Pressure relief back cushion
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United States of America Patent
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-
Sep 26, 1995
Issued Date -
N/A
app pub date -
Aug 4, 1993
filing date -
Aug 4, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An integral lower back pressure relief cushion with a substantially U-shaped aperture at the lower portion of the cushion open at the bottom and extending from the front to the rear of the cushion, such that the sacral and coccyx areas of the user are free from pressure contact while the portions of the cushion on either side of the aperture support the posterior superior iliac spine of the user, the cushion comprising at least three segments of resilient material, a removable convex shape in the front side above the aperture, and the rear side having a convex side and support base.
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