Bone tendon bone assembly with allograft bone block
First Claim
Patent Images
1. A sterile composite graft comprising:
- first and second bone blocks, each bone block defining a plurality teeth which extend outward from an outer surface of said bone block a central through going bore having a cross section which will allow a ligament replacement to be passed there through and at least one longitudinal channel cut substantially parallel to the axis of the central through going bore in the exterior surface of said bone block and a ligament replacement mounted to said bone blocks, said ligament replacement extending through said central bore of said bone blocks and around said first and second bone blocks seated in said longitudinal channel.
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Abstract
The invention is directed toward a bone block, a bone-tendon-bone assembly and method of tendon reconstruction in which at least one tendon replacement is extended between two bone blocks and fixed within each of two bone tunnels in the bones of a joint using interference screws. Each bone block has a central through going bore and at least one substantially parallel channel longitudinally cut in the exterior of the bone block body in which the ligament replacements are seated. One end of each bone block has a rounded recess leading from the central bore to the exterior parallel channel.
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Citations
75 Claims
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1. A sterile composite graft comprising:
- first and second bone blocks, each bone block defining a plurality teeth which extend outward from an outer surface of said bone block a central through going bore having a cross section which will allow a ligament replacement to be passed there through and at least one longitudinal channel cut substantially parallel to the axis of the central through going bore in the exterior surface of said bone block and a ligament replacement mounted to said bone blocks, said ligament replacement extending through said central bore of said bone blocks and around said first and second bone blocks seated in said longitudinal channel.
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62. A sterile bone block for use in implants comprising:
- an allograft cylindrical bone block body defining a plurality of teeth which extend outward from an outer surface of said bone bode a central through going bore and at least one substantially parallel longitudinal channel cut in an exterior surface of said bone block body, said bone block body defining a rounded notch formed in one end to accommodate a ligament replacement, said notch extending around an end of bone block leading from said central bore to a substantially parallel longitudinal channel cut in the exterior surface of said bone block body, said bone block body further defining a plurality of holes drilled radially through the body of said bone block from an outer surface through to the central bore.
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Specification