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 a body (1302) having a bone-facing surface (1312) having a customized patientspecific 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 bonefacing surface having a customized patient-specific negative contour configured to 10 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 patients feur that has a corresponding positive contour. A number of orthopaedic 15 surgical instruments are also disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. WO 2009/045960 PCT/US2008/078143 12 l14 /10 GENERATE MEDICAL IMAGES DETERMINE OF PATIENT'S BONY ANATOMY CONSTRAINT DATA TRANSMIT MEDICAL IMAGES AND 16 CONSTRAINT DATA TO VENDOR PROCESSIMAGES CONVERT MEDICAL IDENTIFY IMAGES LANDMARKS DETERMINE BONE 2 CUTTING PLANES GENERATE MODEL OF PATIENT-SPECIFIC ,,26 ORTHOPAEDIC INSTRUMENT F VAUIDATE MODEL 1128 FABRICATE PATIENT-SPECIFIC 30 ORTHOPAEDIC INSTRUMENT PERFORM ORTHOPAEDIC SURGICAL PROCEDURE 3 USING PATIENT-SPECIFIC ORTHOPAEDIC INSTRUMENT