Self-destructive syringe

Details Self-destructive syringe Self-destructive syringe

2005-03-29

2005-03-29

Thanh, LoAn H. (Department: 3763)

Surgery

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

Treating material introduced into or removed from body...

C604S228000

Reexamination Certificate

active

06872191

ABSTRACT:
The present invention of a self-destructive syringe includes a hollow needle barrel having a detachable structure disposed between a rubber head and a push rod located therein; a retaining ring is disposed in a proper distance at the front end inside the needle barrel; after the injection, the rubber head of the syringe stays fixedly on the retaining ring; then the push rod is pulled backwardly to separate from the rubber head to form self-destruction; furthermore, connecting tabs are disposed on two opposite areas on a bearing base such that the rod body makes the connecting tabs break via rotation or pulling after the injection thereby causing the rod body to destruct more completely so as to prevent any danger of reusing the syringe.

REFERENCES:
patent: 3989044 (1976-11-01), Meierhoefer
patent: 4781684 (1988-11-01), Trenner
patent: 4932941 (1990-06-01), Min et al.
patent: 5045063 (1991-09-01), Spielberg
patent: 5135495 (1992-08-01), Arcusin
patent: 5531693 (1996-07-01), Vounatsos
patent: 1356838 (2003-10-01), None

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