Articular cartilage harvesting knife

Details Articular cartilage harvesting knife Articular cartilage harvesting knife

1998-10-16

2000-02-29

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

606170, A61B 1732

Patent

active

060304006

ABSTRACT:
An articular cartilage harvesting knife is disclosed which includes a rod having an elongated slot adjacent a distal end of the rod, the slot having a major axis lying substantially along the rod's longitudinal axis. An opening is provided in a sidewall of the rod which communicates with the slot. The proximal end of the opening defines a rearwardly extending inclined plane within the rod and an edge on the outer surface of the sidewall which, when sharpened, defines a cutting edge. When cutting edge is advanced under pressure along cartilage, the cartilage is stripped and moves into the slot and opening. In one embodiment of the invention the rod is hollowed so that stripped cartilage can be drawn from the slot and opening by suction.

REFERENCES:
patent: 2690750 (1954-10-01), Steinberg
patent: 4340066 (1982-07-01), Shah
patent: 5300084 (1994-04-01), Johnson

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