Posture state redefinition based on posture data
First Claim
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1. A system comprising:
- a memory configured to store posture state definitions;
a posture state module configured to sense a plurality of postures of a patient over a period of time; and
a processor configured to;
identify, based on one of the posture state definitions, a set of two or more of the plurality of postures that fall within a posture state;
identify a portion of the posture state where a specified amount of the postures fall; and
automatically update the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state and to correspond to the identified portion based on where the postures in the set of postures fall within the posture state and the identified portion.
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Abstract
The disclosure is directed towards posture-responsive therapy. To avoid interruptions in effective therapy, an implantable medical device may include a posture state module that detects the posture state of the patient and automatically adjusts therapy parameter values according to the detected posture state. A system may include a memory that stores posture state definitions, a posture state module that records a plurality of postures of a patient over a period of time, and a processor that identifies a set of the plurality of postures that fall within a posture state, and redefines a boundary of the posture state based on where the postures fall within the posture state.
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Citations
23 Claims
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1. A system comprising:
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a memory configured to store posture state definitions; a posture state module configured to sense a plurality of postures of a patient over a period of time; and a processor configured to; identify, based on one of the posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; identify a portion of the posture state where a specified amount of the postures fall; and automatically update the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state and to correspond to the identified portion based on where the postures in the set of postures fall within the posture state and the identified portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A system comprising:
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means for sensing a plurality of postures of a patient over a period of time; means for identifying, based on one of a plurality of posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; means for identifying a portion of the posture state where a specified amount of the postures fall; and means for automatically updating the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state and to correspond to the identified portion based on where the postures in the set of postures fall within the posture state and the identified portion. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. An implantable medical device comprising:
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a memory configured to store posture state definitions; a posture state module configured to sense a plurality of postures of a patient over a period of time; and a processor configured to; identify, based on one of the posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; identify a portion of the posture state where a specified amount of the postures fall; and automatically update the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state and to correspond to the identified portion based on where the postures in the set of postures fall within the posture state and the identified portion.
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21. An external programmer comprising:
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a memory configured to store posture state definitions; and a processor configured to; record a plurality of postures of a patient over a period of time; identify, based on one of the posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; identify a portion of the posture state where a specified amount of the postures fall; and automatically update the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state and to correspond to the identified portion based on where the postures in the set of postures fall within the posture state and the identified portion.
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22. A system comprising:
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a memory configured to store posture state definitions; a posture state module configured to sense a plurality of postures of a patient over a period of time; and a processor configured to; identify, based on one of the posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; and update the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state by at least modifying a posture reference vector at a center of the posture state based on where the postures in the set of postures fall within the posture state.
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23. A system comprising:
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means for sensing a plurality of postures of a patient over a period of time; means for identifying, based on one of a plurality of posture state definitions, a set of two or more of the plurality of postures that fall within a posture state; and means for updating the one of the posture state definitions to redefine at least one boundary of the posture state to change a size of the posture state by at least modifying a posture reference vector at a center of the posture state based on where the postures in the set of postures fall within the posture state.
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Specification