Apparatus for shielding a syringe needle

Details Apparatus for shielding a syringe needle Apparatus for shielding a syringe needle

1993-02-02

1994-03-01

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604110, 604195, 604198, 604192, A61M 532

Patent

active

052902552

ABSTRACT:
A needle shield and syringe assembly are provided. The main components of the needle shield are a hollow sleeve, a needle shielding means, and a snap ring. Radially extending protrusions are provided on the hollow sleeve, which slide within longitudinally extending slots in the needle shielding means allowing extension and retraction of the needle shielding means. The snap ring is positioned within a groove in the hollow sleeve at retraction, and extends into a groove in the needle shielding means at extension. Extension of the snap ring into the groove in the needle shielding means locks the shield in the extended position over the syringe needle.

REFERENCES:
patent: 4135510 (1992-08-01), Maszkiewicz
patent: 4666435 (1987-05-01), Braginetz
patent: 4743233 (1988-05-01), Schneider
patent: 4871355 (1989-10-01), Kikkawa
patent: 4923445 (1990-05-01), Ryan
patent: 4923447 (1990-05-01), Morgan
patent: 4935016 (1990-06-01), Deleo
patent: 4998920 (1991-03-01), Johnson
patent: 5024616 (1991-06-01), Ogle, II
patent: 5059185 (1991-10-01), Ryan
patent: 5098403 (1992-03-01), Sampson
patent: 5197953 (1993-03-01), Colonna
Janine Jagger, et al., New England Journal of Medicine, 319: 284-288 (1988).
Susan Doan-Johnson, Nursing92, p. 24 and p. 27, Aug. 1992.
Kathy Bowles and Mary Lynch, RN, pp. 42-45, Jul. 1992.
Accidental Needle Sticks, product literature for Monoject Safety Syringe of Sherwood Medical Company, (St. Louis, Mo.) 1992.

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