Patient movement detection
First Claim
Patent Images
1. A device for monitoring body movements of a patient on a support, including:
- at least one fluid filled cell insertable between a patient and a support on which the patient is supported;
means for detecting fluctuations in the state of the fluid in said at least one cell caused by body movements of the patient and providing an output dependent on said fluctuations; and
means for analysing said output and providing an analysed output dependent on the analysis, adapted and arranged to effect discrimination between said fluctuations which are indicative of patient trunk turning movements and said fluctuations which are indicative of minor body movements in the form of arm or leg movement, and to provide said analysed output in dependence on said discrimination.
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Abstract
For monitoring body movements of a patient on a support, particularly to ascertain risk of bed sores, at least one fluid filled cell is inserted between the patient and a support on which the patient is lying. There is a detector of fluctuations in the state of the fluid in the cell caused by body movements of the patient, providing an output dependent on the fluctuations. This output is analysed by discriminating between fluctuations which are indicative of major body movements and fluctuations which are indicative of minor body movements.
67 Citations
12 Claims
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1. A device for monitoring body movements of a patient on a support, including:
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at least one fluid filled cell insertable between a patient and a support on which the patient is supported; means for detecting fluctuations in the state of the fluid in said at least one cell caused by body movements of the patient and providing an output dependent on said fluctuations; and means for analysing said output and providing an analysed output dependent on the analysis, adapted and arranged to effect discrimination between said fluctuations which are indicative of patient trunk turning movements and said fluctuations which are indicative of minor body movements in the form of arm or leg movement, and to provide said analysed output in dependence on said discrimination. - View Dependent Claims (2, 3, 4, 5)
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6. A method of monitoring body movements of a patient supported by a support, by:
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detecting fluctuations in the state of the fluid in at least one fluid-filled cell arranged between a patient and a support on which the patient is supported; conducting an analysis of the detected fluctuations, so as to distinguish said fluctuations which are indicative of patient trunk turning movements from said fluctuations which are indicative of minor body movements consisting of arm or leg movements; and providing an output dependent on said analysis. - View Dependent Claims (7, 8, 9, 10)
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11. A device for monitoring body movements of a patient on a support, including:
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at least one fluid filled cell insertable between a patient and a support on which the patient is supported; means for detecting fluctuations in the state of the fluid in said at least one cell caused by body movements of the patient and providing an output dependent on said fluctuations; and means for analysing said output and providing an output dependent on the analysis, said output being an indication of risk of development of pressure sores in the patient.
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12. A method of monitoring body movements of a patient supported by a support, by:
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detecting fluctuations in the state of the fluid in at least one fluid-filled cell arranged between a patient and a support on which the patient is supported; conducting an analysis of the detected fluctuations, and obtaining from said analysis an output indicative of risk of development of pressure sores in the patient.
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Specification