SEM SCANNER SENSING APPARATUS, SYSTEM AND METHODOLOGY FOR EARLY DETECTION OF ULCERS
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Accused Products
Abstract
A handheld, conforming capacitive sensing apparatus configured to measure Sub-Epidermal Moisture (SEM) as a mean to detect and monitor the formation of pressure ulcers. The device incorporates an array of electrodes which are excited to measure and scan SEM in a programmable and multiplexed manner by a battery-less RF-powered chip. The scanning operation is initiated by an interrogator which excites a coil embedded in the apparatus and provides the needed energy burst to support the scanning/reading operation. Each electrode measures the equivalent sub-epidermal capacitance corresponding and representing the moisture content.
40 Citations
32 Claims
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1-27. -27. (canceled)
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28. A Sub-Epidermal Moisture (SEM) apparatus, comprising:
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a flexible substrate, a first electrode and a second electrode that are both disposed on the substrate, and an electronics package that is electrically coupled to each of the first and second electrodes and configured to measure a capacitance between the first and second electrodes. - View Dependent Claims (29, 30, 31, 32)
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Specification