A novel surgical caliper to measure the width of the facet joint during a laminectomy.

A chair specifically designed to safely and comfortably sit infants and young children that are immobilized by a cast that spans from the mid abdomen to the ankle, all while allowing proper social and cognitive development. The chair incorporates extra space for the casted torso and legs, as well as multiple aspects of adjustability to fit the wide range of children sizes and to fit under tables of varying heights.