Patent ID: 7985230

Claim:
An impactor assembly for harvesting osteochondral plugs, comprising: a shaft having a proximal end and a distal end; a harvest guide cap extending from the distal end of the shaft; and a harvest guide configured to fit within the harvest guide cap, the harvest guide having an axis, a top, a sidewall with a slot extending from the top and a bottom, an interior cavity having a cross-section that is generally square or generally round, the inner cavity configured to receive either an orientation guide or a cutting device for orienting and harvesting osteochondral plugs; and a plurality of tissue engagement posts equal in axial length, extending substantially perpendicularly from the bottom of the harvest guide and configured to be driven into a bony tissue of a condyle and prevent the harvest guide from moving relative to the bony tissue of the condyle; the orientation guide further comprising: a body having an axis, a top, a sidewall perimeter and a bottom; a first foot extending from the bottom of the body; a second foot extending from the bottom of the body; a third foot extending from the bottom of the body and the first, second and third feet are equal in axial length, wherein the orientation guide is configured to rest on bony tissue and wherein the first foot, the second foot and the third foot are configured such that the orientation guide is properly oriented when all three of the first foot, the second foot and the third foot are in simultaneous contact with the bony tissue; a handle extending from the body, wherein the handle includes a portion that extends laterally beyond the sidewall perimeter and is substantially perpendicular to the axis to facilitate placement of the orientation guide within a sidewall slot of the harvest guide and facilitate retrieval of the orientation guide from within the harvest guide; wherein the orientation guide is configured to fit within the harvest guide and orient the harvest guide relative to bony tissue.