发明名称 |
PASSIVE REUSE PREVENTION SYRINGE THAT USES A RETAINING RING LOCK |
摘要 |
A syringe assembly includes a syringe barrel having an inside surface defining a chamber and an outlet. A plunger assembly is disposed within the syringe barrel and includes an elongate plunger rod having a distal end surface, a plunger head having a distal sealing surface and a proximal end surface having a continuous perimeter, and a breakable neck portion integrally connecting the plunger rod and the plunger head. A retaining ring lock is disposed on the inside surface of the barrel and defines an engagement surface about a perimeter of the chamber. The retaining ring lock is adapted to engage and retain the plunger head in a locked position within the chamber. The engagement surface of the retaining ring lock engages the continuous perimeter of the proximal end surface of the plunger head in a perimetrical engagement when the plunger head is in the locked position. |
申请公布号 |
KR20110039539(A) |
申请公布日期 |
2011.04.19 |
申请号 |
KR20117001848 |
申请日期 |
2009.06.26 |
申请人 |
BECTON DICKINSON AND COMPANY |
发明人 |
WAYMAN BRIAN H.;ODELL ROBERT;CAIZZA RICHARD JAMES |
分类号 |
A61M5/50;A61M5/315 |
主分类号 |
A61M5/50 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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