Disposable needle head assembly

Details Disposable needle head assembly Disposable needle head assembly

1992-10-09

1993-09-07

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 500

Patent

active

052424014

ABSTRACT:
A disposable needle head assembly including a needle portion having a protruding hypodermic needle and a hub portion adapted to be secured to a standard syringe body, and a cover portion, the cover portion being slidingly disposed over the needle portion and including an internally extending nub which travels along a recessed track formed in an exterior of the hub of the needle portion, thereby guiding the axial movement of the cover portion about the needle portion and causing the cover portion to be accordingly positioned in a needle exposing position during use, and an extended needle, containing position in to which the cover portion is engaged automatically after use of the hypodermic needle.

REFERENCES:
patent: 4813940 (1989-03-01), Parry
patent: 4894055 (1990-01-01), Sudnak
patent: 4961730 (1990-10-01), Poncy
patent: 5024660 (1991-06-01), McNaughton

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