Syringe and needle guard assembly

Details Syringe and needle guard assembly Syringe and needle guard assembly

1990-10-19

1992-09-29

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604 86, 604263, A61M 532

Patent

active

051510901

ABSTRACT:
A needle guard for an additive-type syringe includes a sidewall which extends beyond the needle point. The sidewall is joined to the syringe housing by spin welding or sonic welding an annular flange that extends axially rearward from the needle guard to contact the front wall of the housing. The needle guard also includes an intermediate circumferential flange and a centering and guiding member that frictionally slides in the needle guard.

REFERENCES:
patent: 4083370 (1978-04-01), Taylor
patent: 4747835 (1988-05-01), Sandhaus
patent: 4810248 (1989-03-01), Masters et al.
patent: 4834716 (1989-05-01), Ogle, II
patent: 4946445 (1990-08-01), Lynn
patent: 4964855 (1990-10-01), Todd et al.
patent: 4998713 (1991-03-01), Vaillancourt
patent: 4998922 (1991-03-01), Kuracina et al.
patent: 5011475 (1991-04-01), Olson
patent: 5084032 (1992-01-01), Kornberg et al.
patent: 5088985 (1992-02-01), Deras

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