HILLIARD, CHRISTOPHER TODD,HOTTOVY, TRACY RAY,PELLEGRINI, JAMES JUDE
申请号：
CA2950776
公开号：
CA2950776A1
申请日:
2012.09.20
申请国别(地区):
CA
年份:
2013
代理人:
摘要：
A syringe assembly, comprising a syringe barrel having a first end, a secondend, and a sidewallextending therebetween and defining a chamber having an interior； a stopperslidably disposedwithin the interior and defining an aperture therein, the stopper comprising adeformablerestraining member adjacent the aperture, the deformable restraining membertransitionablebetween a deformed position to an undeformed position； and a plunger rodhaving a first end, asecond end, and a plunger rod head disposed adjacent the first end of theplunger rod, wherein asthe plunger rod head is moved axially within the aperture of the stopper, theplunger rod headdeforms the restraining member of the stopper, and once the plunger rod headis advancedbeyond the restraining member of the stopper, the restraining member returnsto its undeformedposition to secure the plunger rod head within the aperture.
