Enabling and disabling anti-tachyarrhythmia pacing in a concomitant medical device system
First Claim
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1. A method comprising:
- detecting, by an implantable medical device configured to deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient, an enable event;
responsive to detecting the enable event, enabling, by the implantable medical device, the delivery of ATP;
responsive to detecting the enable event, starting, by the implantable medical device, a timer;
detecting, by the implantable medical device, a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, wherein detecting the disable event comprises detecting that the timer has reached a time limit without requiring communication between the implantable medical device and the other implantable medical device; and
responsive to detecting the disable event, disabling, by the implantable medical device, delivery of ATP.
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Abstract
An implantable medical device comprising a signal generator configured to generate and deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient and processing circuitry. The processing circuitry is configured to detect an enable event, responsive to detecting the enable event, enable the delivery of ATP by the signal generator, detect a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, and responsive to detecting the disable event, disable delivery of ATP.
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Citations
11 Claims
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1. A method comprising:
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detecting, by an implantable medical device configured to deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient, an enable event; responsive to detecting the enable event, enabling, by the implantable medical device, the delivery of ATP; responsive to detecting the enable event, starting, by the implantable medical device, a timer; detecting, by the implantable medical device, a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, wherein detecting the disable event comprises detecting that the timer has reached a time limit without requiring communication between the implantable medical device and the other implantable medical device; and responsive to detecting the disable event, disabling, by the implantable medical device, delivery of ATP. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method comprising:
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detecting, by an implantable medical device configured to deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient, an enable event; responsive to detecting the enable event, enabling, by the implantable medical device, the delivery of ATP; responsive to detecting the enable event, starting, by the implantable medical device, a timer; detecting, by the implantable medical device, a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, wherein detecting the disable event comprises detecting that the timer has reached a time limit; responsive to detecting the disable event, disabling, by the implantable medical device, delivery of ATP; detecting, by the implantable medical device via a plurality of electrodes, cardiac therapy activity; and modifying, by the implantable medical device, the timer based on detection of the cardiac therapy activity. - View Dependent Claims (8, 9, 10)
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11. A method comprising:
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detecting, by an implantable medical device configured to deliver anti-tachyarrhythmia pacing (ATP) to a heart of a patient, an enable event; responsive to detecting the enable event, enabling, by the implantable medical device, the delivery of ATP; detecting, by the implantable medical device, a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, wherein detecting the disable event comprises detecting delivery of a threshold number of anti-tachyarrhythmia shocks, thereby suggesting that the other implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock; and responsive to detecting the disable event, disabling, by the implantable medical device, delivery of ATP.
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Specification