Leadless pacemaker with end-of-life protection
First Claim
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1. An implantable medical device comprising:
- operational circuitry, wherein the operational circuitry comprises at least one of a therapy circuit and a sensor circuit;
a communications module;
a power source configured to deliver energy to the operational circuitry;
a deactivation element configured to at least partially disable the operational circuitry by interrupting delivery of energy from the power source to the operational circuitry;
a power manager configured to detect, based on a behavior of at least the communications module, an end-of-life condition of the power source and, in response to detecting the end-of-life condition, cause the deactivation element to at least partially reversibly disable the operational circuitry; and
a controller configured to store, in a memory component and in response to the power manager detecting the end-of-life condition, an indication of an end-of-life state of the implantable medical device.
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Abstract
An implantable medical device includes operational circuitry, such as a therapy circuit. The implantable medical device also includes a power source configured to deliver energy to the operational circuitry, and a deactivation element configured to disable the therapy circuit. A power manager is configured to detect an end-of-life condition of the power source and, in response to detecting the end-of-life condition, cause the deactivation element to reversibly disable the therapy circuit.
27 Citations
17 Claims
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1. An implantable medical device comprising:
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operational circuitry, wherein the operational circuitry comprises at least one of a therapy circuit and a sensor circuit; a communications module; a power source configured to deliver energy to the operational circuitry; a deactivation element configured to at least partially disable the operational circuitry by interrupting delivery of energy from the power source to the operational circuitry; a power manager configured to detect, based on a behavior of at least the communications module, an end-of-life condition of the power source and, in response to detecting the end-of-life condition, cause the deactivation element to at least partially reversibly disable the operational circuitry; and a controller configured to store, in a memory component and in response to the power manager detecting the end-of-life condition, an indication of an end-of-life state of the implantable medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A leadless cardiac pacing seed comprising:
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a therapy circuit; a communications module; a power source configured to deliver energy to the therapy circuit and the communications module; a deactivation element configured to disable at least one of the therapy circuit and the communications module by reversibly interrupting delivery of energy from the power source to the therapy circuit or the communications module; a power manager configured to detect, based on a behavior of at least the communications module, an end-of-life condition of the seed and, in response to detecting the end-of-life condition, cause the deactivation element to reversibly disable at least one of the therapy circuit and the communications module; and a controller configured to store, in a memory component and in response to the power manager detecting the end-of-life condition, an indication of an end-of-life state of the implantable medical device. - View Dependent Claims (13, 14, 15, 16, 17)
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Specification