Bone graft harvest device

Details Bone graft harvest device Bone graft harvest device

2006-11-21

2011-10-25

Barrett, Thomas C. (Department: 3775)

Surgery

Instruments

Orthopedic instrumentation

Reexamination Certificate

active

08043291

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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patent: 6767354 (2004-07-01), Johanson et al.
patent: 2006/0004369 (2006-01-01), Patel et al.

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