Retractable injection needle assembly

Details Retractable injection needle assembly Retractable injection needle assembly

1992-08-28

1994-01-18

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604411, 604414, 604905, A61M 500

Patent

active

052795837

ABSTRACT:
A needle shielding and use-facilitating apparatus has a first sleeve with a coupling at one end for attachment to a syringe and a hypodermic needle carried by the first sleeve. The needle extending beyond the opposite end of the first sleeve. A second sleeve is slidably received in the first sleeve and surrounds part of the needle which extends beyond the first sleeve. A spring in the first sleeve urges the second sleeve out of the first sleeve. An end coupling is attached to the second sleeve and is selectively attachable to any of a plurality of articles puncturable with the needle.

REFERENCES:
patent: 4834149 (1989-05-01), Fournier et al.
patent: 4834152 (1989-05-01), Howson et al.
patent: 4872494 (1989-10-01), Coccia

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