Implantable medical device with sleep disordered breathing monitoring
First Claim
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1. An implantable medical device (IMD) comprising:
- means for sensing a physical parameter relevant to sleep disordered breathing (SDB);
means for sensing a patient posture;
means for selecting criteria for evaluating the physical parameter, wherein the means for selecting base the criteria selection on the sensed patient posture; and
means for determining if the physical parameter is indicative of SDB based on the sensed patient posture and according to the selected criteria.
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Abstract
An implantable medical device (IMD) includes a sensor for monitoring parameters indicative of sleep disordered breathing. The IMD also includes a position sensor that indicates the relative position and/or activity level of the patient. The position sensor data is used in one or more ways in conjunction with the SDB sensing. The position data is used to confirm that such sensed data is likely indicative of SDB or to select the appropriate criteria for comparison.
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Citations
14 Claims
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1. An implantable medical device (IMD) comprising:
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means for sensing a physical parameter relevant to sleep disordered breathing (SDB); means for sensing a patient posture; means for selecting criteria for evaluating the physical parameter, wherein the means for selecting base the criteria selection on the sensed patient posture; and means for determining if the physical parameter is indicative of SDB based on the sensed patient posture and according to the selected criteria. - View Dependent Claims (2)
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3. A method of using an implantable medical device (IMD) for the detection of sleep disordered breathing in a patient comprising:
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sensing a parameter indicative of SDB; determining an orientation of the IMD indicative of a posture of the patient; selecting a set of criteria to evaluate the sensed parameter, wherein the set of criteria is selected based on the determined orientation; and evaluating the sensed parameter according to the selected set of criteria based upon the determined orientation to determine if SDB is present. - View Dependent Claims (4, 5, 6, 7, 8, 9)
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10. An implantable medical device comprising:
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a microprocessor; a position sensor coupled with the microprocessor and providing data indicative of a patient posture; a sleep disordered breathing (SDB) sensor communicatively coupled with the microprocessor and configured to sense a physical parameter that is useful in monitoring SDB and provide data to the microprocessor indicative of the physical parameter, wherein the microprocessor evaluates the data from the SDB sensor in a first manner if the position sensor indicates a first position and evaluates the data in a second manner if the position sensor indicates a second position; and a memory containing a plurality of SDB criteria sets, wherein the microprocessor selects a given set of SDB criteria from the memory based ucon a specific position identified by the position sensor. - View Dependent Claims (11, 12, 13, 14)
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Specification