Gas-pressure-regulated needleless injection system
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United States of America Patent
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Jun 18, 1991
Grant Date -
N/A
app pub date -
Aug 30, 1988
filing date -
Aug 30, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system is provided that is useful for hypodermic injection of medication without piercing the skin with a needle. The system includes a gas pressure actuated needleless hypodermic injection device for injecting medication through the skin. The injection device includes an injector assembly having an injector body with a chamber for a compressed gas container and an ampule assembly mounted on the injector body for containing the liquid medication. The system also includes an adaptor assembly for use on a medication vial for transferring medication to the ampule assembly.
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