Hypodermic syringe with needle shield

Details Hypodermic syringe with needle shield Hypodermic syringe with needle shield

1989-01-31

1991-03-05

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604263, A61M 532

Patent

active

049974220

ABSTRACT:
A needle shielding device attachable to a hypodermic syringe for protecting a user from contacting the tip of a needle. The device comprises a generally cylindrical needle shield slidably engaging a syringe body for protecting a user from being stuck by the needle tip of the syringe. The needle shield continuously frictionally engages and grips the syringe body as the shield is moved between a retracted position wherein the needle extends forwardly of the needle shield and a extended position wherein the needle tip is protectively enclosed by the needle shield.

REFERENCES:
patent: 2571653 (1951-10-01), Bastien
patent: 2925083 (1960-02-01), Craig
patent: 3306290 (1967-02-01), Weltman
patent: 3527216 (1970-09-01), Snyder
patent: 3563239 (1971-02-01), Hill
patent: 3584626 (1971-06-01), Johansson
patent: 4026287 (1977-05-01), Haller
patent: 4425120 (1984-01-01), Sampson et al.
patent: 4631057 (1986-12-01), Mitchell
patent: 4650468 (1987-03-01), Jennings, Jr.
patent: 4664653 (1987-05-01), Sagstetter et al.
patent: 4702739 (1987-10-01), Milorad

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