Beds – Mattress
Patent
1997-03-25
2000-04-25
Lindsey, Rodney M.
Beds
Mattress
5736, 5740, 5691, 5901, A47C 2715
Patent
active
060528516
ABSTRACT:
A mattress which increases the surface area contacting the patient's skin, and which conforms evenly to the skin over the skin/surface interface. A mattress includes a flat layer of foam that is temperature sensitive and which has rate-dependent deflection which provides maximal hysteric dampening and maximal tissue/surface interface contact. Different stiffnesses of foam are used under key areas to allow support and at the same time to allow the tissue to reach mechanical equilibrium. The maximal surface contact will apply constant low pressure to the tissues, thus reducing the shear force and the risk of tissue injury.
REFERENCES:
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patent: 4972535 (1990-11-01), Goldman
patent: 5022111 (1991-06-01), Fenner
patent: 5077849 (1992-01-01), Farley
patent: 5141285 (1992-08-01), Park
patent: 5317768 (1994-06-01), Klancnik
patent: 5488746 (1996-02-01), Hudson
Alimed, Orthopedic Rehabilitation 1993-94 297 High Street, Dedham, MA 02026-9135 M230 and M248.
Human Factors in Effective Seating Design By Brian Joyal E-A-R Specialty Composites Division, Cabot Safety Corporation 7911 Zionsville Road Indianapolis, IN 46268.
New York Times Magazine, Nov. 5, 1995, p. 33 Brookstone Tempur-Pedic 1655 Bassford Drive, Mexico, MO 65265-13382.
Conley Fredrick
Lindsey Rodney M.
LandOfFree
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