rigid splint definition
[splint] 1. a rigid or flexible appliance for fixation of displaced or movable parts; see also orthosis. 2. to supply support for the purpose of immobilizing an injured or displaced body part. Uses. Splints are most commonly used to immobilize broken bones or dislocated joints. When a broken bone has been properly set, a splint permits complete rest at the site of the fracture and thus allows natural healing to take place with the bone in the proper position.