Air cushion control system
OwnerWilliam F. Graebe, Jr.inventor
Life of this patent
Estimating the term…
Abstract
An air cushion control system having an air chamber sensor including an air chamber, a bottom out sensor and an overinflation sensor, an air pump to inflate the air chamber, an air valve to release air from the air chamber, connections for the air cushion control system to an air cushion, and a microprocessor to control the inflation and the release of air from the air chamber. The air cushion control system reduces decubitus ulcers by incorporating both an automatic adjustment system to prevent the seated individual from bottoming-out in the air cushion and measure immersion depth to maximize pressure reduction.
Claims34
An air cushion immersion control system comprising:
- an air chamber sensor including an air chamber, a bottom out sensor and an overinflation sensor;
- an air pump to inflate the air chamber sensor, an air valve to release air from the air chamber sensor;
- means to connect the air chamber sensor of the air cushion control system to an air cushion;
- and
- a microprocessor monitoring the bottom out sensor and the over inflation sensor, the microprocessor controlling the air pump and the air valve to adjust a depth of immersion of an individual into the air cushion by the inflation and the release of the air from the air chamber sensor and the air cushion.
An air cushion immersion control system comprising:
- an air chamber sensor, including an air chamber, a bottom-out sensor, and an overinflation sensor, an air pump to inflate the air chamber sensor and air cushion, and an air valve to release air from the air chamber sensor and cushion;
- and,
- means to connect the air chamber sensor of the air cushion immersion control system to an air cushion;
- the air chamber sensor formed by sealing together two layers of a material, channel walls in the air chamber sensor separating the air chamber sensor into multiple interior air channels, the air channels extending throughout the length and width of the air chamber sensor;
- the distance from an edge of the air chamber sensor to an end of the channel wall does not exceed one half of the distance between the channel walls;
- and
- wherein the spacing of channel walls controls inflation height and air distribution within the air chamber sensor and the air cushion;
- and
- wherein the overinflation sensor comprises a magnet and a reed switch.
An air cushion immersion control system comprising:
- an air chamber sensor, a bottom out sensor and an overinflation sensor;
- an air pump to inflate the air chamber sensor and cushion, an air valve to release air from the air chamber sensor and cushion;
- means to connect the air chamber sensor of the air cushion control system to an air cushion;
- the air chamber sensor with multiple interior air channels, the air channels containing support strips;
- wherein the support strips reduce the bleeding of air from the air chamber sensor back into the air cushion when the air cushion is unoccupied.
Dependencies are inferred from the claim text.