A wrist splint is a brace that looks like a fingerless glove and that stabilizes your wrist in a straight and sometimes slightly bent-back position. Wearing a wrist splint minimizes pressure on the median nerve and allows you a period of "relative rest" from movements that make carpal tunnel syndrome worse.
Consider the following guidelines when using a wrist splint:
Splints are available in drugstores without a prescription. They are also available by prescription from orthopedic and medical supply stores. Physical and occupational therapists can make custom-fit splints from lightweight materials that may be more comfortable to wear.
WebMD Medical Reference from Healthwise