backboard splint

back·board splint

a board splint with slots for fixation of the body by straps; shorter ones are used for neck injuries, longer ones for back injuries.

backboard splint

n.
A board splint with slots for fixation by straps; shorter ones are used for neck injuries, longer ones for back injuries.

back·board splint

(bak'bōrd splint)
A long, wide splint with slots for fixation by straps to immobilize a supine patient; most often used to stabilize suspected spinal injury.