Disposable shield medical syringe

Details Disposable shield medical syringe Disposable shield medical syringe

1988-08-30

1989-12-19

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604218, 604220, A61M 532

Patent

active

048880027

ABSTRACT:
A disposable shielded medical syringe wherein the contaminated needle is connected to a piston slidably mounted in the syringe barrel. The syringe plunger piston is threadably connectable to the needle piston for pulling the contaminated needle into the barrel to the shielded position. The syringe plunger is disconnectable from the plunger piston after the needle has been moved to the shielded position and a cap is insertable into the open end of the syringe barrel to completely enclose the contaminated needle.

REFERENCES:
patent: 4507117 (1985-03-01), Vining et al.
patent: 4710170 (1987-12-01), Haber et al.

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