Safety system for hypodermic syringe and needle

Details Safety system for hypodermic syringe and needle Safety system for hypodermic syringe and needle

1988-06-20

1990-04-10

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604198, 604263, A61M 532

Patent

active

049156969

ABSTRACT:
A simple, economical, easy to manufacture and use system for protecting against unintended pricks from used hypodermic syringes and needles, and the leakage of fluid therefrom is disclosed. The system involves an adaptation to standard syringes comprised of a guide, and needle securing plunger which fits into the guide. Provision to prevent the needle securing plunger from falling out of the guide is included, as are needle securing plunger design considerations which serve to ensure the needle securing plunger will allow embedding a needle in a needle pocket at the end of the needle securing plunger, and which serve to provide natural spring from interaction of the guide and the needle securing plunger when the end of the needle securing plunger, (i.e., the needle pocket region), is in place over a needle tip. Additionally, a preferred packaging system to assure sterility and allow easy identification of needle or syringe length or gauge, etc. is disclosed. Also taught, is the method of use of the system to both protect and re-expose a hypodermic needle point.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 2674246 (1954-04-01), Bower
patent: 4425120 (1984-01-01), Sampson
patent: 4573976 (1986-03-01), Sampson
patent: 4631057 (1986-12-01), Mitchell
patent: 4655751 (1987-04-01), Hasbaugh
patent: 4659330 (1987-04-01), Nelson
patent: 4664654 (1987-05-01), Strauss
patent: 4666435 (1987-05-01), Braginetz
patent: 4681567 (1987-07-01), Masters
patent: 4693708 (1987-09-01), Wanderer
patent: 4702738 (1987-10-01), Spencer

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