Apparatus and methods for articular cartilage defect repair

Details Apparatus and methods for articular cartilage defect repair Apparatus and methods for articular cartilage defect repair

1997-05-30

2000-01-25

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606179, 606 88, A61B 1700

Patent

active

060173483

ABSTRACT:
A bone plug removal and emplacement tool includes a cylindrical cutting element having a proximal cutting edge and a cutting tooth. The outer surface of the cutting element can include an integral shoulder (e.g., in lieu of a replaceable outer sheath) that is spaced-apart from the proximal cutting edge and that engages the surface of the bone to define a depth stop for the cutting edge. An additional cylindrical element can be disposed within the cutting element. The proximal end of that additional element, which is referred to as a "harvester," is substantially aligned with the proximal end of the cutting element to receive a plug cut from the bone. The harvester can be slidably withdrawn from the cutting element to facilitate transplating the bone plug at another location. For this purpose, a stem or plunger can be slidably inserted and moved in the harvester to dislodge the plug.

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Case Report, "Arthroscopic Multiple Osteochondral Transplantation to the Chrondal Defect in the Knee Associated with Anterior Cruciate Ligament Disruption" by Yoshitaka Matsusue, M.D., Takao Yamamuro, M.D. and Hiromichi Hama, M.D., pp. 318-322 from Arthroscopy: The Journal of Arthroscopic and Related Surgery 9(3):318-521, Published by Raven Press, Ltd. (1993).
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