针套 meaning in Chinese

needle guard

Thick steel needle trocar
粗钢针套针
Remove the coverof the soft acus . hold thepinhead s vane between the thumb and theindex finger . protect the pinhead s coveufrom bacteria s plllution
脱去采血软针外包装，用拇指和食指持前端针头叶片，保留针套，避免细菌污染。
Let the part ready for vein puncturing , then antisepsis it . remove the colorful acus s coverand expose the head of bi - direction acus , then puncture veins stanting on15unit of measure
准备静脉穿刺部位，并予以消毒。拔除彩色针套，暴露双向针前端，以15度角斜向上进行静脉血管穿刺。
Hold the colorful acus s cover in one hand . let the port of the bi - direction be exposcd . screw thc port into the holder . the colorfulacus s cover will protect the forwcrd part ofthc bi - direction from bacteria s pollution
一手握住双向针的彩色针套，另一手逆时针方向拧下白色针套，暴露双向针的刺塞端（带弹性胶套的一端）；将双向针刺塞端按顺时针方向拧入持针器中，彩色针套仍保护双向针前端，避免细菌污染。