Biopsy needle for use with spring-operated actuating mechanism

Details Biopsy needle for use with spring-operated actuating mechanism Biopsy needle for use with spring-operated actuating mechanism

1989-05-08

1990-04-17

Hindenburg, Max

Surgery

Truss

Pad

128754, 606167, 606171, A61B 1000

Patent

active

049171003

ABSTRACT:
A biopsy needles for use with a spring-operated actuating mechanism. The biopsy needle has a slide attached to the proximal end of its cannula and having an elongated slot extending longitudinally away from the cannula and a laterally projecting segment at the end away from the cannula. The biopsy needle also has a slide attached to the proximal end of its obturator and having a laterally projecting outer segment that extends on the opposite side from the laterally projecting segment of the cannula slide. The laterally projecting segment of the obturator slide is offset from the laterally projecting segment of the cannula slide in the direction toward the cannula and obturator when the obturator slide is at the end of the slot in the cannula slide away from the cannula and the obturator.

REFERENCES:
patent: 2705949 (1955-04-01), Silverman
patent: 3477423 (1969-11-01), Griffith
patent: 4600014 (1986-07-01), Beraha
patent: 4776346 (1988-10-01), Beraha et al.

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