Needle-free injector
申请(专利)号： US20050792141
专利号： US8221347B2 主分类号： A61M5/30 申请权利人： WARREN L.
TOLES;
KEVIN TOLES; JULES POIRON 公开国代码： US 优先权国家： US;
CA
摘 要：
The present invention provides a needle-free injection device for delivering a medicament under pressure into an animal or human. The injection device includes an actuating device comprising: a gas tight chamber; a piston and rod assembly slidably received in the
chamber and movable between a forward position and a rearward position; a gas charge in the chamber for urging the piston and rod assembly to the forward position; means for moving said piston and rod assembly against said gas
charge into the rearward position; and a trigger for releasably retaining the piston and assembly in the rearward position. Also provided is a method and kit for using the device to administer a liquid through the skin of an animal or human. 主权项：
申请日： 2005-12-01 公开公告日： 2012-07-17
分类号： A61M5/30
发明设计人： WARREN L. TOLES;
KEVIN TOLES; JULES POIRON 申请国代码： US
优先权： 20051201 US
79214105; 20041201 US 63231604; 20051201 CA 2005001824
摘 要 附 图：
1. In a needle-free injection device for delivering a medicament under pressure from a dosing reserv
权 利 要 求 说 明 书
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Needle-free injector
