Arm and shoulder immobilizer - Shouldfix II Ro+Ten The arm and shoulder immobilizer ensures effective immobilization in the event of fractures, dislocations or sprains. Consisting of an arm bag, braces, support band and elbow strap, all adjustable, it offers comfortable and personalized support. It is radiolucent, so it can be used during x-rays. Indicated for humerus fractures, dislocations and post-surgery, it is easy to wear and designed for continuous use, even at night.