Safety syringe

Details Safety syringe Safety syringe

1993-05-07

1994-04-19

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, A61M 500

Patent

active

053041372

ABSTRACT:
A safety hypodermic syringe designed to prevent accidental puncture injuries including a syringe body with a needle assembly having a protective sleeve member which slides over the needle and protects the user from accidental punctures. The syringe is designed so that the sleeve member automatically covers the needle when the syringe is not in use. Disposed between the end of the syringe body and the sleeve member is a biasing means, such as a spring, which forcibly moves the sleeve member downward over the needle covering the distal end thereof. Disposed on opposite sides of the syringe body parallel to the longitudinal axis thereof are two flexible arms which when pressed inward, allow the sleeve member to slide upward so that the user may insert the end of the needle into the skin. When the needle is removed from the skin, the spring forces the sleeve member downward over the end of the needle.

REFERENCES:
patent: 4943281 (1990-07-01), Kothe
patent: 4994042 (1991-02-01), Vadher
patent: 5201708 (1993-04-01), Martin
patent: 5201720 (1993-04-01), Borgia et al.

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