Retractable needle syringe

Details Retractable needle syringe Retractable needle syringe

1988-07-22

1989-06-13

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 532

Patent

active

048388696

ABSTRACT:
A retractable hypodermic needle configured for one-time use wherein the needle is spring loaded and automatically irretrievably retracted into the hypodermic syringe when the syringe plunger is fully depressed, whereby protrusions on the end of the plunger engage tabs holding the spring loaded needle to release the needle for retraction.

REFERENCES:
patent: 4747831 (1988-05-01), Kulli

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