一种鼠尾静脉夹

Vein clip for clipping rat tails

Abstract

本实用新型涉及动物实验器材技术领域,是一种鼠尾静脉夹。由由两条相向对称的夹臂(1)和一个铰接轴(2)组成,两条夹臂的尾端(1.1)通过铰接轴(2)固定在一起,两条夹臂以交叉部(1.3)为界分为前臂和后臂两部分,两条后臂分别向外侧呈弧状弯曲并富有弹性,其为按柄(1.2);前臂为静脉夹的钳头(1.4),钳头内侧的相向面上分别设有形状大小对称的带有齿槽的多个弧形凹槽(1.5),两条夹臂的交叉部(1.1)宽度为按柄的一半,与静脉夹长轴呈45度角度,相互交叉后前臂形成相向咬合的钳头。本实用新型结构简单,使用方便,能有效阻断静脉回流保持尾静脉充盈又不损伤鼠尾,从而提高了鼠尾静脉注射的成功率。
The utility model relates to a vein clip for clipping rat tails, which belongs to the field of animal experimenting equipment. The vein clip comprises a pair of clip arms (1) that are symmetrically arranged in opposite and a jointed shaft (2). The ends of the two clip arms are fixed together through the jointed shaft (2) and the two clip arms are divided into two parts as the fore arm and the back arm by the intersection part (1.3). Each back arm of the two clip arms is bent in an arc shape towards the outboard. Full of elasticity, the back arms constitute a pressing handle (1.2); the fore arms, however, constitute the tong head of the vein clip (1.4). On the two surfaces at the inboard of the tong head that are opposite each other are arranged a plurality of arc-shaped grooves (1.5) with balanced sizes and shapes and with gullets. The intersection part (1.1) of the two clip arms is only half as long as the pressing handle and is at a 45-degree angle with the major axis. Mutually intersected, the two fore-arms are joined and constitute the tong head. Simple in structure and convenient to use, the utility model can effectively prevent venous returns and keep the veins of the tail full while not hurting the rat tails, therefore, guaranteeing the success rate for vein injections into rat tails.

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