Retractable syringe with locking plunger

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专利权人:

Richard Caizza

发明人:

Richard Caizza,Jay Bojan

申请号：

US13413577

公开号：

US08574193B2

申请日:

2012.03.06

申请国别(地区):

US

年份:

2013

代理人:

摘要：

A retractable needle syringe having a plunger rod configured to lock in place after retraction of the needle. The plunger rod distal end has a seal configured to advance past a retaining ledge after retraction of the needle, whereby the retaining ledge restricts or inhibits the plunger from proximal movement.

来源网站：

中国工程科技知识中心

来源网址：

http://www.ckcest.cn/home/