- The model consists of a plastic hand in which the carpal bones, the radius and ulna, together with the carpal disc and the intra-articular ligaments are visible.
- On the extensor sideof the hand , there are two points of access to the inner cavity of the joint: a radiodorsal and an ulnodorsal opening.
- The carpal disc can be attached to the ulna and the carpal ligaments on both the flexor and extensor sides, and can be exchanged or replaced as required.