A needleless injection system and method for injecting a medical product including a needleless injection device having a nozzle assembly defining an ampule chamber for holding medication, an energy device for pushing medication out of the nozzle assembly, and an energy device actuating mechanism is...http://www.google.es/patents/US5891085?utm_source=gb-gplus-sharePatente US5891085 - Nozzle assembly with lost motion connection for medical injector assembly
Nozzle assembly with lost motion connection for medical injector assembly
