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CN116115289A - Clip applier - Google Patents

Clip applier
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Publication number
CN116115289A
CN116115289ACN202111339817.8ACN202111339817ACN116115289ACN 116115289 ACN116115289 ACN 116115289ACN 202111339817 ACN202111339817 ACN 202111339817ACN 116115289 ACN116115289 ACN 116115289A
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China
Prior art keywords
jaw assembly
clip
release
stopper
arm
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CN202111339817.8A
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Chinese (zh)
Inventor
孙宝峰
乔志晨
程涛
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Fengh Medical Co ltd
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Fengh Medical Co ltd
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Priority to CN202111339817.8ApriorityCriticalpatent/CN116115289A/en
Priority to PCT/CN2022/131202prioritypatent/WO2023083272A1/en
Publication of CN116115289ApublicationCriticalpatent/CN116115289A/en
Pendinglegal-statusCriticalCurrent

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Abstract

Translated fromChinese

本发明公开一种施夹钳,包括钳口组件和被作用件,所述被作用件可操作的位于所述钳口组件中,所述钳口组件具有止挡件和释放机构,所述止挡件与所述被作用件抵接以使所述被作用件保持于所述钳口组件,所述释放机构能驱动所述止挡件移动,以使所述止挡件与所述被作用件脱离,从而使所述被作用件处于可脱离所述钳口组件的状态,从而当钳口组件打开时,钳口组件不会拉扯被作用件,被作用件不会拉扯组织或血管,降低了微创手术的风险。

Figure 202111339817

The invention discloses a clip applier, which comprises a jaw assembly and an acted part, the acted part is operatively located in the jaw assembly, the jaw assembly has a stopper and a release mechanism, the stopper The stopper abuts against the acted part to hold the acted part in the jaw assembly, and the release mechanism can drive the stopper to move so that the stopper and the acted part The part is disengaged, so that the affected part is in a state that can be separated from the jaw assembly, so that when the jaw assembly is opened, the jaw assembly will not pull the affected part, and the affected part will not pull the tissue or blood vessel, reducing the risks of minimally invasive surgery.

Figure 202111339817

Description

Translated fromChinese
施夹钳Clip Applier

技术领域technical field

本发明涉及医疗器械技术领域,特别是涉及一种施夹钳。The invention relates to the technical field of medical instruments, in particular to a clip applier.

背景技术Background technique

在微创手术中,常采用施夹钳将夹子固定于组织或血管上,以达到止血、结扎闭合的作用。夹子具有相对设置的两个夹臂,两个夹臂能够闭合以使目标组织固定于两个夹臂之间。In minimally invasive surgery, clip applicators are often used to fix the clips on tissues or blood vessels to achieve hemostasis and ligation and closure. The clip has two opposite clamping arms, and the two clamping arms can be closed to fix the target tissue between the two clamping arms.

在施夹前,需要将夹子从施夹钳内推至施夹钳的钳口组件的远端。钳口组件包括两个钳臂,每一个钳臂中设有与夹子对应的止挡件。夹子移动到钳口组件的远端后,夹子的夹臂和与其对应的止挡件抵接,使得夹子在钳口组件远端的位置保持稳定。Before clip application, the clip needs to be pushed from the inside of the clip applier to the distal end of the jaw assembly of the clip applier. The jaw assembly includes two tong arms, each of which is provided with a stopper corresponding to the clip. After the clip moves to the far end of the jaw assembly, the clip arm of the clip abuts against the corresponding stopper, so that the position of the clip at the far end of the jaw assembly remains stable.

现有技术中,在钳口组件闭合以闭合夹子后,止挡件仍然与夹子抵接,使得夹子难以脱离钳口组件,从而在打开钳口组件时,钳口组件会对夹子产生作用力,导致夹子对组织或血管造成撕扯,增加了微创手术的风险。In the prior art, after the jaw assembly is closed to close the clip, the stopper still abuts against the clip, making it difficult for the clip to disengage from the jaw assembly, so that when the jaw assembly is opened, the jaw assembly exerts force on the clip, This can cause the clip to tear tissue or blood vessels, increasing the risk of minimally invasive procedures.

基于上述,有必要对现有技术中的施夹钳进行改进。Based on the above, it is necessary to improve the clip applier in the prior art.

发明内容Contents of the invention

针对现有技术的不足,本发明旨在提供一种施夹钳,解决了钳口组件打开时会对夹子的产生作用力而导致夹子对组织造成撕扯的技术问题。Aiming at the deficiencies of the prior art, the present invention aims to provide a clip applier, which solves the technical problem that the clip will tear the tissue due to the force exerted on the clip when the jaw assembly is opened.

本发明通过以下技术方案实现:The present invention is realized through the following technical solutions:

一种施夹钳,包括钳口组件和被作用件,所述被作用件可操作的位于所述钳口组件中,所述钳口组件具有止挡件和释放机构,所述止挡件与所述被作用件抵接以使所述被作用件保持于所述钳口组件,所述释放机构能驱动所述止挡件移动,以使所述止挡件与所述被作用件脱离,从而使所述被作用件处于可脱离所述钳口组件的状态。A clip applier, comprising a jaw assembly and an acted part, the acted part is operatively located in the jaw assembly, the jaw assembly has a stopper and a release mechanism, the stopper and The affected part abuts to keep the affected part in the jaw assembly, the release mechanism can drive the stopper to move, so that the stopper is separated from the affected part, Thus, the affected part is in a state where it can be detached from the jaw assembly.

作为优选,所述钳口组件的至少一侧具有所述释放机构,所述释放机构包括两个释放元件,响应于所述钳口组件的闭合,每一个所述释放元件的近端均沿第一方向朝向所述钳口组件的近端移动。Preferably, at least one side of the jaw assembly has the release mechanism, the release mechanism includes two release elements, the proximal end of each release element moves along the first One direction moves toward the proximal end of the jaw assembly.

进一步优选,响应于所述钳口组件的闭合,两个所述释放元件的远端相互靠近运动。It is further preferred that the distal ends of the two release elements move towards each other in response to the closing of the jaw assembly.

进一步优选,所述钳口组件包括两个钳臂,一个所述释放元件的远端和一个所述钳臂枢转连接,另一个所述释放元件的远端和另一个所述钳臂枢转连接,两个所述释放元件的近端枢转连接。Further preferably, the jaw assembly includes two pliers arms, the distal end of one release element is pivotally connected to one of the pliers arms, and the distal end of the other release element is pivotally connected to the other pliers arm. connected, the proximal ends of the two release elements are pivotally connected.

进一步优选,所述止挡件与所述释放元件的近端可操作地配合,响应于所述钳口组件的闭合,每一个所述释放元件的近端沿第一方向向所述钳口组件的近端移动以驱动所述止挡件向近端移动,以使所述止挡件与所述被作用件脱离。Further preferably, the stopper is operatively engaged with proximal ends of the release elements, and in response to closure of the jaw assembly, the proximal end of each release element moves toward the jaw assembly in a first direction. The proximal end of the stopper moves to drive the stopper to move proximally, so that the stopper is disengaged from the affected part.

进一步优选,所述钳口组件包括两个钳臂,每一个所述钳臂中均具有所述止挡件,与同一个所述释放机构相配合的两个止挡件的近端通过铰接部相连接。Further preferably, the jaw assembly includes two pliers arms, each of the pliers arms has the stopper, and the proximal ends of the two stoppers matched with the same release mechanism pass through the hinge connected.

进一步优选,所述释放机构还包括第一销轴,位于所述钳口组件同一侧的两个释放元件的近端通过第一销轴枢转连接,所述释放元件的近端通过所述第一销轴与所述铰接部可操作地配合,以驱动所述止挡件向近端移动。Further preferably, the release mechanism further includes a first pin shaft, the proximal ends of the two release elements located on the same side of the jaw assembly are pivotally connected through the first pin shaft, and the proximal ends of the release elements pass through the first pin shaft. A pin operatively cooperates with the hinge part to drive the stopper to move proximally.

作为优选,所述钳口组件包括两个钳臂,所述被作用件为夹子,所述止挡件与所述夹子的至少一部分抵接以将所述夹子保持在所述钳臂中。Preferably, the jaw assembly includes two pliers arms, the acted member is a clip, and the stopper abuts at least a part of the clip to keep the clip in the pliers arms.

作为优选,所述钳口组件包括两个钳臂,所述止挡件设置于所述钳臂,所述被作用件为夹子,所述夹子包括两个夹臂,一个所述夹臂的至少一部分可操作的位于一个所述钳臂中,另一个所述夹臂的至少一部分可操作的位于另一个所述钳臂中,所述止挡件与其所在所述钳臂中的所述夹臂的所述至少一部分相抵接;所述钳口组件的至少一侧设置有所述释放机构,所述释放机构包括两个释放元件,所述止挡件和与其对应的所述释放元件的近端可操作地配合,响应于所述钳口组件的闭合,每一个所述释放元件的近端沿第一方向向近端移动以驱动所述止挡件向近端移动,以使所述止挡件与其所在钳臂中的所述夹臂的所述至少一部分脱离,同时两个所述释放元件的远端相互靠近运动。Preferably, the jaw assembly includes two pliers arms, the stopper is arranged on the pliers arms, the affected part is a clip, and the clip includes two clip arms, at least one of the clip arms A part is operatively located in one of the pliers arms, and at least a part of the other pliers arm is operatively located in the other pliers arm, and the stopper and the clamp arm in the pliers arms The at least one part of the jaw assembly abuts against; at least one side of the jaw assembly is provided with the release mechanism, and the release mechanism includes two release elements, the stopper and the proximal end of the release element corresponding thereto Operably cooperating, in response to the closure of the jaw assembly, the proximal end of each of the release members moves proximally in a first direction to drive the stop member proximally so that the stop The member is disengaged from said at least a part of said clamp arm in said clamp arm, and at the same time the distal ends of the two release elements are moved closer to each other.

进一步优选,一个所述释放元件的远端和一个所述钳臂枢转连接,另一个所述释放元件的远端和另一个所述钳臂枢转连接,两个所述释放元件的近端枢转连接。Further preferably, the distal end of one release element is pivotally connected to one of the pliers arms, the distal end of the other release element is pivotally connected to the other pliers arm, and the proximal ends of the two release elements Pivot connection.

进一步优选,每一个所述夹臂具有耳部,所述夹臂的所述至少一部分包括所述耳部。Further preferably, each of said clamping arms has an ear, said at least a portion of said clamping arm comprising said ear.

进一步优选,每一个所述钳臂上均设有滑槽;所述止挡件包括安装部和限位部,所述安装部可滑动地位于所述滑槽中,所述限位部与所述钳臂的底部之间构成导向空间,所述耳部在所述导向空间内移动时,所述限位部对所述耳部进行约束。Further preferably, a chute is provided on each of the pliers arms; the stopper includes a mounting portion and a limiting portion, the mounting portion is slidably located in the chute, and the limiting portion is connected to the limiting portion. A guiding space is formed between the bottoms of the pliers arms, and when the ear moves in the guiding space, the limiting part constrains the ear.

进一步优选,在所述钳口组件处于打开状态时,任意一个所述安装部的远端从所述安装部所在的滑槽中伸出。Further preferably, when the jaw assembly is in an open state, the distal end of any one of the installation parts protrudes from the slide groove where the installation part is located.

作为优选,所述止挡件具有弹性。Preferably, the stopper is elastic.

进一步优选, 每一个所述止挡件与对应的所述释放元件的近端固定连接。Further preferably, each stopper is fixedly connected to the proximal end of the corresponding release element.

作为优选,所述钳口组件的两侧均设有所述释放机构。Preferably, both sides of the jaw assembly are provided with the release mechanism.

与现有技术相比,本发明的有益效果在于:Compared with prior art, the beneficial effect of the present invention is:

本发明施夹钳通过在钳口组件上设置了释放机构,同时设置止挡件能够在钳口组件的远端和近端之间滑动,使得钳口组件闭合时,释放机构能够带动止挡件朝向钳口组件的近端移动以远离夹子的耳部,由此解除止挡件对耳部的限制作用,从而当钳口组件打开时,钳口组件不会拉扯夹子的夹臂,从而夹子的夹臂不会拉扯组织或血管,降低了微创手术的风险。The clip applier of the present invention is provided with a release mechanism on the jaw assembly, and at the same time, a stopper can slide between the distal end and the proximal end of the jaw assembly, so that when the jaw assembly is closed, the release mechanism can drive the stopper Towards the proximal end of the jaw assembly moves away from the ear of the clip, thereby releasing the restraining effect of the stopper on the ear, so that when the jaw assembly is opened, the jaw assembly does not pull on the arms of the clip so that the clip's The clamp arm will not pull tissue or blood vessels, reducing the risk of minimally invasive surgery.

附图说明Description of drawings

图1是本发明具体实施方式提供的施夹钳的结构示意图;Fig. 1 is a schematic structural view of a clip applier provided in a specific embodiment of the present invention;

图2是本发明具体实施方式提供的施夹钳的部分区域的剖视图;Fig. 2 is a cross-sectional view of a partial area of the clip applier provided by a specific embodiment of the present invention;

图3是本发明具体实施方式提供的施夹钳的杆身组件的剖视图,其中,推夹组件未与夹子抵接;Fig. 3 is a cross-sectional view of the shaft assembly of the clip applier provided by the specific embodiment of the present invention, wherein the push clip assembly is not in contact with the clip;

图4是本发明具体实施方式提供的施夹钳的杆身组件的剖视图,其中,推夹组件与夹子抵接并将夹子推至钳口组件中;Fig. 4 is a cross-sectional view of the shaft assembly of the clip applier provided by the specific embodiment of the present invention, wherein the push clip assembly abuts against the clip and pushes the clip into the jaw assembly;

图5是本发明具体实施方式提供的夹子的结构示意图;Fig. 5 is a schematic structural view of a clip provided by a specific embodiment of the present invention;

图6是现有技术中施夹钳的钳口组件的结构示意图;Fig. 6 is a schematic structural view of the jaw assembly of the clip applier in the prior art;

图7是本发明具体实施方式提供的钳口组件第一角度的结构示意图,其中钳口组件中具有夹子且钳口组件是打开状态;Fig. 7 is a schematic structural view of the first angle of the jaw assembly provided by the specific embodiment of the present invention, wherein there is a clip in the jaw assembly and the jaw assembly is in an open state;

图8是本发明具体实施方式提供的钳口组件第一角度的结构示意图,其中钳口组件中具有夹子且钳口组件是闭合状态;Fig. 8 is a schematic structural view of the first angle of the jaw assembly provided by the specific embodiment of the present invention, wherein there is a clip in the jaw assembly and the jaw assembly is in a closed state;

图9是本发明具体实施方式提供的钳口组件第一角度的剖视图,其中钳口组件中具有夹子且钳口组件是闭合状态;Fig. 9 is a cross-sectional view at a first angle of the jaw assembly provided by a specific embodiment of the present invention, wherein the jaw assembly has a clip and the jaw assembly is in a closed state;

图10是本发明具体实施方式提供的钳口组件第二角度的结构示意图,其中钳口组件中具有夹子且钳口组件是打开状态;Fig. 10 is a schematic structural view of the second angle of the jaw assembly provided by the specific embodiment of the present invention, wherein the jaw assembly has a clip and the jaw assembly is in an open state;

图11是本发明具体实施方式提供的钳口组件第二角度的结构示意图,其中钳口组件中无夹子且钳口组件是打开状态;Fig. 11 is a schematic structural view of the second angle of the jaw assembly provided by the specific embodiment of the present invention, wherein there is no clip in the jaw assembly and the jaw assembly is in an open state;

图12是本发明具体实施方式提供的钳口组件第一角度的剖视图,其中钳口组件中无夹子且钳口组件是打开状态;Fig. 12 is a cross-sectional view of the jaw assembly provided by a specific embodiment of the present invention at a first angle, wherein there is no clip in the jaw assembly and the jaw assembly is in an open state;

图13是本发明具体实施方式提供的钳口组件第一角度的剖视图,其中钳口组件中无夹子且钳口组件是打开状态,并且钳口组件中未安装止挡件;Fig. 13 is a cross-sectional view at a first angle of the jaw assembly provided by a specific embodiment of the present invention, wherein there is no clip in the jaw assembly and the jaw assembly is in an open state, and no stopper is installed in the jaw assembly;

图14是本发明具体实施方式提供的钳口组件的第二钳臂的部分结构示意图;Fig. 14 is a partial structural schematic diagram of the second pliers arm of the jaw assembly provided in the specific embodiment of the present invention;

图15是本发明具体实施方式提供的夹子与止挡件配合方式的示意图;Fig. 15 is a schematic diagram of the cooperation mode of the clip and the stopper provided by the specific embodiment of the present invention;

图16是本发明释放机构运动原理示意图;Fig. 16 is a schematic diagram of the movement principle of the release mechanism of the present invention;

图17是本发明具体实施方式提供的止挡件的结构示意图;Fig. 17 is a schematic structural view of a stopper provided by a specific embodiment of the present invention;

图18是本发明具体实施方式提供的第二钳臂与释放元件配合的示意图;Fig. 18 is a schematic diagram of the cooperation between the second pliers arm and the release element provided by the specific embodiment of the present invention;

以上附图的附图标记:1-钳口组件;101-第一钳臂;102-第二钳臂;103-止挡件;1031-铰接部;1032-安装部;1033-限位部;104-凹陷部;105-底部;106-侧部;107-滑槽;108-缺口;The reference signs of the above drawings: 1-jaw assembly; 101-first tong arm; 102-second tong arm; 103-stopper; 1031-hinge part; 1032-installation part; 1033-limiting part; 104-sag; 105-bottom; 106-side; 107-chute; 108-notch;

2-扳手;201-抵推部;2-wrench; 201-resistance part;

3-壳体;3-shell;

4-杆身组件;401-套管;402-基座;4021-导向槽;4022-导向斜面;403-弹性推杆;404-推夹块;4-shaft assembly; 401-sleeve; 402-base; 4021-guide groove; 4022-guiding slope; 403-elastic push rod; 404-push clamp block;

5-驱动管;501-挡块;5-drive tube; 501-block;

6-弹性体;6 - elastomer;

7-夹子;701-第一夹臂;702-第二夹臂;703-第一耳部;704-第二耳部;705-卡合部;706-连接部;7-clip; 701-first clamping arm; 702-second clamping arm; 703-first ear; 704-second ear; 705-engaging part; 706-connecting part;

8-释放元件;9-第一销轴;10-第二销轴;11-第三销轴;12-移动件。8-release element; 9-first pin shaft; 10-second pin shaft; 11-third pin shaft; 12-moving member.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

需要理解的是,本文所用术语“近”、“后”和“远”、“前”是相对于操纵施夹钳的手柄的临床医生而言的。术语“近”、“后”是指靠近临床医生的部分,术语“远”、“前”则是指远离临床医生的部分。即手柄为近端,钳口组件为远端,如某个零部件的近端表示相对靠近手柄的一端,远端则表示相对靠近钳口组件的一端。术语“上”、“下”是以钳口组件的第一钳臂和第二钳臂的相对位置为参考,具体的,第一钳臂在“上”,第二钳臂在“下”。然而,施夹钳可以在许多方向和位置使用,因此这些表达相对位置关系的术语并不是受限和绝对的。It should be understood that the terms "proximal", "rear" and "distal", "anterior" as used herein are relative to the clinician manipulating the handle of the clip applier. The terms "proximal" and "posterior" refer to the part close to the clinician, and the terms "distal" and "anterior" refer to the part away from the clinician. That is, the handle is the proximal end, and the jaw assembly is the distal end. For example, the proximal end of a component means the end relatively close to the handle, and the distal end means the end relatively close to the jaw assembly. The terms "upper" and "lower" refer to the relative positions of the first tong arm and the second tong arm of the jaw assembly, specifically, the first tong arm is "up", and the second tong arm is "down". However, the clip applier can be used in many orientations and positions, so these terms expressing relative positional relationships are not limiting and absolute.

在本发明中,除非另有明确的规定和限定,“相连”、“连接”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸地连接,还可以是可运动地连接,或成一体;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系如抵接。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本发明中的具体含义。需要说明的是,在“相连”、“连接”前有限定语时,其具有相应限定语所限定的含义,只排除明显需要排除的情形,不排除其它可能的情形。In the present invention, terms such as "connected" and "connected" should be interpreted in a broad sense unless otherwise clearly specified and limited, for example, they can be fixedly connected, detachably connected, or movably connected. , or integrated; it can be directly connected or indirectly connected through an intermediary, it can be the internal communication of two elements or the interaction relationship between two elements such as butting. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations. It should be noted that when there are qualifiers before "connected" and "connected", it has the meaning defined by the corresponding qualifiers, and only the situations that obviously need to be excluded are excluded, and other possible situations are not excluded.

本文所用术语“轴向”是指套管401的长度方向。The term "axial" as used herein refers to the length direction of thesleeve 401 .

图1-4、7-14示出了本发明实施例的外科器械,具体是一种施夹钳,用于将夹子7施加到人体上,例如血管或除血管以外的其它组织。1-4, 7-14 show the surgical instrument of the embodiment of the present invention, specifically a clip applicator, which is used to apply theclip 7 to the human body, such as blood vessels or other tissues except blood vessels.

重点参考图1-2,本实施例施夹钳包括操作组件、自操作组件延伸的杆身组件4、传动机构和设置于杆身组件4远端的钳口组件1。Focusing on FIGS. 1-2 , the clip applier in this embodiment includes an operating assembly, a shaft assembly 4 extending from the operating assembly, a transmission mechanism, and a jaw assembly 1 disposed at the distal end of the shaft assembly 4 .

操作组件包括壳体3和扳手2,扳手2可活动地安装在壳体3上。The operating assembly includes ahousing 3 and awrench 2 , and thewrench 2 is movably mounted on thehousing 3 .

重点参考图3,杆身组件4包括夹盒、基座402、推夹组件和套设于夹盒、基座402、推夹组件的套管401。基座402具有较强的刚性,基座402上设有收容推夹组件且供其轴向运动的导向槽4021,导向槽4021的远端设有导向斜面4022,导向斜面4022与轴向呈角度设置。基座402与夹盒安装在一起时,导向斜面4022朝向远端且向夹盒倾斜。在施夹前,夹子7放置于夹盒中,夹盒的侧壁上设有与导向斜面4022对应的开口,推夹组件的远端能从开口处进入夹盒中并在夹子7的后端抵接夹子7以推动其前进。具体而言,推夹组件包括弹性推杆403和连接在弹性推杆403远端的推夹块404。弹性推杆403由多个金属薄片叠合而成,具有弹性,可以弯曲。弹性推杆403和推夹块404能够在导向槽4021内轴向移动。Referring to FIG. 3 , the shaft assembly 4 includes a cartridge case, abase 402 , a push clip assembly and asleeve 401 sleeved on the cartridge case, thebase 402 , and the push clip assembly. Thebase 402 has strong rigidity. Thebase 402 is provided with aguide groove 4021 for receiving the push clamp assembly and for its axial movement. The distal end of theguide groove 4021 is provided with aguide slope 4022, which is at an angle to the axial direction. set up. When thebase 402 and the cartridge are installed together, the guidinginclined surface 4022 faces the distal end and is inclined toward the cartridge. Before clamping, theclip 7 is placed in the clip box, and the side wall of the clip box is provided with an opening corresponding to the guide inclinedsurface 4022, and the far end of the pushing clip assembly can enter the clip box from the opening and be placed on the rear end of theclip 7 Butt againstclip 7 to push it forward. Specifically, the push clip assembly includes anelastic push rod 403 and apush clip block 404 connected to the distal end of theelastic push rod 403 . Theelastic push rod 403 is formed by stacking a plurality of metal sheets, has elasticity and can be bent. Theelastic push rod 403 and thepush clamp block 404 can move axially in theguide groove 4021 .

重点参考图4,当弹性推杆403向远端移动至推夹块404抵触到导向斜面4022时,弹性推杆403开始弯曲,推夹块404沿着导向斜面4022倾斜地从夹盒开口处进入夹盒内,从而在夹盒内的夹子7的后端抵接夹子7来推动其前进,使得夹子7进入钳口组件1中。夹子7进入钳口组件1中后,弹性推杆403远端的推夹块404继续从夹子7的后端抵接夹子7,以防止夹子7在施夹过程中向近端(即向后)移动。钳口组件1闭合使得夹子7闭合,钳口组件1再次打开时,弹性推杆403在导向槽4021中沿轴向向近端运动,带动推夹块404沿着导向斜面4022从开口退回至导向槽4021中。在杆身组件4中设置有推夹驱动机构用以对弹性推杆403施力,推夹驱动机构能够推动弹性推杆403向远端(即向前)或近端移动。Referring to FIG. 4 , when theelastic push rod 403 moves to the distal end until thepush clamp block 404 touches theguide slope 4022, theelastic push rod 403 begins to bend, and thepush clamp block 404 obliquely enters from the opening of the cartridge along theguide slope 4022 In the cartridge box, the rear end of theclip 7 in the cartridge box abuts against theclip 7 to push it forward, so that theclip 7 enters the jaw assembly 1 . After theclip 7 enters the jaw assembly 1, thepush clip 404 at the far end of theelastic push rod 403 continues to abut theclip 7 from the rear end of theclip 7, so as to prevent theclip 7 from moving toward the proximal end (that is, backward) during clip application. move. The jaw assembly 1 is closed so that theclip 7 is closed. When the jaw assembly 1 is opened again, theelastic push rod 403 moves axially and proximally in theguide groove 4021, driving thepush clamp block 404 to retreat from the opening to the guide along theguide slope 4022.slot 4021. A push clip driving mechanism is provided in the shaft assembly 4 to apply force to theelastic push rod 403 , and the push clip driving mechanism can push theelastic push rod 403 to move distally (ie forward) or proximally.

参考图1-2,钳口组件1包括分别可枢转地相连于杆身组件4的第一钳臂101和第二钳臂102。传动机构包括钳口驱动机构。钳口驱动机构包括驱动管5和套管401。驱动管5收容于操作组件的壳体3内,套管401的近端与驱动管5连接,套管401的远端与钳口组件1相配合。具体而言,钳口组件1的两个钳臂之间具有弹性件,当套管401向远端移动时,钳口组件1能够从套管401的远端被收容于套管401内,此时弹性件被压缩,钳口组件1闭合,当套管401向近端移动时,钳口组件1能够从套管401的远端伸出,弹性件释放能量而使钳口组件1打开。弹性件可以选用弹簧。套管401也构成杆身组件4的一部分。Referring to FIGS. 1-2 , the jaw assembly 1 includes afirst pliers arm 101 and asecond pliers arm 102 pivotably connected to the shaft assembly 4 , respectively. The transmission mechanism includes a jaw driving mechanism. The jaw drive mechanism includes adrive tube 5 and asleeve 401 . The drivingtube 5 is accommodated in thehousing 3 of the operating assembly, the proximal end of thesleeve 401 is connected to the drivingtube 5 , and the distal end of thesleeve 401 is matched with the jaw assembly 1 . Specifically, there is an elastic member between the two arms of the jaw assembly 1. When thesleeve tube 401 moves to the distal end, the jaw assembly 1 can be accommodated in thesleeve tube 401 from the distal end of thesleeve tube 401. When the elastic member is compressed, the jaw assembly 1 is closed. When thesleeve 401 moves proximally, the jaw assembly 1 can protrude from the distal end of thesleeve 401, and the elastic releases energy to open the jaw assembly 1 . Elastic part can select spring for use. Thebushing 401 also forms part of the shaft assembly 4 .

扳手2的一端设有抵推部201,抵推部201位于壳体3内。在驱动管5的近端设有移动件12,抵推部201与移动件12远离驱动管5的一端相抵接。由此,通过按压扳手2,能够使抵推部201推动移动件12向远端移动,从而移动件12推动驱动管5和套管401向远端移动。One end of thewrench 2 is provided with a resistingportion 201 , and the resistingportion 201 is located in thehousing 3 . A movingpart 12 is provided at the proximal end of the drivingtube 5 , and the resistingpart 201 abuts against an end of the movingpart 12 away from the drivingtube 5 . Thus, by pressing thewrench 2 , the pushingpart 201 can push the movingpart 12 to move distally, so that the movingpart 12 pushes the drivingtube 5 and thecannula 401 to move distally.

驱动管5的外部套设有弹性体6。弹性体6的近端与驱动管5外表面上的挡块501抵接,弹性体6的远端与施夹钳的壳体3内壁抵接。当按压扳手2,使抵推部201推动驱动管5向远端移动时,能够使得套管401向远端移动以使第一钳臂101和第二钳臂102闭合,此时弹性体6储存能量。当松开扳手2时,弹性体6释放能量而使驱动管5向近端移动至复位,从而套管401向近端移动,以使第一钳臂101和第二钳臂102打开。本实施例中弹性体6可选用弹簧。Thedrive tube 5 is sheathed with anelastic body 6 . The proximal end of theelastic body 6 abuts against thestopper 501 on the outer surface of thedrive tube 5 , and the distal end of theelastic body 6 abuts against the inner wall of thehousing 3 of the clip applier. When thewrench 2 is pressed, the pushingpart 201 pushes the drivingtube 5 to move to the distal end, and thesleeve 401 can be moved to the distal end so that thefirst pliers arm 101 and thesecond pliers arm 102 are closed. At this time, theelastic body 6 is stored energy. When thewrench 2 is released, theelastic body 6 releases energy to make thedrive tube 5 move proximally to reset, so that thesleeve 401 moves proximally to open thefirst pliers arm 101 and thesecond pliers arm 102 . In this embodiment, theelastic body 6 can be a spring.

本实施例中,施夹钳还包括被作用件,被作用件可操作地位于钳口组件1中。本实施例中被作用件为夹子7。第一钳臂101和第二钳臂102之间可支撑一个夹子7。钳口组件1在打开状态和闭合状态之间切换。钳口组件1的打开状态包括打开到底状态,此时第一钳臂101和第二钳臂102的远端在上、下方向的距离最大。钳口组件1在闭合状态下,第一钳臂101和第二钳臂102的远端在上、下方向的距离最小,钳口组件1的闭合使得夹子7由打开状态转变为闭合状态。In this embodiment, the clip applier further includes an applied part, which is operatively located in the jaw assembly 1 . In this embodiment, the affected part is theclip 7 . Aclip 7 can be supported between thefirst tong arm 101 and thesecond tong arm 102 . The jaw assembly 1 is switched between an open state and a closed state. The open state of the jaw assembly 1 includes the state of opening to the bottom, at this time, the distance between the distal ends of thefirst pliers arm 101 and thesecond pliers arm 102 in the up and down direction is the largest. When the jaw assembly 1 is in the closed state, the distance between the distal ends of thefirst tong arm 101 and thesecond tong arm 102 in the up and down direction is the smallest, and the closing of the jaw assembly 1 makes theclip 7 change from the open state to the closed state.

参考图5,夹子7包括两个夹臂和位于两个夹臂之间的连接部706。两个夹臂即第一夹臂701和第二夹臂702。第一夹臂701与第二夹臂702可围绕连接部706彼此相对枢转。第一夹臂701远离连接部706的一端具有两个第一耳部703,一个第一耳部703设于第一夹臂701的一侧,另一个第一耳部703设于第一夹臂701相对的另一侧。第二夹臂702远离连接部706的一端具有卡合部705,第二夹臂702靠近卡合部705处设有两个第二耳部704,一个第二耳部704设于第二夹臂702的一侧,另一个第二耳部704设于第二夹臂702相对的另一侧。在施夹前,夹子7被放置于杆身组件4内的夹盒中,夹子7的第二耳部704能够和夹盒之间形成限位结构,以将夹子7夹持于夹盒中。Referring to FIG. 5 , theclip 7 includes two clip arms and a connectingportion 706 between the two clip arms. The two clamping arms are thefirst clamping arm 701 and thesecond clamping arm 702 . Thefirst clip arm 701 and thesecond clip arm 702 can pivot relative to each other around the connectingportion 706 . The end of thefirst clamping arm 701 away from the connectingportion 706 has twofirst ear portions 703, onefirst ear portion 703 is disposed on one side of thefirst clamping arm 701, and the otherfirst ear portion 703 is disposed on thefirst clamping arm 701 on the opposite side. The end of thesecond clamping arm 702 away from the connectingportion 706 has an engagingportion 705, thesecond clamping arm 702 is provided with twosecond ear portions 704 near the engagingportion 705, and onesecond ear portion 704 is arranged on thesecond clamping arm 702 , anothersecond ear portion 704 is disposed on the opposite side of thesecond clip arm 702 . Before clamping, theclip 7 is placed in the clip box in the shaft assembly 4 , and thesecond ear portion 704 of theclip 7 can form a limiting structure with the clip box, so as to clamp theclip 7 in the clip box.

在施夹时,弹性推杆403远端的推夹块404将夹子7推至钳口组件1中,使得夹子7的两个第一耳部703可操作的位于第一钳臂101中,两个第二耳部704可操作的位于第二钳臂102中。夹子7夹持于钳口组件1中后,闭合钳口组件1以闭合夹子7,再打开钳口组件1以使夹子7与钳口组件1脱离,即完成施夹。具体而言,第一钳臂101和第二钳臂102闭合时,带动钳口组件1中的夹子7由打开状态转变为闭合状态。在夹子7处于闭合状态时,第二夹臂702的卡合部705能够卡合于第一夹臂701的两个第一耳部703之间,以使得第一夹臂701和第二夹臂702充分夹紧,从而被置于第一夹臂701和第二夹臂702之间的血管或组织能被有效夹紧、止血。When clamping, thepush clamp block 404 at the far end of theelastic push rod 403 pushes theclamp 7 into the jaw assembly 1, so that the twofirst ears 703 of theclamp 7 are operatively located in thefirst clamp arm 101, and the two Asecond ear 704 is operatively located in thesecond arm 102 of the forceps. After theclip 7 is clamped in the jaw assembly 1, the jaw assembly 1 is closed to close theclip 7, and then the jaw assembly 1 is opened to disengage theclip 7 from the jaw assembly 1, and the clip application is completed. Specifically, when thefirst pliers arm 101 and thesecond pliers arm 102 are closed, theclip 7 in the jaw assembly 1 is driven to change from an open state to a closed state. When theclip 7 is in the closed state, the engagingportion 705 of thesecond clamping arm 702 can be engaged between the twofirst ear portions 703 of thefirst clamping arm 701, so that thefirst clamping arm 701 and thesecond clamping arm 702 is sufficiently clamped, so that the blood vessel or tissue placed between thefirst clamping arm 701 and thesecond clamping arm 702 can be clamped effectively to stop bleeding.

由于在施夹前,夹子7被放置于施夹钳的杆身组件4中的夹盒中。受限于夹盒的尺寸和内部空间,夹子7被压缩后存储在夹盒中。被压缩是指夹子7的两个夹臂相互靠近,但未卡合。由于夹子7自装配至夹盒后至使用会持续一段时间,这段时间的被压缩,使得夹子7被推出至钳口组件1中后,仍然有保持被压缩后形状的趋势,对其使用造成了一定的影响。Because before clamping, theclip 7 is placed in the clip box in the shaft assembly 4 of the clip applier. Limited by the size and internal space of the cartridge, theclip 7 is stored in the cartridge after being compressed. Compressed means that the two arms of theclip 7 are close to each other, but not engaged. Since theclip 7 will continue to be used for a period of time since it is assembled into the clip box, the compression during this period will make theclip 7 still tend to maintain its compressed shape after being pushed out into the jaw assembly 1, which will cause serious damage to its use. had a certain impact.

图6为现有技术中的施夹钳的钳口组件,其第一钳臂101的结构与第二钳臂102的结构相同,本发明着重描述其第二钳臂102的结构。Fig. 6 is a jaw assembly of a clip applier in the prior art, the structure of thefirst tong arm 101 is the same as that of thesecond tong arm 102, and the present invention focuses on the structure of thesecond tong arm 102.

第二钳臂102包括底部105、设置于底部105一侧的一个侧部106、设置于底部另一侧的另一个侧部106。第二钳臂102的远端对应于第二夹臂702的两个第二耳部704设置有两个凹陷部104,一个凹陷部104设置于第二钳臂102的一个侧部106,另一个凹陷部104设置于第二钳臂102的另一个侧部106。弹性推杆403远端的推夹块404将夹子7从杆身组件4的夹盒中被推至钳口组件1中后,每一个第一耳部703均容置于第一钳臂101中与其对应的凹陷部104内,每一个第二耳部704均容置于第二钳臂102中与其对应的凹陷部104内。为了克服夹子7被推出后仍然保持压缩后形状而影响其使用的技术问题,现有技术中的施夹钳,在第一钳臂101内设置了两个止挡件103,以分别与两个第一耳部703相配合。在第二钳臂102内也设置了两个止挡件103,以分别与两个第二耳部704相配合。每一个止挡件103均是具有弹性的。Thesecond tong arm 102 includes a bottom 105 , aside 106 disposed on one side of the bottom 105 , and anotherside 106 disposed on the other side of the bottom. The far end of thesecond clamp arm 102 is provided with tworecesses 104 corresponding to the twosecond ears 704 of thesecond clamp arm 702, onerecess 104 is arranged on aside 106 of thesecond clamp arm 102, and the other Theconcave portion 104 is disposed on theother side portion 106 of thesecond pliers arm 102 . After theclamp block 404 at the far end of theelastic push rod 403 pushes theclip 7 from the clip box of the shaft assembly 4 into the jaw assembly 1, eachfirst ear 703 is accommodated in thefirst clamp arm 101 Eachsecond ear portion 704 is accommodated in the correspondingconcave portion 104 of thesecond forceps arm 102 in the correspondingconcave portion 104 . In order to overcome the technical problem that theclip 7 still maintains its compressed shape after being pushed out and affects its use, the clip applier in the prior art is provided with twostoppers 103 in thefirst pliers arm 101, so as to correspond to the twostoppers 103 respectively. Thefirst ear portion 703 cooperates. Twostoppers 103 are also provided in thesecond pliers arm 102 to cooperate with the twosecond ear portions 704 respectively. Eachstopper 103 is elastic.

第二钳臂102中的每一个止挡件103大体上沿第二钳臂102的延伸方向设置。一个止挡件103靠近第二钳臂102的一个侧部106设置,且其近端与该侧部106固定连接,远端可上下活动。另一个止挡件103靠近第二钳臂102的另一个侧部106设置,且其近端与该侧部106固定连接,远端可上下活动。每一个止挡件103和第二钳臂102的底部105之间构成了导向空间。由此,夹子7在钳口组件1中运动时,第一夹臂701大体上在第一钳臂101中的两个止挡件103之间移动,第一夹臂701的每一个第一耳部703在与其对应的导向空间内移动。同样的,夹子7在钳口组件1中运动时,第二夹臂702大体上在第二钳臂102中的两个止挡件103之间移动,第二夹臂702的每一个第二耳部704在与其对应的导向空间内移动。从而,第一钳臂101中的每一个止挡件103能在第一夹臂701向远端移动的过程中对与其对应的第一耳部703起到止挡作用,第二钳臂102中的每一个止挡件103能在第二夹臂702向远端移动的过程中对与其对应的第二耳部704起到止挡作用,使得第一夹臂701和第二夹臂702能够逐渐展开至恢复其打开形状,从而克服夹子7被推出后仍然保持压缩后形状而影响其使用的技术问题。当每一个第一耳部703运动至第一钳臂101中与其对应的凹陷部104内,同时每一个第二耳部704运动至第二钳臂102中与其对应的凹陷部104内时,每一个止挡件103的远端与其所在钳臂中的与其对应的耳部相抵接,以将夹子7稳定的夹持于钳口组件1中。Eachstopper 103 in thesecond pliers arm 102 is generally arranged along the extending direction of thesecond pliers arm 102 . Astopper 103 is disposed close to aside 106 of thesecond pliers arm 102 , and its proximal end is fixedly connected to theside 106 , and its distal end can move up and down. Anotherstopper 103 is disposed close to theother side 106 of thesecond pliers arm 102 , and its proximal end is fixedly connected to theside 106 , and its distal end can move up and down. A guiding space is formed between eachstopper 103 and thebottom 105 of thesecond pliers arm 102 . Thus, when theclip 7 moves in the jaw assembly 1, thefirst clamp arm 701 generally moves between the twostoppers 103 in thefirst clamp arm 101, and each first ear of thefirst clamp arm 701 Thepart 703 moves in the guide space corresponding thereto. Similarly, when theclip 7 moves in the jaw assembly 1, thesecond clamp arm 702 generally moves between the twostoppers 103 in thesecond clamp arm 102, and each second ear of thesecond clamp arm 702 Thepart 704 moves in the guide space corresponding thereto. Therefore, eachstopper 103 in thefirst pliers arm 101 can act as a stopper for the correspondingfirst ear 703 in the process of thefirst pliers arm 701 moving to the distal end, and thesecond pliers arm 102 Eachstopper 103 of thesecond clamping arm 702 can act as a stopper for the correspondingsecond ear 704 in the process of moving thesecond clamping arm 702 to the distal end, so that thefirst clamping arm 701 and thesecond clamping arm 702 can gradually Expand to restore its open shape, thereby overcoming the technical problem that theclip 7 still maintains its compressed shape after being pushed out and affects its use. When eachfirst ear 703 moves into itscorresponding recess 104 in thefirst pliers arm 101 and at the same time eachsecond ear 704 moves into itscorresponding recess 104 in thesecond pliers arm 102, each The distal end of astopper 103 abuts against its corresponding ear in the pliers arm, so as to clamp theclip 7 stably in the jaw assembly 1 .

现有技术中的施夹钳,第一钳臂101中的止挡件103的近端和与其对应的侧部106固定连接,止挡件103不能沿第一钳臂101的延伸方向运动,即止挡件103不能朝向近端或远端运动。同样的,第二钳臂102中的止挡件103也不能朝向近端或远端运动。由此,当钳口组件1闭合使得第一夹臂701和第二夹臂702闭合而使夹子7夹持于组织或血管上后,容易发生第一耳部703与止挡件103未脱离以及第二耳部704与止挡件103未脱离的现象,从而在钳口组件1打开时,止挡件103会对夹子7的夹臂产生作用力,导致夹子7难以从钳口组件1中脱离,从而夹子7对组织或血管造成撕扯,增加了微创手术的风险。In the clip applier in the prior art, the proximal end of thestopper 103 in thefirst pliers arm 101 is fixedly connected to thecorresponding side part 106, and thestopper 103 cannot move along the extension direction of thefirst pliers arm 101, that is, Thestopper 103 cannot move towards the proximal end or the distal end. Likewise, thestopper 103 in thesecond pliers arm 102 cannot move toward the proximal end or the distal end. Therefore, when the jaw assembly 1 is closed so that thefirst clamping arm 701 and thesecond clamping arm 702 are closed so that theclip 7 is clamped on the tissue or blood vessel, thefirst ear 703 is not separated from thestopper 103 and the The phenomenon that thesecond ear portion 704 is not separated from thestopper 103, so that when the jaw assembly 1 is opened, thestopper 103 will exert force on the clamp arm of theclip 7, making it difficult for theclip 7 to disengage from the jaw assembly 1 , so that theclip 7 causes tearing of the tissue or blood vessel, which increases the risk of minimally invasive surgery.

为了克服现有技术中夹子7难以从钳口组件1中脱离的技术问题,本实施例对施夹钳进行了改进。In order to overcome the technical problem that theclip 7 is difficult to disengage from the jaw assembly 1 in the prior art, this embodiment improves the clip applier.

参考图7-9,本实施例中,钳口组件1具有止挡件103和释放机构,止挡件103能和夹子抵接而使夹子保持于钳口组件1。由于止挡件103的限制,夹子难以脱离钳口组件1。因此,本实施例设置钳口组件1具有释放机构,释放机构能够驱动止挡件103移动,以使止挡件103与夹子脱离,从而能够解除止挡件103对夹子的限制作用,使夹子处于可脱离钳口组件的状态。夹子处于可脱离钳口组件的状态,是指被夹子不再受止挡件的限制,在被夹持物(组织或血管)的作用下可以自钳口组件1脱离,从而不会对被夹持物带来损伤。Referring to FIGS. 7-9 , in this embodiment, the jaw assembly 1 has astopper 103 and a release mechanism, and thestopper 103 can abut against the clip to keep the clip on the jaw assembly 1 . Due to the limitation of thestopper 103 , it is difficult for the clip to disengage from the jaw assembly 1 . Therefore, in this embodiment, the jaw assembly 1 is provided with a release mechanism, which can drive thestopper 103 to move, so that thestopper 103 is separated from the clip, so that the restriction of thestopper 103 on the clip can be released, and the clip is in the The state of the jaw assembly can be disengaged. The clip is in the state of being detachable from the jaw assembly, which means that the clip is no longer restricted by the stopper, and can be detached from the jaw assembly 1 under the action of the clamped object (tissue or blood vessel), so that it will not affect the clamped object. cause damage.

本实施例中,第一钳臂101的结构与第二钳臂102的结构相同,本实施例着重描述第一钳臂101的结构。In this embodiment, the structure of thefirst tong arm 101 is the same as that of thesecond tong arm 102 , and this embodiment focuses on the structure of thefirst tong arm 101 .

重点参考图10、13、14,第一钳臂101具有底部105和两个侧部106,一个侧部106设于底部105的一侧,另一个侧部106设于底部105的另一侧。底部105和两个侧部106使得第一钳臂101的横截面大致为U形。10 , 13 , 14 , thefirst pliers arm 101 has a bottom 105 and twosides 106 , oneside 106 is set on one side of the bottom 105 , and theother side 106 is set on the other side of the bottom 105 . Thebase 105 and the twosides 106 make the cross-section of thefirst pliers arm 101 substantially U-shaped.

重点参考图10-14,为了使夹子7的第一耳部703能够更好的容置于第一钳臂101中,在第一钳臂101的远端设置有两个凹陷部104。一个凹陷部104设置于一个侧部106,另一个凹陷部104设置于另一个侧部106。一个第一耳部703能够可操作的容置于第一钳臂101的一个凹陷部104中,另一个第一耳部703能够可操作的容置于第一钳臂101的另一个凹陷部104中。同样的,一个第二耳部704能够可操作的容置于第二钳臂102的一个凹陷部104中,另一个第二耳部704能够可操作的容置于第二钳臂102的另一个凹陷部104中。Referring to FIGS. 10-14 , in order to better accommodate thefirst ear portion 703 of theclip 7 in thefirst pliers arm 101 , tworecesses 104 are provided at the distal end of thefirst pliers arm 101 . Oneconcave portion 104 is disposed on oneside portion 106 , and the otherconcave portion 104 is disposed on theother side portion 106 . Onefirst ear 703 can be operatively accommodated in onerecess 104 of thefirst pliers arm 101 , and the otherfirst ear 703 can be operatively accommodated in theother recess 104 of thefirst pliers arm 101 middle. Similarly, asecond ear 704 can be operatively received in arecess 104 of thesecond pliers arm 102 , and anothersecond ear 704 can be operably received in theother recess 104 of thesecond pliers arm 102 . In the recessedportion 104 .

参考图10-12,第一钳臂101的每一个侧部106中均安装有一个止挡件103。重点参考图13,第一钳臂101的每一个侧部106的内壁均开设有滑槽107,每个滑槽107大体上沿其所在的侧部106的延伸方向设置。重点参考图13-14,第二钳臂102的每一个侧部106的内壁均开设有滑槽107,每个滑槽107大体上沿其所在的侧部106的延伸方向设置。具体而言,参考图17,每一个止挡件103包括安装部1032和限位部1033,安装部1032安装于与其对应的侧部106的滑槽107中,限位部1033位于与其对应的滑槽107的外部,限位部1033与底部105之间构成导向空间。对于第一钳臂101中的每个止挡件103,其限位部1033均与第一钳臂101的底部105之间构成了与第一耳部703相配合的导向空间,每一个止挡件103的安装部1032能在其所在的滑槽107中滑动,使得止挡件103整体能够在第一钳臂101的远端和近端之间滑动。同样的,对于第二钳臂102中的每个止挡件103,其限位部1033均与第二钳臂102的底部105之间构成了与第二耳部704相配合的导向空间,每一个止挡件103也能够在第二钳臂102的远端和近端之间滑动。Referring to FIGS. 10-12 , astopper 103 is installed in eachside 106 of thefirst pliers arm 101 . Referring to FIG. 13 , the inner wall of eachside portion 106 of thefirst pliers arm 101 is provided with a slidingslot 107 , and each slidingslot 107 is generally arranged along the extending direction of theside portion 106 where it is located. 13-14 , the inner wall of eachside portion 106 of thesecond tong arm 102 is provided with a slidinggroove 107 , and each slidinggroove 107 is generally arranged along the extending direction of theside portion 106 where it is located. Specifically, referring to FIG. 17 , eachstopper 103 includes a mountingportion 1032 and a limitingportion 1033, the mountingportion 1032 is installed in the slidinggroove 107 of thecorresponding side portion 106, and the limitingportion 1033 is located in the corresponding slidinggroove 107. Outside thegroove 107 , a guiding space is formed between the limitingportion 1033 and the bottom 105 . For eachstopper 103 in thefirst pliers arm 101, a guide space matched with thefirst ear portion 703 is formed between its limitingportion 1033 and thebottom 105 of thefirst pliers arm 101, and each stopper The mountingpart 1032 of thepiece 103 can slide in theslot 107 where it is located, so that thestopper 103 as a whole can slide between the distal end and the proximal end of thefirst forceps arm 101 . Similarly, for eachstopper 103 in thesecond pliers arm 102, a guiding space matched with thesecond ear portion 704 is formed between the limitingportion 1033 and thebottom 105 of thesecond pliers arm 102. Astop 103 is also slidable between the distal and proximal ends of thesecond pliers arm 102 .

当钳口组件1处于打开状态时,每一个止挡件103的安装部1032的远端从其所在的滑槽107的远端伸出,使得滑槽107不会对止挡件103的安装部1032的远端产生上、下方向的限位,使得每一个止挡件103的远端能够上、下活动。具体的,参考图14,第二钳臂102的每个侧部106的内壁均设置有缺口108,缺口108设置于滑槽107的远端,止挡件103的安装部1032的远端从滑槽107的远端伸出而位于缺口108的上方。缺口108的设置使第二钳臂102的侧部106的内壁能避让止挡件103的安装部1032,使得第二钳臂102的侧部106不会对止挡件103的安装部1032的远端产生上、下方向的限位。同样的,第一钳臂101的侧部106也不会对止挡件103的安装部1032的远端产生上、下方向的限位。When the jaw assembly 1 was in the open state, the far end of the mountingportion 1032 of eachstopper 103 stretched out from the far end of thechute 107 where it was located, so that thechute 107 would not interfere with the mountingportion 103 of thestopper 103. The distal end of 1032 produces a limit in the up and down direction, so that the distal end of eachstopper 103 can move up and down. Specifically, referring to FIG. 14 , the inner wall of eachside portion 106 of thesecond pliers arm 102 is provided with anotch 108, thenotch 108 is arranged at the far end of theslide groove 107, and the far end of the mountingpart 1032 of thestopper 103 is moved from the slide The distal end of theslot 107 protrudes above thenotch 108 . The setting of thegap 108 makes the inner wall of theside part 106 of thesecond pliers arm 102 avoid theinstallation part 1032 of thestopper 103, so that theside part 106 of thesecond tong arm 102 will not be far away from theinstallation part 1032 of thestopper 103. The end generates the limit in the up and down direction. Similarly, theside portion 106 of thefirst pliers arm 101 does not limit the distal end of theinstallation portion 1032 of thestopper 103 in the up and down direction.

每一个止挡件103均是具有弹性的,即,止挡件103的安装部1032和限位部1033均是具有弹性的。本实施例中止挡件103的安装部1032和限位部1033是一体的。止挡件103具有弹性是指,止挡件103的材质具有弹性,材质包括但不限于金属。由于止挡件103具有弹性,因此夹子7的耳部在与其对应的导向空间内移动时能够受到限位部1033的约束,使夹子7在向远方移动的过程中能够保持在导向空间内,使得第一夹臂701和第二夹臂702能够逐渐展开至恢复其打开形状。由于在钳口组件1处于打开状态时,止挡件103的远端(能够上、下活动,从而限位部1033能够为与其对应的耳部让出空间使其顺利离开导向空间并进入钳臂的凹陷部104内。当每一个第一耳部703进入与其对应的凹陷部104内,同时每一个第二耳部704进入与其对应的凹陷部104内时,每一个止挡件103的远端和与其对应的耳部相抵。Eachstopper 103 is elastic, that is, theinstallation part 1032 and the limitingpart 1033 of thestopper 103 are elastic. In this embodiment, theinstallation part 1032 and the limitingpart 1033 of thestopper 103 are integrated. The elasticity of thestopper 103 means that the material of thestopper 103 is elastic, and the material includes but not limited to metal. Due to the elasticity of thestopper 103, the ears of theclip 7 can be constrained by thestopper 1033 when moving in the corresponding guide space, so that theclip 7 can be kept in the guide space in the process of moving far away, so that Thefirst clamping arm 701 and thesecond clamping arm 702 can gradually expand to recover their open shape. Because when the jaw assembly 1 is in the open state, the distal end (can move up and down) of thestopper 103, so that thestopper 1033 can make space for the ear corresponding to it to leave the guide space smoothly and enter the pliers arm In the recessedportion 104. When eachfirst ear portion 703 enters its corresponding recessedportion 104, and eachsecond ear portion 704 enters its corresponding recessedportion 104, the distal end of eachstopper 103 offset against the corresponding ear.

由于每一个止挡件103能够在与其对应的钳臂的远端和近端之间滑动,因此,在钳口组件1闭合以闭合夹子7时,每一个止挡件103能够向钳口组件1的近端移动以远离夹子7的耳部,由此解除止挡件103对耳部的限制作用,从而在钳口组件1打开时,止挡件103不会对夹子7的夹臂产生作用力。Since eachstopper 103 can slide between the distal end and the proximal end of its corresponding pliers arm, eachstopper 103 can move towards the jaw assembly 1 when the jaw assembly 1 is closed to close theclip 7 . The proximal end moves away from the ear of theclip 7, thereby releasing the restriction of thestopper 103 to the ear, so that when the jaw assembly 1 is opened, thestopper 103 will not exert force on the clamp arm of theclip 7 .

为了带动止挡件103移动,本实施例钳口组件1设置有释放机构。以图1中施夹钳的放置角度作为参考,钳口组件1沿第二方向具有相对的第一侧和第二侧。第二方向为垂直于纸面的方向,第二方向垂直于套管401的轴向。In order to drive thestopper 103 to move, the jaw assembly 1 of this embodiment is provided with a release mechanism. Referring to the placement angle of the clip applier in FIG. 1 as a reference, the jaw assembly 1 has opposite first and second sides along the second direction. The second direction is a direction perpendicular to the paper, and the second direction is perpendicular to the axial direction of thesleeve 401 .

本实施例在钳口组件1的第一侧和第二侧均设置有释放机构。In this embodiment, a release mechanism is provided on both the first side and the second side of the jaw assembly 1 .

重点参考图7-11,每一个释放机构包括两个释放元件8。每一个释放机构中的两个释放元件8位于钳口组件1的同一侧。对于位于钳口组件1同一侧的两个释放元件8,其中一个释放元件8的远端与第一钳臂101的侧部106通过第二销轴10枢转连接,另一个释放元件8的远端与第二钳臂102的侧部106通过第三销轴11枢转连接,由此使得与第一钳臂101连接的释放元件8能够绕第二销轴10转动,与第二钳臂102连接的释放元件8能够绕第三销轴11转动。With emphasis on FIGS. 7-11 , each release mechanism comprises tworelease elements 8 . The tworelease elements 8 in each release mechanism are located on the same side of the jaw assembly 1 . For the tworelease elements 8 on the same side of the jaw assembly 1, the far end of onerelease element 8 is pivotally connected to theside 106 of thefirst pliers arm 101 through thesecond pin shaft 10, and the far end of theother release element 8 end and theside 106 of thesecond pliers arm 102 are pivotally connected through thethird pin 11, so that therelease element 8 connected to thefirst pliers arm 101 can rotate around thesecond pin 10, and thesecond pliers arm 102 The connectedrelease element 8 is rotatable about athird pin 11 .

释放机构还包括第一销轴9。位于钳口组件1同一侧的两个释放元件8的近端通过第一销轴9实现枢转连接,由此使得两个释放元件8的近端均能够绕第一销轴9转动。具体而言,第一销轴9依次穿过两个释放元件8的近端,即,两个释放元件8是叠放的,从而能够使两个释放元件8的转动能够更加灵活而不会产生相互间的干涉。重点参考图10-11、图18,其中一个释放元件8设置于第一钳臂101的侧部106的外壁,另一个释放元件8设于第二钳臂102的侧部106的外壁。与第二钳臂102连接的释放元件8叠放于与第一钳臂101连接的释放元件8。对于与第二钳臂102连接的释放元件8,其与第二钳臂102侧部106的外壁之间沿第二方向具有第一预设距离S,以适应于与第一钳臂101连接的释放元件8的安装,由此与第二钳臂102连接的释放元件8不会挤压与第一钳臂101连接的释放元件8,避免两个释放元件8在转动时相互产生干涉。与第二钳臂102连接的释放元件8,其远端通过第三销轴11与第二钳臂102连接,通过调整第三销轴11,能够使得释放元件8的远端与第二钳臂102之间具有第一预设距离S。The release mechanism also includes a first pin 9 . The proximal ends of the tworelease elements 8 on the same side of the jaw assembly 1 are pivotally connected through the first pin shaft 9 , so that the proximal ends of the tworelease elements 8 can both rotate around the first pin shaft 9 . Specifically, the first pin shaft 9 passes through the proximal ends of the tworelease elements 8 sequentially, that is, the tworelease elements 8 are stacked, so that the rotation of the tworelease elements 8 can be more flexible without causing mutual interference. 10-11 and FIG. 18 , onerelease element 8 is disposed on the outer wall of theside 106 of thefirst pliers arm 101 , and theother release element 8 is disposed on the outer wall of theside 106 of thesecond pliers arm 102 . Therelease element 8 connected to thesecond pliers arm 102 is stacked on therelease element 8 connected to thefirst pliers arm 101 . For therelease element 8 connected with thesecond pliers arm 102, there is a first preset distance S along the second direction between it and the outer wall of theside part 106 of thesecond pliers arm 102, so as to be suitable for therelease element 8 connected with thefirst pliers arm 101. With the installation of therelease element 8, therelease element 8 connected to thesecond pliers arm 102 will not press therelease element 8 connected to thefirst pliers arm 101, so as to prevent the tworelease elements 8 from interfering with each other when rotating. Therelease element 8 that is connected with thesecond pincer arm 102, its distal end is connected with thesecond pincer arm 102 by thethird pin shaft 11, by adjusting thethird pin shaft 11, the far end of therelease element 8 can be connected with the second pincer arm There is a first preset distance S between 102 .

由于第二销轴10和第三销轴11分别固定于第一钳臂101和第二钳臂102上,第一钳臂101和第二钳臂102能够分别带动两个释放元件8的远端运动,从而使得两个释放元件8的近端移动。具体而言,钳口组件1的第一钳臂101和第二钳臂102可枢转地相连于杆身组件4,每个钳臂的近端具有枢转点,每个钳臂的近端通过其枢转点联接至杆身组件4,第一钳臂101绕其枢转点转动,第二钳臂102也绕其枢转点转动,使得第一钳臂101和第二钳臂102闭合或打开。重点参考图16,响应于钳口组件1的闭合或打开,每一个释放元件8的远端绕其所在钳臂的枢转点运动,同步地,每一个释放元件8的近端沿第一方向移动。每一个释放元件8的远端的运动轨迹为弧形。以图1中施夹钳的放置方向和角度为参考,第一方向大体上和套管401的轴向平行。Since thesecond pin shaft 10 and thethird pin shaft 11 are respectively fixed on thefirst pincer arm 101 and thesecond pincer arm 102, thefirst pincer arm 101 and thesecond pincer arm 102 can respectively drive the distal ends of the tworelease elements 8 movement, thereby causing the proximal ends of the tworelease elements 8 to move. Specifically, thefirst pliers arm 101 and thesecond pliers arm 102 of the jaw assembly 1 are pivotably connected to the shaft assembly 4, the proximal end of each pliers arm has a pivot point, and the proximal end of each pliers arm Coupled to the shaft assembly 4 through its pivot point, thefirst pliers arm 101 rotates around its pivot point, and thesecond pliers arm 102 also rotates around its pivot point, so that thefirst pliers arm 101 and thesecond pliers arm 102 are closed or open. 16, in response to the closing or opening of the jaw assembly 1, the distal end of eachrelease element 8 moves around the pivot point of the pincer arm where it is located, and synchronously, the proximal end of eachrelease element 8 moves along the first direction. move. The movement track of the distal end of eachrelease element 8 is arc-shaped. Referring to the placement direction and angle of the clip applier in FIG. 1 , the first direction is substantially parallel to the axial direction of thesleeve 401 .

重点参考图16,响应于钳口组件1的闭合,两个释放元件8的远端相互靠近运动,每一个释放元件8的近端能够沿第一方向朝向钳口组件1的近端移动而产生位移d。16, in response to the closing of the jaw assembly 1, the distal ends of the tworelease elements 8 move closer to each other, and the proximal end of eachrelease element 8 can move toward the proximal end of the jaw assembly 1 along a first direction to generate displacement d.

具体而言,重点参考图7-8,第一钳臂101位于第二钳臂102的上方,钳口组件1闭合时,与第一钳臂101连接的每个释放元件8的远端均大体向下移动,与第二钳臂102连接的每个释放元件8的远端均大体向上移动,每一个释放元件8的近端均沿第一方向朝向钳口组件1的近端移动。钳口组件1打开时,与第一钳臂101连接的每个释放元件8的远端均大体向上移动以复位,与第二钳臂102连接的每个释放元件8的远端均大体向下移动以复位,每一个释放元件8的近端均沿第一方向朝向钳口组件1的远端移动以复位。7-8, thefirst pliers arm 101 is located above thesecond pliers arm 102, and when the jaw assembly 1 is closed, the distal end of eachrelease element 8 connected to thefirst pliers arm 101 is substantially Moving downward, the distal end of eachrelease element 8 connected to thesecond pliers arm 102 generally moves upward, and the proximal end of eachrelease element 8 moves toward the proximal end of the jaw assembly 1 along the first direction. When the jaw assembly 1 is opened, the distal end of eachrelease element 8 connected to thefirst pliers arm 101 is generally moved upwards for reset, and the distal end of eachrelease element 8 connected to thesecond pliers arm 102 is generally downwards. To move to reset, the proximal end of eachrelease element 8 moves toward the distal end of the jaw assembly 1 along the first direction to reset.

重点参考图7、12,第一钳臂101中的一个止挡件103与第一钳臂101一侧的释放机构可操作地配合,另一个止挡件103与第一钳臂101另一侧的释放机构可操作地配合。第二钳臂102中的一个止挡件103与第二钳臂102一侧的释放机构可操作地配合,另一个止挡件103与第二钳臂102另一侧的释放机构可操作地配合。具体而言,靠近钳口组件1第一侧的每一个止挡件103和位于钳口组件1第一侧的至少一个释放元件8的近端可操作地配合,靠近钳口组件1第二侧的每一个止挡件103和位于钳口组件1第二侧的至少一个释放元件8的近端可操作地配合。由此,每一个释放元件8的近端朝向钳口组件1的近端移动时,能够带动每一个止挡件103朝向钳口组件1的近端移动,以使得止挡件103能够和与其对应的耳部脱离,进而解除其对耳部的限制,使得夹子7能够脱离钳臂。7 and 12, onestopper 103 in thefirst pliers arm 101 is operatively engaged with the release mechanism on one side of thefirst pliers arm 101, and theother stopper 103 is operatively engaged with the release mechanism on the other side of thefirst pliers arm 101. The release mechanism is operably engaged. Onestopper 103 in thesecond pliers arm 102 is operatively engaged with the release mechanism on one side of thesecond pliers arm 102 , and theother stopper 103 is operatively engaged with the release mechanism on the other side of thesecond pliers arm 102 . Specifically, eachstop member 103 adjacent to the first side of the jaw assembly 1 is operatively engaged with the proximal end of at least onerelease member 8 located on the first side of the jaw assembly 1, adjacent to the second side of the jaw assembly 1 Eachstopper 103 of the jaw assembly 1 is operatively engaged with the proximal end of at least onerelease element 8 located on the second side of the jaw assembly 1 . Thus, when the proximal end of eachrelease element 8 moves toward the proximal end of the jaw assembly 1, it can drive eachstopper 103 to move toward the proximal end of the jaw assembly 1, so that thestopper 103 can correspond to it. The ears of the clamps are disengaged, and then the restriction on the ears is released, so that theclip 7 can be separated from the arms of the forceps.

重点参考图7、9、15,第一钳臂101中的每一个止挡件103与第二钳臂102中与之对应的止挡件103相连接,具体的,第一钳臂101中靠近钳口组件1第一侧的止挡件103的近端与第二钳臂102中靠近钳口组件1第一侧的止挡件103的近端相连接,由此,靠近钳口组件1第一侧的两个止挡件103的近端形成了一个铰接部1031。铰接部1031可以为如图15所示的一体成型的弧形,也可以采用包括铰链在内的形式铰接。本实施例中铰接部1031为一体成型的弧形,即第一钳臂101中的每一个止挡件103与第二钳臂102中与之对应的止挡件103是一体的。同样的,第一钳臂101中靠近钳口组件1第二侧的止挡件103的近端和第二钳臂102中靠近钳口组件1第二侧的止挡件103的近端连接为一体。由此,靠近钳口组件1第二侧的两个止挡件103的近端也形成了一个同样结构的铰接部1031。7, 9, and 15, eachstopper 103 in thefirst pliers arm 101 is connected to thecorresponding stopper 103 in thesecond pliers arm 102, specifically, thefirst pliers arm 101 is close to The proximal end of thestopper 103 on the first side of the jaw assembly 1 is connected to the proximal end of thestopper 103 near the first side of the jaw assembly 1 in thesecond pliers arm 102, thereby, the The proximal ends of the twostoppers 103 on one side form ahinge portion 1031 . Thehinge part 1031 may be an integrally formed arc as shown in FIG. 15 , or may be hinged in a form including a hinge. In this embodiment, thehinge portion 1031 is integrally formed in an arc shape, that is, eachstopper 103 in thefirst pliers arm 101 is integrated with thecorresponding stopper 103 in thesecond pliers arm 102 . Similarly, the proximal end of thestopper 103 near the second side of the jaw assembly 1 in thefirst pliers arm 101 is connected to the proximal end of thestopper 103 near the second side of the jaw assembly 1 in thesecond pliers arm 102 as One. Thus, the proximal ends of the twostoppers 103 near the second side of the jaw assembly 1 also form ahinge portion 1031 with the same structure.

由于钳口组件1的第一侧和第二侧均设置释放机构,因此,钳口组件1的第一侧和第二侧均设有第一销轴9。位于钳口组件1第一侧的第一销轴9与靠近钳口组件1第一侧的铰接部1031可操作地配合,位于钳口组件1第二侧的第一销轴9与靠近钳口组件1第二侧的铰接部1031可操作地配合。Since both the first side and the second side of the jaw assembly 1 are provided with a release mechanism, the first side and the second side of the jaw assembly 1 are both provided with a first pin shaft 9 . The first pin shaft 9 located on the first side of the jaw assembly 1 is operatively matched with thehinge portion 1031 near the first side of the jaw assembly 1, and the first pin shaft 9 located on the second side of the jaw assembly 1 is operatively matched with thehinge portion 1031 near the first side of the jaw assembly 1. Thehinge 1031 on the second side of the assembly 1 is operatively fitted.

具体的,位于钳口组件1第一侧的第一销轴9与靠近钳口组件1第一侧的铰接部1031的配合方式为:位于钳口组件1第一侧的第一销轴9朝向靠近钳口组件1第一侧的铰接部1031延伸,使得第一销轴9至少部分的位于靠近钳口组件1第一侧的两个止挡件103之间,在钳口组件1打开状态时,第一销轴9与铰接部1031之间具有第二预设距离,由此,当钳口组件1闭合时,释放元件8带动第一销轴9向近端移动时,第一销轴9能够移动至与靠近钳口组件1第一侧的铰接部1031相抵接,进而带动该铰接部1031向近端移动。位于钳口组件1第二侧的第一销轴9与靠近钳口组件1第二侧的铰接部1031的配合方式和上述配合方式相同,此处不再赘述。需要说明的是,本实施例中第一销轴9与对应的铰接部1031之间具有第二预设距离,第二预设距离可以为0。Specifically, the first pin shaft 9 on the first side of the jaw assembly 1 cooperates with thehinge portion 1031 close to the first side of the jaw assembly 1 in such a way that the first pin shaft 9 on the first side of the jaw assembly 1 faces Thehinge portion 1031 near the first side of the jaw assembly 1 extends so that the first pin 9 is at least partially located between the twostoppers 103 near the first side of the jaw assembly 1 when the jaw assembly 1 is in an open state , there is a second preset distance between the first pin shaft 9 and thehinge part 1031, thus, when the jaw assembly 1 is closed, therelease element 8 drives the first pin shaft 9 to move proximally, the first pin shaft 9 It can move to abut against the hingedpart 1031 near the first side of the jaw assembly 1 , and then drive the hingedpart 1031 to move proximally. The first pin shaft 9 located on the second side of the jaw assembly 1 cooperates with thehinge portion 1031 near the second side of the jaw assembly 1 in the same manner as described above, and will not be repeated here. It should be noted that there is a second preset distance between the first pin shaft 9 and thecorresponding hinge portion 1031 in this embodiment, and the second preset distance may be zero.

由此,响应于钳口组件1的闭合,每一个释放元件8的近端沿第一方向朝向钳口组件1的近端移动,使得与之连接的第一销轴9朝向钳口组件1的近端移动,从而带动与之连接的两个止挡件103朝向钳口组件1的近端移动,使得每一个止挡件103均能够与耳部脱离,使得夹子7能够脱离钳臂。Thus, in response to the closing of the jaw assembly 1, the proximal end of eachrelease element 8 moves toward the proximal end of the jaw assembly 1 along the first direction, so that the first pin shaft 9 connected thereto faces toward the proximal end of the jaw assembly 1. The proximal end moves, thereby driving the twostoppers 103 connected thereto to move toward the proximal end of the jaw assembly 1, so that eachstopper 103 can be disengaged from the ear, so that theclip 7 can be disengaged from the pliers arm.

具体而言,当钳口组件1闭合时,位于钳口组件1同一侧的两个释放元件8的远端相互靠近运动,使得每一个释放元件8的近端沿平行于套管401轴向的方向朝向钳口组件1的近端移动,进而使得第一销轴9朝向钳口组件1的近端移动,由此使得每一个止挡件103能够在与其对应的第一销轴9的带动下朝向近端移动以脱离耳部。Specifically, when the jaw assembly 1 is closed, the distal ends of the tworelease elements 8 on the same side of the jaw assembly 1 move closer to each other, so that the proximal end of eachrelease element 8 moves along a direction parallel to the axial direction of thesleeve 401 . The direction moves toward the proximal end of the jaw assembly 1, thereby causing the first pin shaft 9 to move toward the proximal end of the jaw assembly 1, so that eachstopper 103 can be driven by its corresponding first pin shaft 9 Move proximally to disengage the ear.

当钳口组件1打开时,位于钳口组件1同一侧的两个释放元件8的远端相互远离运动,使得每一个释放元件8的近端沿平行于套管401轴向的方向朝向钳口组件1的远端移动,进而使得第一销轴9朝向钳口组件1的远端移动。由于每一个止挡件103是具有弹性的,且靠近钳口组件1同一侧的两个止挡件103是一体的,在钳口组件1闭合时,铰接部1031被压缩,当钳口组件1打开时,铰接部1031释放能量使得每一个止挡件103能够向远端移动以复位。When the jaw assembly 1 is opened, the distal ends of the tworelease elements 8 on the same side of the jaw assembly 1 move away from each other, so that the proximal end of eachrelease element 8 faces toward the jaws in a direction parallel to the axial direction of thesleeve 401 The distal end of the assembly 1 moves, thereby causing the first pin shaft 9 to move toward the distal end of the jaw assembly 1 . Since eachstopper 103 is elastic, and the twostoppers 103 near the same side of the jaw assembly 1 are integrated, when the jaw assembly 1 is closed, the hingedpart 1031 is compressed, and the jaw assembly 1 When opened, thehinge 1031 releases energy to enable eachstopper 103 to move distally to reset.

在钳口组件1闭合时,夹子7固定在组织或血管上,此时止挡件103与夹子7的耳部是脱离的。在钳口组件1打开但未到达打开到底的状态时,止挡件103向远端移动但未复位,止挡件103和夹子7的耳部之间存在距离,因此止挡件103和耳部还是脱离的状态,止挡件103不会对夹子7的耳部产生限制作用,夹子7能够与钳口组件1脱离。钳口组件1到达打开到底的状态前,夹子7的夹臂已经与对应的钳臂脱离,当钳口组件1到达打开到底的状态时,止挡件103复位。When the jaw assembly 1 is closed, theclip 7 is fixed on the tissue or blood vessel, and thestopper 103 is disengaged from the ears of theclip 7 at this time. When the jaw assembly 1 was opened but did not reach the fully opened state, thestopper 103 moved to the far end but did not reset, and there was a distance between thestopper 103 and the ear of theclip 7, so thestopper 103 and the ear Still in the detached state, thestopper 103 will not restrict the ears of theclip 7 , and theclip 7 can be detached from the jaw assembly 1 . Before the jaw assembly 1 reaches the fully opened state, the clip arm of theclip 7 has been disengaged from the corresponding pincer arm, and when the jaw assembly 1 reaches the fully opened state, thestopper 103 resets.

本实施例释放机构和与其对应的铰接部1031是不连接的,由此能够便于安装,简化安装步骤。在一个可选的实施方案中,位于钳口组件1第一侧的第一销轴9与靠近钳口组件1第一侧的铰接部1031相连接,位于钳口组件1第二侧的第一销轴9与靠近钳口组件1第二侧的铰接部1031相连接。由此,当钳口组件1闭合时,每一个第一销轴9朝向钳口组件1的近端移动,使得每一个止挡件103能够在与其对应的第一销轴9的带动下朝向钳口组件1的近端移动以脱离耳部。当钳口组件1打开时,铰接部1031释放能量使得每一个止挡件103能够向钳口组件1的远端移动,同时每一个第一销轴9朝向钳口组件1的远端移动,带动每一个止挡件103向钳口组件1的远端移动以复位。In this embodiment, the release mechanism and thecorresponding hinge portion 1031 are not connected, which facilitates installation and simplifies installation steps. In an optional embodiment, the first pin shaft 9 located on the first side of the jaw assembly 1 is connected to thehinge portion 1031 close to the first side of the jaw assembly 1 , and the first pin shaft 9 located on the second side of the jaw assembly 1 The pin shaft 9 is connected to thehinge part 1031 near the second side of the jaw assembly 1 . Thus, when the jaw assembly 1 is closed, each first pin shaft 9 moves toward the proximal end of the jaw assembly 1 , so that eachstopper 103 can move toward the pliers under the drive of its corresponding first pin shaft 9 . The proximal end of the mouthpiece 1 is moved out of the ear. When the jaw assembly 1 is opened, thehinge 1031 releases energy so that eachstopper 103 can move toward the far end of the jaw assembly 1, and at the same time each first pin shaft 9 moves toward the far end of the jaw assembly 1, driving Eachstopper 103 moves toward the distal end of the jaw assembly 1 to reset.

在钳口组件1闭合时,每个止挡件103向近端移动而脱离与其对应的夹子耳部,夹子7的两个第一耳部703和两个第二耳部704均始终置于对应的凹陷部104中,直到钳口组件1打开,两个第一耳部703和两个第二耳部704分别从对应的凹陷部104中脱离。并且钳口组件1的闭合是一个快速闭合的过程,若夹子7的耳部在钳口组件1完全闭合前与止挡件103脱离,自夹子7的耳部脱离止挡件103至钳口组件1达到完全闭合状态的时间差较小,夹子7的耳部在与止挡件103脱离后,仍然能够正常闭合。综上,在钳口组件1闭合的过程中,无论夹子7的耳部是何时与止挡件103脱离,均不会影响夹子7的闭合。止挡件103在朝向钳口组件1近端移动的过程中,其部分安装部1032会从其所在滑槽107的近端滑出,止挡件103在朝向远端移动时,其滑出的部分安装部1032会再进入滑槽107中,此过程中止挡件103会产生形变。由于每一个止挡件103是具有弹性的,能够满足止挡件103在移动过程中的形变。When the jaw assembly 1 is closed, eachstopper 103 moves proximally and breaks away from its corresponding clip ear, and the twofirst ear portions 703 and the twosecond ear portions 704 of theclip 7 are always placed in the corresponding position. until the jaw assembly 1 is opened, the twofirst ear portions 703 and the twosecond ear portions 704 are separated from the corresponding recessedportion 104 respectively. And the closing of the jaw assembly 1 is a fast closing process. If the ear of theclip 7 breaks away from thestopper 103 before the jaw assembly 1 is completely closed, the ear of theclip 7 breaks away from thestopper 103 to the jaw assembly. 1 The time difference for reaching the fully closed state is relatively small, and the ears of theclip 7 can still be closed normally after they are disengaged from thestopper 103. To sum up, during the closing process of the jaw assembly 1 , no matter when the ears of theclip 7 disengage from thestopper 103 , the closing of theclip 7 will not be affected. When thestopper 103 moves toward the proximal end of the jaw assembly 1, part of theinstallation part 1032 thereof will slide out from the proximal end of thechute 107 where it is located, and when thestopper 103 moves toward the distal end, its Part of the mountingportion 1032 will enter the slidinggroove 107 again, and thestopper 103 will be deformed during this process. Since eachstopper 103 is elastic, it can satisfy the deformation of thestopper 103 during the movement.

本实施例在钳口组件1的第一侧和第二侧均设置释放机构是最优选择,在一些可选的实施方案中,仅在钳口组件1的其中一侧设置释放机构。此处以钳口组件1的第一侧具有释放机构而钳口组件1的第二侧不具有释放机构的情况进行说明:当钳口组件1闭合时,钳口组件1第一侧的释放机构带动两个止挡件103向近端移动,从而分别脱离与其对应的耳部,使得夹子7脱离钳口组件1的阻力变小,缓解了钳口组件1打开时夹子7对组织或血管的撕扯。释放机构的第一销轴9与两个止挡件103的铰接部1031可以是连接的,也可以是不连接的,均不会影响第一销轴9与铰接部1031之间的配合。In this embodiment, it is the optimal choice to provide the release mechanism on both the first side and the second side of the jaw assembly 1 , and in some alternative embodiments, the release mechanism is only provided on one side of the jaw assembly 1 . Here, the first side of the jaw assembly 1 has a release mechanism and the second side of the jaw assembly 1 does not have a release mechanism. When the jaw assembly 1 is closed, the release mechanism on the first side of the jaw assembly 1 drives The twostoppers 103 move proximally to disengage from the corresponding ears respectively, so that the resistance of theclip 7 detaching from the jaw assembly 1 is reduced, and the tearing of the tissue or blood vessel by theclip 7 when the jaw assembly 1 is opened is relieved. The first pin shaft 9 of the release mechanism may be connected to thehinge parts 1031 of the twostoppers 103 or may not be connected, and neither will affect the cooperation between the first pin shaft 9 and thehinge parts 1031 .

综上,本实施例通过在钳口组件1上设置了释放机构,同时设置止挡件103能够在钳口组件1的远端和近端之间滑动,使得钳口组件1闭合时,释放机构能够带动止挡件103朝向钳口组件1的近端移动以脱离夹子7的耳部,由此解除止挡件103对夹子的限制作用,从而当钳口组件1打开时,钳口组件1不会拉扯夹子7的夹臂,从而夹子7的夹臂不会拉扯组织或血管,降低了微创手术的风险。To sum up, in this embodiment, the release mechanism is provided on the jaw assembly 1, and thestopper 103 is provided to slide between the distal end and the proximal end of the jaw assembly 1, so that when the jaw assembly 1 is closed, the release mechanism Thestopper 103 can be driven to move toward the proximal end of the jaw assembly 1 to break away from the ear of theclip 7, thereby releasing the restriction of thestopper 103 on the clip, so that when the jaw assembly 1 is opened, the jaw assembly 1 does not The clip arm of theclip 7 will be pulled, so that the clip arm of theclip 7 will not pull tissue or blood vessels, reducing the risk of minimally invasive surgery.

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。It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

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。The series of detailed descriptions listed above are only specific descriptions for feasible implementations of the present invention, and they are not intended to limit the protection scope of the present invention. Any equivalent implementation or implementation that does not depart from the technical spirit of the present invention All changes should be included within the protection scope of the present invention.

Claims (16)

9. The clip applier of claim 1, wherein said jaw assembly includes two jawarms, said stop being disposed on said jawarms, said acted upon member being a clip, said clip including two arms, at least a portion of one of said arms being operatively positioned in one of said jawarms and at least a portion of the other of said arms being operatively positioned in the other of said jawarms, said stop abutting said at least a portion of said one of said arms; at least one side of the jaw assembly is provided with the release mechanism, the release mechanism comprising two release elements, the stop and proximal ends of the release elements corresponding thereto being operatively engaged, the proximal end of each release element being moved proximally in a first direction in response to closure of the jaw assembly to drive the stop to move proximally to disengage the stop from the at least a portion of the jawarms in which it is located, while distal ends of the two release elements are moved toward each other.
CN202111339817.8A2021-11-122021-11-12Clip applierPendingCN116115289A (en)

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