PATIENT-SPECIFIC SURGICAL GUIDANCE TOOL AND METHOD OF USE

摘要

Presented is a preoperatively designed guidance tool for intraoperative u se during bone or joint surgery wherein the guidance tool is specific to the anatomy of the patient being treated. The guidance tool comprises a body po rtion, a mating surface provided on the body portion for positioning the gui dance tool on a corresponding registration surface of a patient's anatomy. T he guidance tool further comprises at least one guide mechanism provided on the body portion for guiding a medical instrument at one or more preoperativ ely defined trajectories relative to a patient's anatomy. In the event of mi salignment, the at least one guide mechanism is adjustable to alter the one or more preoperatively defined trajectories if necessary during intraoperati ve use. Also presented is a preoperative process for designing the guidance tool.