Span-america Medical Systems, Inc.

Joseph A Benedict

Russell James Weston

Richard W Raburn

Wanda J Totton

Wanda C McKnight

Russell J Weston

An air inflatable mattress and mattress coverlet are provided for the prevention and treatment of decubitus ulcers (i.e., pressure sores or bedsores). The mattress incorporates a user selectable static or alternating air powered support surface for more uniformly redistributing pressure exerted on a patient's skin. The mattress coverlet encompasses a low air loss feature independent of the mattress's user selectable air powered support surface. Such low air loss feature provides a patient contact surface exhibiting a high moisture vapor transfer ratio in conjunction with a forced air flow to aid in reducing the moisture and heat near the patient's body. Both the mattress and mattress coverlet are driven by an external control system which houses the user controls, as well as the necessary pumps, regulators, and valving.

Method for the treatment and prevention of decubitus ulcers for a patient due to interface of the patient with an air-powered low interface pressure overlay

Air-powered low interface pressure overlay

Air-powered low interface pressure support surface

A patient support system is provided with side bolster features for improved patient safety and control. A multi component mattress includes a resilient foam core having associated therewith two side bolsters of a less compressible resilient material. Each side bolster forms two peaks with a saddle therebetween to prevent a patient from rolling off the mattress while still providing direct entry and exit access to the mattress. A foam topper may be applied across the top of the exposed core and the upper portion of the side bolsters. Such topper may include parallel ridges, as well as perpendicular segmentations to improve pressure dispersion. The total coverage topper or upper layer surface adds to usable patient support area for the mattress while otherwise minimizing the pressure from the less compressible bolster elements.

Patient support system with side bolster features

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Mauldin, SC, United States of America

Joseph A Benedict