定角式持针器

Fixed angle type needle holder

Abstract

本发明涉及医疗器械领域,旨在提供一种外科手术用的定角式持针器。它包括位于前端的持针体和后端手握的操作手柄(8),持针体是由两个同轴直线活动的夹头(1)和夹头(2)组成,夹头(1)与夹头(2)之间具有相互吻合的咬合面;咬合面与持针器的主轴之间有一倾斜角;夹头(2)固定在一个空心的外管(3)的底部,夹头(1)固定在拉杆(4)的底部,拉杆(4)套入外管(3)中并与外管(3)活动相连。本发明的定角式持针器,能实现在体表小切口的情况下,将缝针的夹持角度在一定的范围内作改变,而缝针不易滑脱或旋转;而且也能可靠地执行深部的缝合操作,又不易损伤到周围组织。
The present invention provides an angle fixing type needle holder for surgical operation, relating to medical instruments field, the needle holder comprises a needle holding body at front end and a hand-held operating handle (8) at rear end, the needle holding body comprises a couple of chucks (1) and (2) moving coaxially along a straight line, occlusal surfaces matching each other are provided between the chuck (1) and (2); an slope angle is formed between the occlusal surfaces and the principal axis of the needle holder; the chuck (2) is fixed on bottom of a hollow external tube (3), the chuck (1) is fixed on bottom of a pull rod (4) sleeved into the external tube (3) and movably connected to the external tube (3). According to the invention, the angle fixing type needle holder may alter holding angle of the needle in certain range such that the needle is hard to slidably drop or rotate in condition of small notch on body surface; and the needle holder may reliably suturing at deep position without damnifying tissue around.

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