Patent ID: 8641721

Claim:
A customized patient-specific orthopaedic surgical instrument, comprising: a customized patient-specific tibial pin guide comprising (i) a body having a bone-facing surface that has a customized patient-specific negative contour configured to receive a portion of an anterior side of a patient's tibia that has a corresponding positive contour, the body having (a) a first hole formed therein with a first locking slot extending in a direction parallel to the axis of the first hole, the first locking slot opening into the first hole, and (b) a second hole formed therein with a second locking slot extending in a direction parallel to the axis of the second hole, the second locking slot opening into the second hole, (ii) a first tab extending posteriorly from the body, the first tab having a bone-facing surface that has a customized patient-specific negative contour configured to receive a first portion of the proximal side of the patient's tibia that has a corresponding positive contour, and (iii) a second tab extending posteriorly from the body, the second tab having a bone-facing surface that has a customized patient-specific negative contour configured to receive a second portion of the proximal side of the patient's tibia that has a corresponding positive contour, a first removable drill bushing having a post with a locking flange extending therefrom, the post of the first removable drill bushing being positioned in the first hole of the body of the customized patient-specific tibial pin guide such that the locking flange of the first removable drill bushing is positioned in the first locking slot of the body of the customized patient-specific tibial pin guide, and a second removable drill bushing having a post with a locking flange extending therefrom, the post of the second removable drill bushing being positioned in the first second hole of the body of the customized patient-specific tibial pin guide such that the locking flange of the second removable drill bushing is positioned in the second locking slot of the body of the customized patient-specific tibial pin guide.