Hypodermic needle apparatus

Details Hypodermic needle apparatus Hypodermic needle apparatus

1990-05-03

1991-10-22

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

050591843

ABSTRACT:
A hypodermic needle apparatus (10) equipped with a latching unit (14) for selectively immobilizing a pair of sheath members (18, 23) relative to a needle (16) such that one of the sheath members (23) may be temporarily retracted to expose the needel (16) and then extended and permanently immobilized in a covering relationship relative to the tip of the needle (16).

REFERENCES:
patent: 4801295 (1989-01-01), Spencer
patent: 4826490 (1989-05-01), Byrne et al.
patent: 4826491 (1989-05-01), Schramm
patent: 4842587 (1989-06-01), Poncy
patent: 4850977 (1989-07-01), Bayless
patent: 4874384 (1989-10-01), Nonez
patent: 4894055 (1990-01-01), Sudnak
patent: 4923447 (1990-05-01), Morgan

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