Single-use needle-less hypodermic jet injection apparatus...

Details Single-use needle-less hypodermic jet injection apparatus... Single-use needle-less hypodermic jet injection apparatus...

2011-06-14

2011-06-14

Sirmons, Kevin C (Department: 3767)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S069000, C604S143000

Reissue Patent

active

RE042463

ABSTRACT:
A gas-powered, single-use, needle-less hypodermic jet injection device includes a hand-held injector, and a drug injection cartridge which provides a cylinder of liquid medication to be injected, an injection orifice, and an injection piston. Forceful movement of the injection piston in the cylinder causes an injection jet of medication to be expelled from the injection orifice. The injection device also includes a hermetically sealed gas pressure capsule which remains sealed until the moment of injection and powers the jet injection after opening of this cartridge.

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Vitajet Industria e Comércia Ltda. Ommijet sales brochure, 4 pp, Rio de Janeiro, Brazil, undated.

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