Andrew G. Summerville,Jon D. Swenson,Christina Joy DArrigo
申请号：
US13558877
公开号：
US09072840B2
申请日:
2012.07.26
申请国别(地区):
US
年份:
2015
代理人:
摘要：
A cutting element for a retracting needle syringe having a plunger with a cuttable distal end and a spring biased needle held by a cuttable support and a cutting element capable of cutting the cuttable distal end and the cuttable support includes a body portion having a proximal end, a distal end side wall therebetween and a passageway therethrough. The distal end of the body portion includes a cutting edge and a raised distally projecting tapered cutting tooth having distally converging edges. At least one tooth edge includes a sharp side wall for cutting the distal end of the plunger and the needle support.
