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An ultrasound device for distortion measurement and biomechanical analysis of in vivo load-bearing soft tissue

PURPOSE-Pressure ulcers continue to be a common complication and costly clinical problem for, among other populations, people with spinal cord injuries (SCI). Interface pressure distributions between buttocks and seat support surfaces are used clinically to evaluate the efficacy of seat cushions relative to the risk of pressure ulcer development. Soft tissue distortion (internal strain) is a superior indicator of pressure ulcer risk, however, limitations of current clinical assessment technology render tissue distortion measurements inaccessible in the clinic.

As an alternative, interface pressure, a parameter that is clinically accessible, is used as an indicator for potentially harmful ...

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