Customized patient-specific orthopaedic surgical instrumentation

摘要

A customized patient-specific orthopaedic instrument, comprising : a customized patient-specific femoral cutting block (1300) that comprises : (i) a body (1302) having a bone-facing surface (1312) having a customized patient-specific negative contour (1328) configured to receive a portion of an anterior side of a patient's femur that has a corresponding positive contour; (ii) at least one tab extending posteriorly form the body, the at least one tab (1304, 1306) having a bone-facing surface having a customized patient-specific negative contour configured to receive a portion of the distal side of the patient's femur that has a corresponding positive contour; and (iii) a lip (1308, 1310) extending superiorly from an end of the at least one tab, the lip having a bone-facing surface having a customized patient-specific negative contour configured to receive a portion of the posterior side of the patient's femur that has a corresponding positive contour. A number of orthopaedic surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed.