Surgery – Instruments – Orthopedic instrumentation
Patent
1995-08-03
1997-07-01
Buiz, Michael
Surgery
Instruments
Orthopedic instrumentation
606 86, 606176, 606179, A61B 1700
Patent
active
056432704
ABSTRACT:
A multi-plane curvilinear saw, corresponding guide and related method are provided for shaping the end of a bone that forms one member of a joint, such as a bone in a digit. The finished end is hemispherical in shape so as to better engage the mating bone end. The saw includes a hollow, hemispherically shaped body with a row of arcuately disposed cutting teeth along an exposed edge of the front, and an open rear portion. A shank extends from the other side of the body for attachment to the chuck of a hand piece with a high-speed oscillating motion. The guide is formed from an elongated inverted channel with parallel curved slots in a terminal portion. The curvature of the slots corresponds to the curvature of the saw and the row of cutting teeth. The method includes the steps of securing the guide to the top of the digit above the joint and oscillating the saw, pitching forward and slightly tilting within the guide slots to shape and finish the bone end.
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KaMing Li, MD et al., "Endoscopic Retrieval of Severed Flexor Tendons", Mar. 1995, The Journal of Hand Surgery, pp. 278-279.
Buiz Michael
Leonard Mark S.
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