- 1). Decide what type of splint you will use to immobilize your thumb. Medical supply stores carry thumb splints that provide padding as well as rigid support. Choose a splint that is straight and the correct size for your thumb. Or, use a popsicle stick or tongue depressor that has been thoroughly cleaned and dried if needed.
- 2). Remove any rings from your thumb or jewelry from your hand or wrist, which can cause constriction if swelling is occurring. Placing a splint over jewelry can cause additional discomfort.
- 3). Place your hand on its side on a table or flat surface, with your thumb pointing upward. Keep your thumb as straight as possible.
- 4). Place the splint on your thumb. Some splints fit over the thumb, like a cage. If using a flat, straight splint, place it against the underside of the thumb, on the palm side. If your splint has padding, place the padded side against the skin.
- 5). Wrap a strip of medical tape around the top of the thumb, over the nail, securing the splint to the thumb. Place another strip of tape around the splint and thumb at near the thumb joint. You may place a third strip of tape in between the top and bottom if needed. You should not be able to bend your thumb at either joint once the splint has been taped in place.
- 6). Secure the splint with a 2-inch-wide gauze roll to add protection to the splint. Wrap the gauze roll around the thumb and splint several times until the splint is completely covered, and secure with tape at the top and bottom.
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