Clinical Research Directory

Inclusion Criteria: * Symptomatic osteoarthritis of the knee indicating primary unilateral total knee arthroplasty * Sufficient ligamentous function to warrant retention of the posterior cruciate ligament * Aged 21 years or older * Patients willing and able to comply with follow-up requirements and self-evaluations * Ability to give informed consent Exclusion Criteria: * Active or prior infection * Medical condition precluding major surgery * Known medical condition limiting patient life expectancy to \< 2 years * Expected to receive contralateral TKA within 1 year * Inflammatory arthropathy * Prior patellectomy * PCL deficiency * Major (\>25 degree) coronal plane deformity * Bilateral coronal plane deformity requiring simultaneous bilateral TKA * Bone defects requiring augments, cones and/or stemmed implants * Body Mass Index greater than 40