Robotic Assisted vs Custom Made Total Knee Arthroplasty

Inclusion criteria

• - The patient is a male or non-pregnant female between the ages of 40 and 90 years
• The patient requires a primary total knee replacement
• Patient is deemed appropriate for a cruciate retaining knee replacement
• The patient has a primary diagnosis of osteoarthritis (OA)
• The patient has intact collateral ligaments
• The patient is able to undergo CT scanning of the affected limb
• The patient has signed the study specific, ethics-approved, informed consent document
• The patient is willing and able to comply with the specified pre-operative and post-operative clinical and radiographic evaluations

Exclusion criteria

• - The patient has a history of total, unicompartmental reconstruction or fusion of the affected joint
• Patient has had a previous osteotomy around the knee
• The patient is morbidly obese (BMI > 41)
• The patient has a deformity which will require the use of stems, wedges or augments
• The patient has a varus deformity ≥ 15°
• The patient has a valgus deformity >3°
• The patient has a neuromuscular or neurosensory deficiency, which would limit the ability to assess the performance of the device
• The patient is unable to speak German
• The patient is pregnant