Single use locking syringe

Details Single use locking syringe Single use locking syringe

1996-03-08

1998-03-31

Buiz, Michael Powell

Surgery

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

Treating material introduced into or removed from body...

604210, A61M 550

Patent

active

057332614

ABSTRACT:
A locking syringe is disclosed which comprises a plunger, a cylinder, and a locking member for preventing the syringe to be used more than one time. The plunger includes an indention near its upper end into which a plunger locking member fits when the plunger is pushed and approaches the lower end of the cylinder to administer injections or remove bodily fluids and prevents re-use of the syringe by preventing removal of the plunger from the cylinder after the syringe has been used. The cylinder comprises an open cylindrical passage and includes a needle attached in a conventional manner at the end thereof.

REFERENCES:
patent: 2875761 (1959-03-01), Helmer et al.
patent: 3938505 (1976-02-01), Jamshidi
patent: 4642102 (1987-02-01), Ohmori
patent: 4978339 (1990-12-01), Lobouze et al.
patent: 5114405 (1992-05-01), Winter
patent: 5181909 (1993-01-01), McFarlane
patent: 5215524 (1993-06-01), Vallelunga et al.
patent: 5259890 (1993-11-01), Boris
patent: 5263934 (1993-11-01), Haak
patent: 5429610 (1995-07-01), Vailancourt
patent: 5468232 (1995-11-01), Naganuma

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