Apparatus and method for relieving lumbar pain

Details Apparatus and method for relieving lumbar pain Apparatus and method for relieving lumbar pain

1996-04-15

1997-10-14

Trettel, Michael F.

Beds

Support means for discrete portion of user, useable with bed...

5652, 128 84, A61C 704

Patent

active

056758502

ABSTRACT:
A bolster has an axial compressibility profile chosen so that lumbar pain can be relieved when the user places the bolster under his or her spine and rolls from a softer portion of the bolster to a firmer portion of it. A preferred bolster comprises a tubular outer portion formed from a resilient closed-cell polymeric foam material such as polyurethane. This outer tubular portion serves to cushion the user and prevent discomfort. The bolster has a relatively rigid portion at one or both ends, and a transition portion between the rigid end and a softer portion some distance from the end.

REFERENCES:
patent: 2612158 (1952-09-01), Manley
patent: 2663881 (1953-12-01), Mira
patent: 2777440 (1957-01-01), Baker
patent: 3719185 (1973-03-01), Hanes
patent: 3842453 (1974-10-01), Redfield
patent: 5020175 (1991-06-01), Kirkpatrick et al.
patent: 5544377 (1996-08-01), Gostine

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