Surgery – Instruments – Cutting – puncturing or piercing
Patent
1997-05-16
1999-04-27
Buiz, Michael
Surgery
Instruments
Cutting, puncturing or piercing
606 82, 30392, A61B 1732
Patent
active
058975705
ABSTRACT:
A ring blade and drive system, and method of using same, for harvesting bone-tendon-bone ligament grafts having substantially cylindrical bone plugs. The ring blade disclosed is a circular ring having a predetermined arcuate gap formed in its periphery. The drive system includes a blade holder to peripherally hold the ring blade and a fixed-center oscillating mechanism to oscillate the ring blade about its axis within a predetermined arcuate range of motion. The ring blade structure enables the production of a substantially cylindrical bone plug of unlimited length. Harvesting of a bone-tendon-bone ligament graft is facilitated with the ring blade and method disclosed which enables the ring blade to be placed partially around a tendon segment to create bone plugs aligned with the tendon fibers included in the defined tendon segment. The cuts into the bone may be initiated into the bone at either end of the tendon segment from the tendon side through to the exterior of the bone to which the tendon is attached.
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Blaricom Terry Van
Palleva William
Buiz Michael
Linvatec Corporation
Shai Dapha
Warzecha Gene
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