Automatic sheath protection of hypodermic needle

Details Automatic sheath protection of hypodermic needle Automatic sheath protection of hypodermic needle

1993-03-23

1994-05-24

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, 604263, A61M 2900

Patent

active

053145038

ABSTRACT:
A hypodermic needle assembly is described which automatically covers the pointed end of the needle after the assembly is used in order to prevent accidental punctures. A sheath circumscribes the needle and is held a patient's tissue to allow sliding movement of the sheath over the needle pointed end, and preferably locking of the needle within the sheath, as well, when the needle is withdrawn from the patient.

REFERENCES:
patent: 3406687 (1966-06-01), Moyer
patent: 4681567 (1987-07-01), Masters et al.
patent: 4747837 (1988-05-01), Hauck
patent: 4775369 (1988-10-01), Schwartz
patent: 4801295 (1989-01-01), Spencer
patent: 4973317 (1990-11-01), Bobrove
patent: 5151088 (1992-09-01), Allison et l.

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