钉仓、推钉片的台阶分布为内低外高,与之对应的钉砧的台阶分布为内高外低。
更进一步地,上述的外科装订仪装订机构,其中,所述的钉仓、推钉片的台阶分布为内高外低,与之对应的钉砧的台阶分布为内低外高。
再进一步地,上述的外科装订仪装订机构,其中,所述外科装订仪是直线型装订仪、侧侧型装订仪、肛痔环切黏膜装订仪,或者是圆弧型的闭合器。
本发明的优点在于:在手术的装订过程中,由于存在一个台阶式的落差,所以本装订机构所形成的吻合口在保证了吻合口严密性的同时增大了两排钉之间的距离,也就是用更大的组织面积来承担同样的冲击力,因而分散了冲击力,并且形成的吻合口的弹性增加,与组织的生理特性更接近,有利于组织的快速恢复。不会出现类似传统的装订结构,增加了吻合口严密性的同时也使组织承受的冲压力增加,使组织不易快速恢复,增加患者的调理时间。并且当钉砧退出手术形成的吻合环或者内容物通过吻合环时,吻合环由于弹性变大,使钉砧或内容物轻松通过,减小了损伤吻合环的机会。
本发明的目的、优点和特点,将通过下面优先实施例的非限制性说明进行图示和解释,这些实施例是参照附图仅作为例子给出的。
附图说明
图1是实施例1中直线型装订仪的总体示意图;
图2是实施例1中钉仓的局部放大图;
图3是实施例1中钉砧的局部放大图;
图4是实施例2中侧侧吻合器的总体示意图;
图5是实施例2中钉仓的局部放大图;
图6是实施例2中钉砧的局部放大图;
图7是实施例3、实施例4中圆管型装订仪的总体示意图;
图8是实施例3中推钉片的结构示意图;
图9是实施例3中钉仓的局部放大图;
图10是实施例3中钉砧的局部放大图;
图11是实施例4中推钉片的结构示意图;
图12是实施例4中钉仓的局部放大图;
图13是实施例4中钉砧的局部放大图。
图中:1a、1b、1c、1d—钉仓;2a、2b—推钉片;3a、3b、3c、3d—钉砧。
具体实施方式
如图1—13所示的外科装订仪装订机构,包括有钉仓1、推钉片2和钉砧3,推钉片2、与钉仓1安装在装订仪本体内,钉砧3与推钉片1的位置相对应,其中:钉仓1、推钉片2和钉砧3的工作面都不是一个平面,各自至少呈现出一个台阶式的落差分布结构。所述的台阶为直线形台阶或是圆弧形台阶或是闭合圈,钉仓1、推钉片2的台阶分布可以为内低外高,与之对应的钉砧3的台阶分布为内高外低。当然,钉仓1、推钉片2的台阶分布为也可以是内高外低,与之对应的钉砧3的台阶分布为内低外高。这种装订机构适用于直线型装订仪、侧侧型装订仪、肛痔环切黏膜装订仪,或者圆弧型的闭合器。
下面结合说明书附图详述本发明技术方案。
实施例1
如图1—图3所示的台阶式装订机构,包括有钉仓1、推钉片2和钉砧3,推钉片2、与钉仓1安装在装订仪本体内,钉砧3与推钉片2的位置相对应,其中:钉仓1、推钉片2和钉砧3的工作面都不在同一水平面上,且至少呈现出一个台阶式的落差分布结构,且前述的台阶为直线形台阶。也就是说,钉仓1、推钉片2和钉砧3都是直线型,再具体的来说,所述的钉仓1、推钉片2的分布为内低外高的直线形台阶,与之对应的钉砧3的分布为内高外低的直线形台阶。从图2、图3中可以看出:钉仓1a要高于钉仓1b,钉砧3a低于钉砧3b。配合如图1所示的直线型装订仪来实施,这样在手术的装订过程中,由于存在一个台阶式的落差,所以本装订机构所形成的吻合口其两排钉之间的距离被增大,因而吻合口的弹性增加,与组织的生理特性更接近,有利于组织的快速恢复。不会出现类似传统的装订结构,容易使组织受冲压过度,不易快速恢复,增加患者的调理时间。
当然所述的钉仓1、推钉片2的分布也可以为内高外低的直线形台阶,与之对应的钉砧3的分布为内低外高的直线形台阶。
实施例2
如图4—图6所示的台阶式装订机构,包括有钉仓1、推钉片2和钉砧3,推钉片2、与钉仓1安装在装订仪本体内,钉砧3与推钉片2的位置相对应,其中:钉仓1、推钉片2和钉砧3的工作面都不在同一水平面上,且至少呈现出一个台阶式的落差分布结构,且前述的台阶为直线形台阶。也就是说,钉仓1、推钉片2和钉砧3都是直线型且为两侧对称。再具体的来说,所述的钉砧3的分布为中间的两排高于外围的两层,如图6中钉砧3a、3b要高于钉砧3c、3d。总体呈现“凸”字状,与之向对应的钉仓1、推钉片2的分布正好相反,总体呈现“凹”字状,如图5中钉仓1a、1b要低于钉仓1c、1d。配合侧侧吻合器来使用,如图4所示:由于存在一个台阶式的落差,所以本装订机构所形成的吻合口其两排钉之间的距离被增大,因而吻合口的弹性增加,与组织的生理特性更接近,有利于组织的快速恢复。不会出现类似传统的装订结构,容易导致组织受到的冲压力过大,使组织不易快速恢复,增加患者的调理时间。
实施例3
如图7—图10所示的台阶式装订机构,包括有钉仓1、推钉片2和钉砧3,推钉片2、与钉仓1安装在装订仪本体内,钉砧3与推钉片2的位置相对应,其中:钉仓1、推钉片2和钉砧3的工作面都不在同一水平面上,且至少呈现出一个台阶式的落差分布结构,且前述的台阶为圆弧型台阶,最终成型为一个闭合圈。也就是说,钉仓1呈现一个带台阶分布的闭合圈,内圈低于外圈,即如图9中钉仓1a低于钉仓1b。同样,推钉片2也呈现一个带台阶分布的闭合圈,且内圈低于外圈,即如图8中推钉片2a低于推钉片2b,与钉仓1的形状配合。相应的,钉砧3为内层高外层低的闭合圈,即如图10中钉砧3a高于钉砧3b。如图7本台阶式装订机构配合圆管型的装订仪用于手术中,由于存在一个台阶式的落差,所以本装订机构所形成的吻合口其两排钉之间的距离被增大,即吻合口的宽度增大,作用在组织上的冲压力可以辐射开来,使因局部受力产生的副作用减小。并且当钉砧3退出手术形成的吻合环或者是内容物通过吻合环时,吻合环可以弹性变大,使钉砧3或内容物轻松通过,减小了损伤吻合环的机会,有利于组织的快速恢复。
实施例4
如图7、图11—图13所示的台阶式装订机构,包括有钉仓1、推钉片2和钉砧3,推钉片2、与钉仓1安装在装订仪本体内,钉砧3与推钉片2的位置相对应,钉仓1、推钉片2和钉砧3的工作面都不在同一水平面上,且至少呈现出一个台阶式的落差分布结构,且前述的台阶为圆弧型台阶,最终成型为一个闭合圈。也就是说,钉仓1呈现一个带台阶分布的闭合圈,内圈高于外圈,即如图12中钉仓1a高于钉仓1b。同样,推钉片2也呈现一个带台阶分布的闭合圈,且内圈高于外圈,即如图11中推钉片2a高于推钉片2b,与钉仓1的形状配合。相应的,钉砧3为内层低外层高的闭合圈,即如图13中钉砧3a低于钉砧3b。如图7本台阶式装订机构配合圆管型的装订仪用于手术中,由于存在一个台阶式的落差,所以本装订机构所形成的吻合口其两排钉之间的距离被增大,即吻合口的宽度增大,作用在组织上的冲压力可以辐射在更大的面积上,使因局部受力产生的副作用减小。并且当钉砧3退出手术形成的吻合环或者是内容物通过吻合环时,吻合环可以弹性变大,使钉砧3或内容物轻松通过,减小了损伤吻合环的机会,有利于组织的快速恢复。
当然,以上仅是本发明的具体应用范例,对本发明的保护范围不构成任何限制。除上述实施例外,本发明还可以有其它实施方式。凡采用等同替换或等效变换形成的技术方案,均落在本发明所要求保护的范围内。

Claims (5)

1、外科装订仪装订机构,它位于外科装订仪的头部,包括有钉仓、推钉片和钉砧,推钉片和钉仓安装在装订仪本体内,钉砧与推钉片的位置相对应,其特征在于:所述钉仓、推钉片和钉砧的各自工作面都不是一平面,各自工作面至少呈现出一个台阶式的落差分布结构。
2、根据权利要求1所述的外科装订仪装订机构,其特征在于:所述的台阶为直线形台阶或是圆弧形台阶或是闭合圈台阶。
3、根据权利要求1所述的外科装订仪装订机构,其特征在于:所述的钉仓、推钉片的台阶分布为内低外高,与之对应的钉砧的台阶分布为内高外低。
4、根据权利要求1所述的外科装订仪装订机构,其特征在于:所述的钉仓、推钉片的台阶分布为内高外低,与之对应的钉砧的台阶分布为内低外高。
5、根据权利要求1所述的外科装订仪装订机构,其特征在于:所述外科装订仪是直线型装订仪、侧侧型装订仪、肛痔环切黏膜装订仪,或者是圆弧型的闭合器。
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