Arthroscopic cutter having curved rotatable drive

Details Arthroscopic cutter having curved rotatable drive Arthroscopic cutter having curved rotatable drive

1994-09-27

1995-08-01

Rosenbaum, C. Fred

Surgery

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

With means for cutting, scarifying, or vibrating tissue

606170, 606180, A61B 1720

Patent

active

054376300

ABSTRACT:
A powered rotatable surgical tissue working tool for chucking in a powered rotating surgical handpiece includes a tubular elongate outer member having a distal tip portion angled off the central axis of the proximal portion of such tubular outer member, by reason of a angled portion therebetween. A rotatable elongate inner member extends coaxially and rotatably within the tubular outer member and has a rotatably drivable proximal portion, a distal tip portion for tissue working interaction with the distal tip portion of the outer member, and a flexibly bendable portion therebetween rotatably housed within the angled portion of the outer member. An annular space between the inner and outer member communicates between the distal tip portions thereof and the handpiece for permitting suction withdraw of flowable materials from a surgical site axially through such annular space and to a suction source. The annular space is maintained between the flexible portion of the inner member and the angled portion of the outer member despite rotation of the inner member.

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