| 摘要 |
A support device comprising, a ring having inner and outer surfaces which, when fitted around a part of the body, lifts that part of the body clear of the surface on which the outer surface of the ring rests, and which permits the said part of the body to move. In a preferred embodiment the support device is U-shaped, is adapted to elevate the head of a user, and is removably attachable to the head of the user with the aid of a slider strap.
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