Title:
【発明の名称】気体スプリングを有する医療用注入システム
Document Type and Number:
Japanese Patent JPH10512165
Kind Code:
A
Abstract:
A needleless injection system and method for injecting a medical product comprises 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. These components are operatively contained in a housing configured for a 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 provide 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.
Inventors:
Lily stephen jay
Taylor Huef
Shea Bold David Earl
Carlson Craig Jay
Rosen David Eye
Johnson Thomas Earl
Taylor Huef
Shea Bold David Earl
Carlson Craig Jay
Rosen David Eye
Johnson Thomas Earl
Application Number:
JP52172796A
Publication Date:
November 24, 1998
Filing Date:
January 11, 1996
Export Citation:
Assignee:
Medi-Ject Corporation
International Classes:
A61M5/30; A61J1/00; A61J1/20; A61M5/20; (IPC1-7): A61M5/30
Attorney, Agent or Firm:
Minoru Nakamura (6 outside)