WOLOSCHUK, RALPH E.,CASTANON, SCOTT E.,TERRY, WARREN MARC,BAKER, JOSEPH JAMES
申请号：
CA3016960
公开号：
CA3016960A1
申请日:
2016.03.18
申请国别(地区):
CA
年份:
2016
代理人:
摘要：
Blood collection devices having a retractable needle are provided. Activation of the retraction mechanism causes release of propellant from a propellant chamber, which drives a retraction assembly carrying the needle into a body of the device.
