Patent ID: 8226714

Claim:
A graft fixation device for fixing a graft member within a bone tunnel, the device comprising: a radially expandable sheath having proximal and distal ends with first, second, and third sidewalls extending therebetween and defining a central lumen, the first, second, and third sidewalls being separated by longitudinal slots extending between proximal and distal attachment points, wherein the first sidewall has a substantially concave outer surface adapted to seat a graft member, and wherein the first and second sidewalls include surface features formed thereon and extending in an opposite direction to surface features formed on the third sidewall, the sheath having a substantially triangular cross-sectional shape; and a sheath expander adapted to be disposed in the central lumen of the radially expandable sheath and configured to flex the three sidewalls to radially expand the sheath so as to fix the graft member within a bone tunnel.