Patent ID: 8444651

Claim:
A guidance tool for intraoperative use during tissue, bone or joint manipulation, comprising: a body portion, including; a patient-specific mating surface that is preoperatively designed to mate with one or more first landmarks of a corresponding registration surface of the patient's anatomy, said mating surface for positioning said guidance tool on said registration surface of the patient's anatomy; and at least one guide mechanism adapted to guide at least one medical instrument at one or more position and trajectory relative to the one or more first landmarks of the patient's anatomy; the guidance tool further comprising a verification tool that includes: a protruding part that removably engages the body portion; and a pointer extending from the protruding part; wherein the pointer is adapted to locate one or more preoperatively selected second landmarks on the patient's anatomy, to verify at least one of (i) the position of the guidance tool on the patient's anatomy and (ii) the position and trajectory of the at least one medical instrument when the at least one medical instrument is inserted into the at least one guide mechanism.