Self recapping injection needle assembly

Details Self recapping injection needle assembly Self recapping injection needle assembly

1991-05-02

1993-06-29

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

052229475

ABSTRACT:
Generally there is provided an improved cover for an injection needle assembly which is slidably engaged to a hub and urged toward its protective position by a spring. This hub and the sleeve cover present a radius larger than the barrel of the syringe, and a needle mounted within the hub is protected by the sleeve cover. When the needle assembly is mounted to the syringe barrel, the sleeve cover is shifted rearwardly to expose the needle and it is held there by a pin/groove lock. After use the sleeve cover is rotated to release the lock and the cover shifts back to its original protective position.

REFERENCES:
patent: 4923447 (1990-05-01), Morgan
patent: 4929232 (1990-05-01), Sweeney et al.
patent: 4929237 (1990-05-01), Medway

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