Patent ID: 8002772

Claim:
A surgical tool for mounting a trackable target to a human bone, suitable for fixation to a human femur, comprising: a removable bone clamp, comprising: a bracket, having a width adjustable in a clamping direction; a first jaw pivotably mounted at a first end of said bracket; and a second jaw pivotably mounted at a second end of said bracket and in opposition to said first jaw, such that said first and second jaws are moved closer together or farther apart as said bracket width is varied; wherein said first jaw is pivotable about a first axis and said second jaw is pivotable about a second axis; and wherein said first axis and said second axis are substantially perpendicular to said clamping direction and to each other; and a releasable, interlocking coupling comprising first and second members; said first member of said releasable, interlocking coupling integrated with said removable bone clamp and arranged to mate with said second member of said releasable, interlocking coupling; said second member of said releasable, interlocking coupling capable of mounting a trackable target in a predetermined spatial relationship with said removable bone clamp; wherein said first and second members of said releasable, interlocking coupling comprise a releasable connection mechanically constrained to re-engage only in a re-engaged position that accurately recaptures said predetermined spatial relationship.