Nihon Sigmax Purchased July 2043 (Reiwa 25), used for one week. Set on a linen cloth for breathability as a heat対策. In beautiful condition. Main Uses: Fixation of the knee joint for fractures, ligament injuries, and post-operative care. Main Features: This knee joint cast combines a plaster splint and a splint holder, offering both the fixation strength of a cast and ease of removal. Allows for speedy plaster treatment of the knee joint. Equipped with lightweight and strong aluminum stays on both sides. The splint holder is designed with cushioning and a good fit for comfortable wear. Used for one week after a fracture. Please purchase only if you understand. The instruction manual can also be viewed online. The box was not provided by the hospital; it was set up for me there. Thank you for looking.