CN103750872B - 直线缝合切割装置 - Google Patents

直线缝合切割装置 Download PDF

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CN103750872B
CN103750872B CN201310747332.1A CN201310747332A CN103750872B CN 103750872 B CN103750872 B CN 103750872B CN 201310747332 A CN201310747332 A CN 201310747332A CN 103750872 B CN103750872 B CN 103750872B
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陈望东
单腾
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Suzhou Tianchen International Medical Technology Co Ltd
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Abstract

本发明揭示了一种直线缝合切割装置,包括可互相闭合或打开的上、下钳夹,所述上钳夹包括钉砧,所述下钳夹包括钉仓架,所述钉仓架上可拆卸地设置有钉仓,所述钉仓内排列设置有贯穿其表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片,所述钉仓架内还可滑动地设置有击发片,所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部,所述钉仓孔呈向所述钉仓的远端倾斜设置,这样,当钉仓孔内的推钉片被推动时,其受力方向与钉仓孔的延伸方向一致,推钉片不会与钉仓孔的内壁产生较大的摩擦作用力,使得推钉片可以更为顺畅的被推动,减小了手术难度。

Description

直线缝合切割装置
技术领域
本发明属于医疗器械制造技术领域,具体涉及一种直线缝合切割装置。
背景技术
现有技术中,为了使击发片与推钉片间的配合良好,击发片的端部通常做成楔形,以对推钉片推动起一较好的引导作用,由此带来的问题是,由于钉仓孔是竖直设置的,而击发片上的楔形部分与推钉片配合时会施加一倾斜的推动力,如此,推钉片在钉仓孔内运动时,与钉仓孔内的侧壁间作用力较大,增加了缝合钉被推出的难度。
发明内容
本发明的目的在于提供一种直线缝合切割装置,其可以使缝合钉被更加轻易地在钉仓孔内移动。
为实现上述发明目的,本发明提供一种直线缝合切割装置,包括可互相闭合或打开的上、下钳夹,所述上钳夹包括钉砧,所述下钳夹包括钉仓架,所述钉仓架上可拆卸地设置有钉仓,所述钉仓内排列设置有贯穿其表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片,所述钉仓架内还可滑动地设置有击发片,所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部,所述钉仓孔呈向所述钉仓的远端倾斜设置;
所述楔形推钉部具有可与所述推钉片配合的推钉面,所述钉仓孔与所述推钉面垂直设置。
作为本发明的进一步改进,在所述钉仓的远端向近端延伸的方向上,任一所述钉仓孔的上端面与钉仓底部间的距离逐渐增大。
作为本发明的进一步改进,所述钉砧包括第一钉砧单元、以及分别固定于所述第一钉砧单元两侧的第二钉砧单元,且所述第一钉砧单元和所述第二钉砧单元分体制造。
作为本发明的进一步改进,所述钉仓包括沿其纵长轴设置的一切刀槽,所述切刀槽任意一侧相邻列的所述钉仓孔交错设置。
作为本发明的进一步改进,所述钉仓上分布于所述切刀槽两侧的钉仓孔彼此对称设置。
作为本发明的进一步改进,所述钉砧具有与所述钉仓相对的钉砧成型面,所述钉砧成型面与所述第一钉砧单元和第二钉砧单元对应部分呈波浪形。
作为本发明的进一步改进,所述钉砧成型面被构造为可与所述钉仓设有钉仓孔的表面彼此啮合。
上述发明目的还可以通过以下方法实现,提供一种直线缝合切割装置,包括可互相闭合或打开的上、下钳夹,所述上钳夹包括钉砧,所述下钳夹包括钉仓架,所述钉仓架上可拆卸地设置有钉仓,所述钉仓内排列设置有贯穿其表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片,所述钉仓架内还可滑动地设置有击发片,所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部,所述钉仓孔被如此构造以使所述楔形推钉部驱动所述推钉片在所述钉仓孔内滑动时,所述推钉片的受到的推力方向与所述钉仓孔的延伸方向一致;
所述楔形推钉部具有可与所述推钉片配合的推钉面,所述钉仓孔与所述推钉面垂直设置。
与现有技术相比,本发明提供的直线缝合切割装置通过将钉仓内的钉仓孔设置为呈向所述钉仓的远端倾斜,当钉仓孔内的推钉片被推动时,其受力方向与钉仓孔的延伸方向一致,推钉片不会与钉仓孔的内壁产生较大的摩擦作用力,使得推钉片可以更为顺畅的被推动,减小了手术难度。
附图说明
图1是本发明直线缝合切割装置一实施方式的结构示意图;
图2是图1中虚线框内部分结构的放大示意图;
图3是本发明直线缝合切割装置一实施方式中钉仓的部分剖视示意图;
图4是本发明直线缝合切割装置一实施方式中钉仓的俯视图;
图5是本发明直线缝合切割装置一实施方式中钉砧的结构示意图;
图6是图5中虚线框内部分结构的放大示意图。
具体实施方式
以下将结合附图所示的具体实施方式对本发明进行详细描述。但这些实施方式并不限制本发明,本领域的普通技术人员根据这些实施方式所做出的结构、方法、或功能上的变换均包含在本发明的保护范围内。
本发明内所描述的表达位置与方向的词,均是以器械操作者作为参照,靠近操作者的一端为近端,远离操作者的一端为远端。
参图1至图3,介绍本发明直线缝合切割装置100的一具体实施方式。在本实施方式中,该直线缝合切割装置100包括可互相闭合或打开的上、下钳夹101、102。需要说明的是,这里所说的“上”、“下”并不代表位置上的绝对区分关系,而仅仅是为了描述的方便。
上钳夹101包括钉砧10,下钳夹102包括钉仓架103,该钉仓架103上可拆卸地设置有钉仓20,上、下钳夹101、102可彼此相对闭合以将目标组织夹持于钉砧10和钉仓20之间。钉仓架103内还可移动地设置有推刀杆(图未示)及置于推刀杆远端的切刀(图未示),切刀可在推刀杆的作用下自钉仓20的近端向远端运动以离断置于钉砧10和钉仓20之间的目标组织;同时钉仓20内还排列设置有贯穿其表面的钉仓孔21、及置于钉仓孔21内并可与之相对滑动的推钉片40,钉仓架103内可滑动地设置有击发片30,该击发片30具有可驱动推钉片40在钉仓孔21内滑动的楔形推钉部31,当击发片30在动力机构的作用下自钉仓20的近端向远端运动时,其上的楔形推钉部31将推钉片40沿钉仓孔21推动,以击发缝合钉对组织进行缝合。
在本实施方式中,钉仓孔21呈向钉仓20的远端倾斜设置。由于楔形推钉部31与推钉片40的配合面为倾斜的,在其推动推钉片40运动时,施加在推钉片40上的推动力实质上也是倾斜的,通过将钉仓孔21设置为向钉仓20的远端倾斜,可以减小推钉片40受到的与钉仓孔21延伸方向不同向的作用力,减小了推钉片40运动时与钉仓孔21内壁的摩擦力,使得推钉片40可以被更加顺畅的推出。
楔形推钉部31具有可与推钉片40配合的推钉面32,该推钉面32与推钉片40直接作用并向推钉片40施加与推钉面32垂直的作用力。作为优选的实施方式,在本实施方式中,钉仓孔21与该推钉面32垂直设置,也即,保证推钉片40受到的推力方向与钉仓孔21的延伸方向一致,最大程度地减小推钉片40运动时与钉仓孔21内壁之间的摩擦力,以提供最佳的推钉顺畅度。
在通常的直线缝合切割装置中,钉砧和钉仓的相对面被设计为相对平整的,当医生手术时,被夹持在钉砧和钉仓之间的目标组织可能会发生一定程度的滑动和偏移。为了克服上述不利,在本实施方式中,在钉仓20的远端向近端延伸的方向上,任意钉仓孔21的上端面211与钉仓20底部间的距离逐渐增大,如此,钉仓20的表面被相应构造为非平整状态,这样可以使得目标组织被更加牢靠地夹持于钉砧10和钉仓20之间;同时,这样的设计也契合本实施方式中钉仓孔21向钉仓20远端倾斜的设置。
可以轻易想到的是,在替换的实施方式中,可能会将钉仓孔的上端面设置为其它形式的倾斜状态,以达到与本实施方式类似的技术效果,但这些变换都应当视为在本发明技术改进上所做的等同变换,其仍应当属于本发明的保护范围之内。
配合参照图4,钉仓20包括沿其纵长轴设置的一切刀槽22,该切刀槽22任意一侧相邻列的钉仓孔21交错设置,这样的设置同样是为了当钉仓20和钉砧10闭合时,对目标组织更好的夹持效果。
参图5和图6,特殊地,在本实施方式中,钉砧10包括第一钉砧单元11、以及分别固定于第一钉砧单元11两侧的第二钉砧单元12,第一钉砧单元11和第二钉砧单元12分体制造。需要说明的是,在本实施方式中,是以具有4列钉仓孔21的钉仓20为例,将钉砧10对应地设置为包括一个第一钉砧单元11和两个第二钉砧单元12,在更多替换的实施方式中,例如具有6列钉仓孔的直线缝合切割装置中,则需要相应设置更多的第二钉砧单元。
由于在本实施方式中,切刀槽22任意一侧相邻列的钉仓孔交错设置,为了降低钉砧的成型难度,将钉砧分为第一钉砧单元和第二钉砧单元并分体制造,实际的生产中,分体制造的第一钉砧单元11和第二钉砧单元12可以通过后续的定位焊接配合在一起,组装方便。
钉仓20上与切刀槽22相邻的钉仓孔21彼此对称设置,这样的设置可以对应降低第一钉砧单元11的成型难度。钉砧11具有与钉仓20相对的钉砧成型面,该钉砧成型面与第一钉砧单元11和第二钉砧单元12对应部分111、121呈波浪形,钉仓20和钉砧10相对表面的整体起伏式设置规律且均匀,参图2,并且,钉砧成型面被构造为可与钉仓20设有钉仓孔的表面彼此啮合,以最大程度地减小挤出效应,优化对目标组织的夹持作用。
本发明通过上述实施方式,具有以下有益效果:本发明提供的直线缝合切割装置通过将钉仓内的钉仓孔设置为呈向所述钉仓的远端倾斜,当钉仓孔内的推钉片被推动时,其受力方向与钉仓孔的延伸方向一致,推钉片不会与钉仓孔的内壁产生较大的摩擦作用力,使得推钉片可以更为顺畅的被推动,减小了手术难度。
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,各实施方式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。
上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明,它们并非用以限制本发明的保护范围,凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。

Claims (8)

1.一种直线缝合切割装置,包括可互相闭合或打开的上、下钳夹,所述上钳夹包括钉砧,所述下钳夹包括钉仓架,所述钉仓架上可拆卸地设置有钉仓,所述钉仓内排列设置有贯穿其表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片,所述钉仓架内还可滑动地设置有击发片,所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部,其特征在于,所述钉仓孔呈向所述钉仓的远端倾斜设置;所述楔形推钉部具有可与所述推钉片配合的推钉面,所述钉仓孔与所述推钉面垂直设置。
2.根据权利要求1所述的直线缝合切割装置,其特征在于,在所述钉仓的远端向近端延伸的方向上,任一所述钉仓孔的上端面与钉仓底部间的距离逐渐增大。
3.根据权利要求2所述的直线缝合切割装置,其特征在于,所述钉砧包括第一钉砧单元、以及分别固定于所述第一钉砧单元两侧的第二钉砧单元,且所述第一钉砧单元和所述第二钉砧单元分体制造。
4.根据权利要求3所述的直线缝合切割装置,其特征在于,所述钉仓包括沿其纵长轴设置的一切刀槽,所述切刀槽任意一侧相邻列的所述钉仓孔交错设置。
5.根据权利要求4所述的直线缝合切割装置,其特征在于,所述钉仓上分布于所述切刀槽两侧的钉仓孔彼此对称设置。
6.根据权利要求4所述的直线缝合切割装置,其特征在于,所述钉砧具有与所述钉仓相对的钉砧成型面,所述钉砧成型面与所述第一钉砧单元和第二钉砧单元对应部分呈波浪形。
7.根据权利要求6所述的直线缝合切割装置,其特征在于,所述钉砧成型面被构造为可与所述钉仓设有钉仓孔的表面彼此啮合。
8.一种直线缝合切割装置,包括可互相闭合或打开的上、下钳夹,所述上钳夹包括钉砧,所述下钳夹包括钉仓架,所述钉仓架上可拆卸地设置有钉仓,所述钉仓内排列设置有贯穿其表面的钉仓孔、及置于所述钉仓孔内并可与之相对滑动的推钉片,所述钉仓架内还可滑动地设置有击发片,所述击发片具有可驱动所述推钉片在所述钉仓孔内滑动的楔形推钉部,其特征在于,所述钉仓孔被如此构造以使所述楔形推钉部驱动所述推钉片在所述钉仓孔内滑动时,所述推钉片的受到的推力方向与所述钉仓孔的延伸方向一致;所述楔形推钉部具有可与所述推钉片配合的推钉面,所述钉仓孔与所述推钉面垂直设置。
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PCT/CN2014/094365 WO2015101184A1 (zh) 2013-12-31 2014-12-19 直线缝合切割装置
US15/108,915 US20160324519A1 (en) 2013-12-31 2014-12-19 Linear suturing and cutting device
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