Donjoy Ambidextrous 3-Panel Orthopedic Support Knee Immobilizer Total knee immobilization, indicated for pre- and post-operative and post-trauma use. Ideal for ligament injuries, meniscal or patellar trauma, and arthroscopy. It allows for extension immobilization, which is crucial for healing. Emergency treatment for immediate knee support. Three-panel design, adjustable for optimal comfort and secure support.