Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1997-01-09
1999-04-06
Coggins, Wynn Wood
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604 73, 604140, 604147, A61M 530
Patent
active
058910859
ABSTRACT:
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 disclosed. These components are operatively contained in a housing configured for hand held operation. The energy device is a self-contained gas spring operatively connected to a plunger operating within the ampule chamber. The gas spring is preferably stepped which can be used in many different applications, an air gun being one. The injection device can be provided with a coupling device for coupling a medication supply vial to the nozzle assembly. The nozzle assembly is removably situated in the housing with the plunger removable therewith.
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Catalog: Hoechst Celanese--Advanced Materials Group, "Vectra.RTM. Liquid Crystal Polymer".
Catalog: Industrial Gas Springs, Ltd.
Carlson Craig J.
Johnson Thomas R.
Lilley Stephen John
Rosen David I.
Taylor Hugh Francis
Coggins Wynn Wood
Medi-Ject Corporation
Sadula Jennifer R.
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