Wrist brace

An orthosis adapted to be worn on a human forearm and hand for immobilizing the wrist joint, comprising a stiff body having an exostructure enclosing an elongated core, wherein the exostructure comprises or consists of a thermoplastic material, and

• wherein the stiff body comprises:
• (i) a metacarpal section
• a. having a ring-shaped or ring-segment-shaped thumb holding section adapted to receive the thumb of the human hand,
• b. having a palmar section adapted to be brought into engagement with the palm of the human hand, and
• c. having an ulnar section adapted to wrap around the human hand from the volar to the dorsal side,
• (ii) an elongated middle section adapted to be brought into engagement with the human forearm, and, optionally, wrist, on their medial or lateral side, the elongated middle section being connected to only the thumb holding section of the metacarpal section;
• and
• (iii) a forearm section adapted to wrap around the human forearm from its ventral to its dorsal side;
• wherein the elongated middle section is engageable with only a radial side of the forearm, and the forearm section extends from the radial side of the forearm toward an ulnar side of the forearm in both a first direction and a second direction.