Biopsy syringe device

Details Biopsy syringe device Biopsy syringe device

1989-12-18

1991-01-22

Green, Randall L.

Surgery

Truss

Pad

604119, 604121, 604187, 604220, 604238, 604256, A61B 1000

Patent

active

049862782

ABSTRACT:
A biopsy syringe for removing a specimen from a subject includes a tubular housing having a long hollow needle and two pistons. The first piston carries a mandrel received in the hollow needle. The second piston defines a chamber between it and the first piston enabling the syringe to be pre-loaded with a vacuum which is manually controllable so as to permit the first piston to be actuated to a retracted position in a smooth and simple manner while holding the biopsy syringe.

REFERENCES:
patent: 4469482 (1984-09-01), Lissenburg et al.

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