Total Knee Replacement with Prenavigation and Custom Cutting Blocks

Total knee arthroplasty using prenavigation and patient-specific instrumentation is becoming increasingly popular. Some studies have demonstrated decreased operative times and improved implant alignment when using these techniques, and several major orthopedic device manufacturers now offer this technology in conjunction with their implant systems. Custom cutting guides are manufactured based on preoperative imaging and require careful surgical planning by the surgeon. This article will discuss our methods of presurgical planning and surgical technique using a commercially available system.