CPC A61F 2/447 (2013.01) [A61F 2/4455 (2013.01); A61F 2/4611 (2013.01); A61F 2002/30405 (2013.01); A61F 2002/30482 (2013.01); A61F 2002/30507 (2013.01); A61F 2002/30515 (2013.01); A61F 2002/30538 (2013.01); A61F 2002/30579 (2013.01); A61F 2002/30593 (2013.01); A61F 2002/30836 (2013.01); A61F 2002/30841 (2013.01); A61F 2/4603 (2013.01); A61F 2002/4627 (2013.01); A61F 2310/00023 (2013.01); A61F 2310/00029 (2013.01); A61F 2310/00407 (2013.01)] | 18 Claims |
1. A spacer for separating bones of a joint, the spacer comprising:
a first endplate configured to engage a first bone of the joint;
a second endplate configured to engage a second bone of the joint;
tissue engaging projections, wherein the tissue engaging projections each comprise an elongated body portion and a ridge that extends at angle with respect to the elongated body; and
an actuation subassembly that extends between the first endplate and the second endplate,
wherein the actuation subassembly further includes a cam frame comprising a proximal frame end, a distal frame end, and lateral frame sides.
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