Patient supporting device

Details Patient supporting device Patient supporting device

1976-04-19

1977-04-12

Mitchell, James C.

Chairs and seats

Bottom or back with means to alter contour

5338, 5369, 297 75, 297391, 297410, 297417, A47C 300

Patent

active

040171183

ABSTRACT:
This invention provides a patient supporting device, such as a dental chair, that includes a stationary seat portion with movable backrest and toeboard portions, the chair being provided with a plurality of bladders to vary its contour. This includes bladders on the toeboard selectively inflatable to provide the effect of a deeper seat for the chair. Selectively inflatable bladders on the seat can simulate tilting of the seat when the back is lowered. Spaced bladders on the back support the lumbar region and the shoulders of the patient, and a third bladder on the back supports the patient's spine. Four bladders beneath pads are in the headrest, used in tilting the patient's head. An adustable edge portion for the back supports the patient's arms when in a supine position.

REFERENCES:
patent: 3192541 (1965-07-01), Moore
patent: 3326601 (1967-06-01), Vanderbilt et al.
patent: 3330598 (1967-07-01), Whiteside
patent: 3363941 (1968-01-01), Wierwille
patent: 3608961 (1971-09-01), Von Heck
patent: 3795021 (1974-03-01), Moniot
patent: 3895403 (1975-07-01), Davis
patent: 3934929 (1976-01-01), Rabinowitz

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