Method and system for determining a risk of ulcer onset
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Accused Products
Abstract
A system for determining a risk of pressure ulcer onset on a subject being in contact with a supporting-surface, the system comprising: an arrangement of sensors, located at predetermined locations between the supporting-surface and the subject; and a data processor for receiving and processing data sensed by the sensors; the sensors and the data processor being designed and programmed for determining the risk of pressure ulcer onset on the subject being in contact with the supporting-surface.
126 Citations
239 Claims
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1-200. -200. (canceled)
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201. A system for determining a risk of pressure ulcer onset on a subject being in contact with a supporting-surface, the system comprising:
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an arrangement of interfacial stress sensors, located at predetermined locations between the supporting-surface and the subject;
an interfacial stress converter, for converting interfacial stress transmitted by said arrangement of sensors into internal stress; and
a data processor for receiving and processing data from said interfacial stress sensors and said interfacial stress converter;
said interfacial stress sensors, said interfacial stress converter and said data processor being designed and programmed for determining the risk of pressure ulcer onset on the subject being in contact with the supporting-surface. - View Dependent Claims (202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216)
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217. A method of determining a risk of pressure ulcer onset on a subject being in contact with a supporting-surface, the method comprising:
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inputting information from an arrangement of interfacial stress sensors, located on predetermined locations between the supporting-surface and the subject;
converting nterfacial stress transmitted by said arrangement of sensors into internal stress; and
using said information and said internal stress for determining the risk of pressure ulcer onset on the subject being in contact with the supporting-surface. - View Dependent Claims (218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232)
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233. A method of characterizing a risk of ulcers onset on a subject, the method comprising:
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inputting interfacial stress applied on the subject;
converting said interfacial stress into internal stress, using at least one conversion function; and
using said internal stress for calculating a plurality of dose indices and a risk parameter, α
, being a combination of said plurality of dose indices, thereby characterizing the risk of the ulcers onset. - View Dependent Claims (234, 235, 236, 237, 238, 239)
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Specification