Self-recapping injection needle assembly

Details Self-recapping injection needle assembly Self-recapping injection needle assembly

1992-10-06

1994-01-18

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

052795799

ABSTRACT:
A sleeve cover for an injection needle assembly or I.V. catheter assembly is slidably engaged to a hub and urged toward its protective position by a spring. A longitudinal groove in a side wall of the sleeve cover guides a pin protruding radially from the hub between protective and unprotective positions. When the sleeve cover is shifted rearwardly by the spring, the needle is exposed, and the sleeve is held by a locking mechanism projecting from the hub. When the locking mechanism is released, the cover shifts to its protective position. The needle assembly or I.V. catheter assembly may then be safely resealed for disposal.

REFERENCES:
patent: 4695274 (1987-09-01), Fox
patent: 4772272 (1988-09-01), McFarland
patent: 4801295 (1989-01-01), Spencer
patent: 4816022 (1989-03-01), Poncy
patent: 4863435 (1989-09-01), Sturman et al.
patent: 4923447 (1990-05-01), Morgan
patent: 4929232 (1990-05-01), Sweeney
patent: 4929237 (1990-05-01), Medway
patent: 5106379 (1992-04-01), Leap

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