Auto-retracting needle injector system

Details Auto-retracting needle injector system Auto-retracting needle injector system

1995-03-31

1997-06-03

Millin, Vincent

Surgery

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

Treating material introduced into or removed from body...

604110, 604232, 604201, 604228, A61M 532

Patent

active

056349092

ABSTRACT:
A hypodermic injection system utilizes disposable medicament ampules having self-contained needles operated by a re-useable actuator to extend the needle from complete enclosure within the ampule out and into the flesh and inject the medicament as it moves, the needle automatically retracting into the disposable ampule after exhausting its contents, completely eliminating any need to handle the exposed needle before or after use. The post-injection needle retraction operation is powered by the reuseable actuator, avoiding the expense of prior devices which incorporate the retraction mechanism in the disposable ampule. The invention is useful to health professionals and also of particular utility to diabetics and others who must regularly self-inject.

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patent: 5380286 (1995-01-01), Van Den Haak
patent: 5415648 (1995-05-01), Malay et al.

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