Non-reusable syringe

Details Non-reusable syringe Non-reusable syringe

1989-08-01

1990-12-18

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604210, 604218, A61M 500

Patent

active

049783394

ABSTRACT:
The piston stem (6) of the non-reusable syringe carries radial ribs (7, 9) having a saw-tooth profile (20, 21) cooperating with a stop (19) fixed to the inner wall of the syringe body, for allowing the piston (1) to be moved in one direction only, so that the syringe can be used only once.

REFERENCES:
patent: 3890971 (1975-06-01), Leeson et al.
patent: 4246898 (1981-01-01), Travalent et al.
patent: 4642102 (1987-02-01), Ohmori
patent: 4790822 (1988-12-01), Haining
patent: 4820272 (1989-04-01), Palmer
patent: 4826483 (1989-05-01), Molnar
patent: 4840616 (1989-06-01), Banks

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