Patent ID: 9474539
Filing Date: 2016-10-25
CPC Classification: A61B,B33Y

Claim Text:
1. A method of intraoperatively selecting between a partial knee arthroplasty and total knee arthroplasty comprising: mounting a patient-specific three-dimensional surface of a convertible patient-specific guide in a unique position mating to a corresponding surface of a distal femoral bone, the patient-specific guide including an anterior portion and a distal portion with a patellofemoral guide portion; selecting intraoperatively one of a total knee arthroplasty and a partial knee arthroplasty; if total knee arthroplasty is selected, removing first and second covers from corresponding first and second distal guiding bores and registering first and second distal pins through the first and second distal guiding bores; and if partial knee arthroplasty is selected, removing the anterior portion along a frangible groove and using the patellofemoral guide portion.