Overview

A randomized, controlled study comparing two total knee implant devices, Persona medial congruent (MC) vs posterior stabilized (PS). These surgeries will be performed using the ROSA robotic system. Patients will be followed up to 5 years.

Eligibility

Inclusion Criteria:

1. Patients ≥18 years of age
2. Patients scheduled an elective primary TKA for a diagnosis of osteoarthritis or inflammatory arthritis using the ROSA Knee System.
3. Patient is willing to cooperate and follow study protocol and visit schedule
4. Subject has access to a device is capable of pairing to the Apple Watch, supporting application updates and is compatible with the mymobility App.

Exclusion Criteria:

1. Patient is pregnant
2. Patient is unable to provide written consent
3. Revision TKA
4. History of prior infection in the affected knee
5. History of prior open surgery with significant hardware in place on the affected knee (i.e. prior distal femur or proximal tibia fracture or osteotomy)
6. Preoperative diagnosis of post-traumatic arthritis, avascular necrosis, or fracture