Safety syringe

Details Safety syringe Safety syringe

1990-11-29

1992-02-18

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

050889869

ABSTRACT:
A safety device for use with a conventional hypodermic syringe including a needle shield for connection to the hypodermic syringe having a tubular housing slidably connected to a retractable needle sheath. The needle sheath is selectively lockable in a retracted position within the tubular housing so that a needle held by the hypodermic extension can be exposed for use. A handle can be used for retracting the needle sheath within the tubular housing to a locked position. A release tab is located on the exterior of the tubular housing for unlocking the needle from the retracted position, and allowing said needle sheath to automatically lock in the closed position.

REFERENCES:
patent: 4795432 (1989-01-01), Karczmer
patent: 4911693 (1990-03-01), Paris
patent: 4966592 (1990-10-01), Burns et al.
patent: 4973316 (1990-11-01), Dysarz
patent: 4994034 (1991-02-01), Botich et al.

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