| 摘要 |
PCT No. PCT/AU93/00201 Sec. 371 Date Nov. 4, 1994 Sec. 102(e) Date Nov. 4, 1994 PCT Filed May 5, 1993 PCT Pub. No. WO93/21870 PCT Pub. Date Nov. 11, 1993.A bolster for physical therapy procedures comprising a hollow approximately cylindrically shaped body (1), the body having a shape lying within the dimensions with a middle approximately cylindrical diameter portion of a minimum of 70 mm and a maximum of 200 mm, and having a length lying within the range of 160 mm to 500 mm, and having a wall defining the body shape which is comprised of the material and having such thickness that the shape of the bolster is substantially self restoring when the hollow body is open to atmosphere. The bolster includes ends (5, 6) which are of convex shape and include openable valves (2, 3) one at each end. The material from which the bolster is made includes both elasticity and pliability and is selected to have a "grippy" feel with respect to human skin and be relatively warm to touch.
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