Hypodermic syringe

Details Hypodermic syringe Hypodermic syringe

1987-06-10

1989-07-25

Schwadron, Martin P.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

048509949

ABSTRACT:
The invention relates to a hypodermic syringe in which a hollow needle is surrounded by a protective sheathing in such a way that after the injection has been performed the protective sheathing encloses the tip of the hollow needle to provide protection.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 4356822 (1982-11-01), Winstead et al.
patent: 4631057 (1986-12-01), Mitchell
patent: 4681567 (1987-07-01), Masters et al.

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