A Multicenter, Postmarket Surveillance Study of Subjects With the Canary canturioTM te Tibial Extension

Inclusion criteria

• Patient must be 18 years of age or older
• Patient qualifies for primary total knee arthroplasty based on physical exam and medical history, including diagnosis of severe knee pain and disability due to osteoarthritis, limited to:
• Mild or Moderate valgus, varus, or flexion deformities
• Patient must be willing and able to complete the protocol required follow-up
• Patient is indicated for a 58mm or 30mm tibial stem extension
• Patient has participated in the study-related informed consent process
• Patient is willing and able to provide written Informed Consent by signing and dating the IRB approved informed consent
• Patient has a platform-compatible personal computer located in their dwelling with appropriate wireless internet access and a USB port
• Independent of study participation, patient is a candidate for commercially available Persona Personalized Knee System implanted in accordance with product labeling

Exclusion criteria

• Simultaneous bilateral TKA
• Staged bilateral TKA less than 6 months from indexed procedure
• Patient is a current alcohol or drug abuser
• Patient is known to be pregnant, breastfeeding, or considered a member of a protected class (e.g., prisoner, mentally incompetent, etc.)
• Patient has a psychiatric illness or cognitive deficit that will not allow proper informed consent and participation in follow-up program
• Patient has previous history of infection in the affected joint and/or a local or systemic infection that may affect the prosthetic joint
• Patient with mental or neurologic conditions who are unwilling or incapable of following postoperative care instructions
• Patient with skeletal immaturity
• Patient has insufficient bone stock on femoral or tibial surfaces
• Patient with Neuropathic Arthropathy
• Patient has osteoporosis, or any loss of musculature or neuromuscular disease that compromises the affected limb
• Patient has severe instability secondary to the absence of collateral ligament integrity.
• Patient has a stable, painless arthrodesis in a satisfactory functional position
• Patient has rheumatoid arthritis accompanied by an ulcer of the skin or a history of recurrent breakdown of the skin
• Patient has a known or suspected sensitivity to one or more of the implant materials
• Patient is undergoing procedures or treatments using ionizing radiation
• Patients with known symptomatic foot, hip, or spinal injuries and/or conditions that could affect gait