BOYD, BROOKS M.,FARR, STEPHEN J.,SCHUSTER, JEFFREY A.,FRY, ANDY,POCOCK, ANDY,MILES, BRENNAN,HURLSTONE, CHRIS,DAINTREY, JOE
申请号：
CA2822908
公开号：
CA2822908A1
申请日:
2012.01.09
申请国别(地区):
CA
年份:
2012
代理人:
摘要：
Improved needle free injectors comprising of a energy sources, triggering mechanisms, impact members, and drug delivery pistons are disclosed. In one preferred embodiment, the triggering mechanism comprises a spool which seals an energy source comprised of compressed gas and a component for releasing the spool to release the pressurized gas and urge a ram forward to force a drug containing formulation through a drug delivery orifice. The device may include a cap covering the orifice and safety mechanisms to prevent accidental delivery
