Anti-backout arthroscopic uni-compartmental prosthesis
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United States of America Patent
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Aug 19, 2014
Grant Date -
Jul 31, 2008
app pub date -
Mar 17, 2008
filing date -
Dec 17, 2003
priority date (Note) -
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Abstract
An improved uni-compartmental implant has a shaft having a proximal end attached to a head and a distal end, and one or more raised portions spaced apart along the shaft to resist back-out. The length between the head and distal end is preferably less than 50 mm, the distal end of the shaft has a diameter on the order of 2 to 3 mm, the proximal end of the shaft has a diameter on the order of 2 to 4 mm, and the head has a diameter ranging from 4 mm or less to 20 mm or more, making the device suitable for knee arthroscopy and other applications.
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