medical devices, namely, orthotic seating systems comprised of custom fabricated back and seat modules, cushioning pads for medical purposes comprised of air cells for use in protecting soft tissue absorbing shock, and protecting against shear and friction for use on flat or contoured surfaces

movable wheelchair back supports, cushioning comprised of air cells for use in protecting soft tissue, absorbing shock and protecting against shear and friction for use on flat or contoured surfaces sold as an integral part of a wheelchair or wheelchair cushion, orthotic wheelchair seating system comprised of custom fabricated back and seat modules, and wheelchair cushions