Protractable and retractable hypodermic needle syringe

Details Protractable and retractable hypodermic needle syringe Protractable and retractable hypodermic needle syringe

1995-08-14

1998-06-09

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

057626340

ABSTRACT:
A protractable and retractable hypodermic needle syringe device having a syringe barrel, a cylindrical plunger with a cam sleeve, a cam drive shaft, a needle carrier with a cam follower tab, and a hypodermic needle. The hypodermic needle can be moved by the cam system from a retracted position within the plunger to a protracted, operable position. The needle can be detached in the operable position, and reattached after use, onto the needle carrier. The plunger has a resealable membrane which is traversed by the needle and can be selectively prevented from longitudinal movement within the syringe barrel.

REFERENCES:
patent: 5188599 (1993-02-01), Botich et al.
patent: 5195985 (1993-03-01), Hall
patent: 5222945 (1993-06-01), Basnight
patent: 5342308 (1994-08-01), Boschetti
patent: 5346480 (1994-09-01), Hess et al.
patent: 5393301 (1995-02-01), Goldberg
patent: 5401249 (1995-03-01), Shields
Brochure by US Medical Insutrments, Inc, .COPYRGT. 1994.
Plastics World, Aug. 1993, vol. 51, No. 8, pp. 5, 14, 20-24.

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