The present invention relates to a jet injector system with a hand piece. The present invention generally comprises a power unit, a medicine unit, an energy unit, a supply bottle, and a hand piece. The hand piece and power unit may be separate components connected to each other by a high pressure hose, which gives the user more flexibility. A valve assembly having a ball lock assembly and a needle assembly controls the release of medication from the high pressure hose into the hand piece and out a nozzle into the subject.
CROSS REFERENCE TO RELATED APPLICATIONS
Pursuant to 35 U.S.C. .sctn..sctn. 119(e) and 120, this application (1) is a continuation-in-part of U.S. application Ser. No. 09/717,548, filed Nov. 21, 2000, now U.S. Pat. No. 6,770,054 which claims priority to prior Russian Application No. 99124267, filed Nov. 23, 1999; (2) claims priority to prior U.S. provisional application No. 60/329,082, filed Oct. 12, 2001; (3) claims priority to prior U.S. provisional application No. 60/361,198, filed Mar. 1, 2002; and (4) claims priority to prior U.S. provisional application No. 60/386,457, filed Jun. 4, 2002, the disclosures of which are incorporated herein by reference.
