Adjustable spinal support

Details Adjustable spinal support Adjustable spinal support

1991-01-08

1991-12-10

Trettel, Michael F.

Beds

Bedclothing

And means to facilitate changing thereof

5457, 5464, A47C 2710

Patent

active

050705598

ABSTRACT:
A novel portable spinal support which is useful for supporting the lumbar region of a person's spine and reinforcing areas of a mattress to provide spinal support. A multiple chambered pneumatically inflatable spinal support comprising: (a) a first type discrete pneumatically inflatable chamber located in the interior of the support; (b) at least two second type discrete pneumatically inflatable chambers located on one side and adjacent to the first chamber; (c) at least two third type discrete pneumatically inflatable chambers located adjacent to the first chamber on the side opposite to the second chambers; (d) at least two fourth type discrete pnematically inflatable chambers, one located adjacent to the first chamber at one end of the support and the other located adjacent to the first chamber at the opposite end of the support; and (e) separate inflation valve means for each chamber, said inflation valve means being operable for inflation and closable after the respective chamber has been inflated pneumatically.

REFERENCES:
patent: 1146615 (1915-07-01), Dodd
patent: 2415150 (1947-02-01), Stein
patent: 3303518 (1967-02-01), Ingram
patent: 3428974 (1919-02-01), Stuart
patent: 3982786 (1976-09-01), Burgin et al.
patent: 4662012 (1987-05-01), Torbet
patent: 4788730 (1988-12-01), Bexton
patent: 4852195 (1989-08-01), Schulman

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