All Ligaments Left In Knee Arthroplasty Trial

Exclusion Criteria

• •Age under 18 years.
• •Revision knee replacement surgery.
• •Rheumatoid Arthritis.
• •Traumatic aetiology.
• •History or clinical signs of ACL rupture.
• •Previous arthroscopy related to ACL injury or reconstruction.
• •Correction of a flexion contracture that may require extensive resection of distal femur.
• •Altered pain perception and / or neurologic affection (for example as a complication arising from diabetes).
• •Unable to consent for themselves.
• •Patients with language or cognitive issues that may prevent them completing the follow up requirements.
• •Contraindications for the device:
• •* Cementless application of components.
• •* BMI ≥40 kg/m2.
• •* Use of Anterior Stabilized Bearings.
• •* Patients with severe pre-operative varus or valgus deformity ≥ 15 degrees.
• •* Correction or revision of previous joint replacement procedure on index knee.
• •* Infection.
• •* Sepsis.Osteomyelitis.
• •* Osteoporosis (requiring treatment).
• •Relative contraindications include:
• •* Unco-operative patient or patient with neurologic disorders who is incapable of following directions.
• •* Osteoporosis.
• •* Metabolic disorders which may impair bone formation.
• •* Osteomalacia.
• •* Distant foci of infections which may spread to the implant site.
• •* Rapid joint destruction, marked bone loss or bone resorption apparent on roentgenogram.
• •* Vascular insufficiency, muscular atrophy, neuromuscular disease.
• •* Incomplete or deficient soft tissue surrounding the knee, including the anterior cruciate ligament.