Bone graft harvest device
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United States of America Patent
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Oct 25, 2011
Grant Date -
May 24, 2007
app pub date -
Nov 21, 2006
filing date -
Nov 23, 2005
priority date (Note) -
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Abstract
A bone harvesting tool includes an elongate hollow collection cannula with a lumen for receiving harvested bone tissue. Holes are formed through the collection cannula to permit visual observation of the volume of bone tissue that has been collected. Cutting blades are mounted to the distal end of the collection cannula and are configured for cutting into bone tissue. The cutting blades are aligned so that the harvested bone tissue advances proximally into the lumen of the collection cannula. A guide pin is telescoped into the collection cannula and through the blades. The guide pin is employed for initial positioning of the tool on the bone. A plug near the distal end of the guide pin enables the guide pin to be used for expelling the collected bone tissue from the collection cannula.
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