Arthroscopy hook-clippers

Details Arthroscopy hook-clippers Arthroscopy hook-clippers

1989-07-19

1991-02-19

Rosenbaum, C. Fred

Surgery

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

With means for cutting, scarifying, or vibrating tissue

128752, 606 83, A61B 1700

Patent

active

049940244

ABSTRACT:
Arthroscopy hook-clippers comprise a circular cross-section outer shaft having at a distal end thereof a fixed jaw and a movable jaw pivoted to the fixed jaw. Within the shaft are a thrust rod which is movable axially thereof to pivot the movable jaw with respect to the fixed jaw, and beside the thrust rod, a vacuum extraction channel. The extraction channel is of substantially circular cross-section excepting that it has a flat upper wall, which co-operates with the upper internal wall of the shaft to define a guideway for the thrust rod the cross-section of which is matched to that of the guideway.

REFERENCES:
patent: 2751908 (1956-06-01), Wallace
patent: 2790437 (1957-04-01), Moore
patent: 4084594 (1978-04-01), Mosior
patent: 4522206 (1985-06-01), Whipple et al.
patent: 4662371 (1987-05-01), Whipple et al.

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