If you're looking for orthopedic equipment you might find something in my board below. There are some products which become useful or necessary when health deteriorates. Check out the information below and places where to buy them. Here are my sugesstions.
Coccyx Gel / Foam Cushion for Wheelchair
A foam cushion for a wheelchair which is filled with gel that is going to decrease the coccyx pain (tailbone pain). It is shaped the way to make it suitable for all people's heads/necks. The product is upholstered.