Biopsy needle

Details Biopsy needle Biopsy needle

1994-09-09

1996-08-20

Rimell, Sam

Surgery

Truss

Pad

128751, 128799, A61B 1000

Patent

active

055469574

ABSTRACT:
A biopsy system includes a biopsy gun and a biopsy needle, the latter of which has an inner needle, also called a mandrel, and an outer tube, also called a cannula. The mandrel has a recess in the vicinity of its distal end which receives the tissue sample to be collected and has a first collecting element at its proximal end for connection with a slide of the biopsy gun. The cannula also has a connecting element at its proximal end for connection with another slide of the biopsy gun. The connecting elements each have an opening into which a pin provided on each of the respective slides can be inserted. In addition, at least one slide has a rib that extends in the lengthwise direction of the biopsy needle, the rib engaging a corresponding connecting element.

REFERENCES:
patent: 3995619 (1976-12-01), Glatzer
patent: 4924878 (1990-05-01), Nottke
patent: 4950265 (1990-08-01), Taylor
patent: 4958625 (1990-09-01), Bates et al.
patent: 5172701 (1992-12-01), Leigh
patent: 5183052 (1993-02-01), Terwilliger
patent: 5188118 (1993-02-01), Terwilliger
patent: 5224470 (1993-07-01), Schnepp-Pesch et al.
patent: 5241969 (1973-09-01), Carson et al.

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