1.1 2014-12-01 published Ortho Approach lateral (deprecated) Lateral posterior Posterior anterior Anterior bytrochanterotomy By Trochanterotomy withfemoralosteotomy With Femoral Osteotomy other (deprecated) Other subvastus Subvastus midvastus Midvastus parapatellarlateral Parapatellar Lateral parapatellarmedial Parapatellar Medial tuberositasosteotomie Tuberositasosteotomie antelateral Ante lateral postlateral Post lateral