Moisture disabled needle

Details Moisture disabled needle Moisture disabled needle

1989-07-17

1990-12-11

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604110, 604272, A61M 532

Patent

active

049767046

ABSTRACT:
A hypodermic needle which is made primarily from a dissolvable material so that after it is used the exposure to moisture causes it to lose its rigid structure and therefore cannot accidentally prick someone and cannot be used again.

REFERENCES:
patent: 2593980 (1952-04-01), Calicchio
patent: 2603217 (1952-07-01), McShirley
patent: 3358684 (1967-12-01), Marshall
patent: 4337038 (1982-06-01), Saito et al.
patent: 4773901 (1988-09-01), Norton
patent: 4781683 (1988-11-01), Wozniak et al.
patent: 4781703 (1988-11-01), Walker et al.
patent: 4798597 (1989-01-01), Vaillancourt
patent: 4846812 (1989-07-01), Walker et al.
patent: 4936835 (1990-06-01), Haaga
Data Sheet-Tafa Series 300-301 Disoluable Metal, Tafa Inc., Concord, NH 03301 Copyright 1989.

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