Apparatus for shielding a syringe needle

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

1995-12-08

1997-01-21

McDermott, Corrine M.

Surgery

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

Treating material introduced into or removed from body...

604192, 604110, A61M 532

Patent

active

055955665

ABSTRACT:
A syringe shielding apparatus comprising an adapter having a tubular collar and a flexible snap ring joined by a living hinge, and a needle shield. Radially extending projections, provided on the tubular collar, slide within longitudinally extending slots in the needle shield, allowing the longitudinal extension and retraction of the needle shield relative to the housing of the syringe. The flexible snap ring expands into a groove in the needle shield at extension. Expansion of the snap ring into the groove in the needle shield locks the shield in the extended position over the syringe needle.

REFERENCES:
patent: 4897083 (1990-01-01), Martell
patent: 4904244 (1990-02-01), Harsh et al.
patent: 4935016 (1990-06-01), Deleo
patent: 4998924 (1991-03-01), Ranford
patent: 5160326 (1992-11-01), Talonn et al.
patent: 5211630 (1993-05-01), Schmahmann
patent: 5242417 (1993-09-01), Paudler
patent: 5290255 (1994-03-01), Vallelunga et al.
patent: 5490841 (1996-02-01), Landis

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