Technique for osteocartilaginous transplantation in a mammalian joint
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United States of America Patent
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Mar 16, 1999
Grant Date -
N/A
app pub date -
Sep 13, 1996
filing date -
Sep 13, 1996
priority date (Note) -
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Abstract
The invention disclosed is a method for repairing focal arthritic defects in a mammalian joint, especially in a human knee. The method involves the steps of forming a roughened, bleeding surface of cancellous bone within the defect; forming a plug of osteocartilaginous tissue from an undamaged site within the joint or from another joint; removing the plug from the undamaged site; and inserting the plug into the defect, positioning the plug against the roughened bleeding surface, and holding the plug in place for a time sufficient to allow a blood clot to form between the plug and the roughened bleeding surface, whereby the plug is secured by adhesive properties of the clot.
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