(a) Non-invasive fixator (Cambfix, Polyarmour) on the right forearm of a female patient with DRF who can hold a pen, mobilise the wrist and rest the forearm. (b) Non-invasive fixator (Cambfix, Polyarmour) on a male patient in standard configuration: three articulated radiolucent bracelets lined with waterproof polylattice membrane, interconnected by carbon fibre rods, which are captured by connectors that allow 360 degree freedom of movement before setting the system rigid. (c) Cambfix device on the wrist showing three articulated bracelets with interconnecting rods and selectively lockable hinge on the ulnar side. (Photograph courtesy of Cambfix Ltd).