Injection needle protection device

Details Injection needle protection device Injection needle protection device

1994-01-31

1997-09-23

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604171, A61M 500

Patent

active

056698887

ABSTRACT:
A tubular guard 14 encircles the needle 6 and exhibits a conical connection surface which, in the protection position, cooperates with a conical connection surface of the joining piece bearing the needle 6. By pushing on the cap 16 covering the needle 6, the joining piece and the associated guard are secured to the handpiece 1. The collar 17 is then pressed onto the guard 14 and frees the guard from the joining piece. The guard 14 is then hooked onto the handpiece 1 by freeing the end of the needle 6.

REFERENCES:
patent: 4631057 (1986-12-01), Mitchell
patent: 4702738 (1987-10-01), Spencer
patent: 4743233 (1988-05-01), Schneider
patent: 5108376 (1992-04-01), Bonaldo
patent: 5154699 (1992-10-01), Ryan
patent: 5156599 (1992-10-01), Ranford et al.
patent: 5219339 (1993-06-01), Saito
patent: 5306258 (1994-04-01), de la Fuente
patent: 5342308 (1994-08-01), Boschetti
patent: 5344405 (1994-09-01), Richards
patent: 5360408 (1994-11-01), Vaillancourt
patent: 5401250 (1995-03-01), Shields
patent: 5403288 (1995-04-01), Stanners

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