Implantable medical device crosstalk evaluation and mitigation
First Claim
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1. A method comprising:
- delivering therapy to a tissue site within a patient according to a first therapy program;
detecting a potential arrhythmia of a heart of the patient;
upon detecting the potential arrhythmia, adjusting the delivery of therapy to the tissue site within the patient according to the first therapy program;
determining whether the potential arrhythmia is detected after adjusting the delivery of therapy according to the first therapy program;
switching therapy delivery to the tissue site from therapy according to the first therapy program to therapy according to a second therapy program if the potential arrhythmia is not detected after adjusting the delivery of therapy according to the first therapy program, wherein the first and second therapy programs define at least one different stimulation parameter value; and
prohibiting further delivery of therapy according to the first therapy program based upon a number of times therapy delivery to the tissue site is switched from therapy according to the first therapy program to therapy according to the second therapy program.
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Abstract
Electrical crosstalk between two implantable medical devices or two different therapy modules of a common implantable medical device may be evaluated, and, in some examples, mitigated. In some examples, one of the implantable medical devices or therapy modules delivers electrical stimulation to a nonmyocardial tissue site or a nonvascular cardiac tissue site, and the other implantable medical device or therapy module delivers cardiac rhythm management therapy to a heart of the patient.
139 Citations
40 Claims
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1. A method comprising:
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delivering therapy to a tissue site within a patient according to a first therapy program; detecting a potential arrhythmia of a heart of the patient; upon detecting the potential arrhythmia, adjusting the delivery of therapy to the tissue site within the patient according to the first therapy program; determining whether the potential arrhythmia is detected after adjusting the delivery of therapy according to the first therapy program; switching therapy delivery to the tissue site from therapy according to the first therapy program to therapy according to a second therapy program if the potential arrhythmia is not detected after adjusting the delivery of therapy according to the first therapy program, wherein the first and second therapy programs define at least one different stimulation parameter value; and prohibiting further delivery of therapy according to the first therapy program based upon a number of times therapy delivery to the tissue site is switched from therapy according to the first therapy program to therapy according to the second therapy program. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A system comprising:
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an electrical stimulator that delivers therapy to a tissue site within a patient according to a first therapy program; a sensing module that senses an electrical cardiac signal of a heart of the patient; and a processor that detects a potential arrhythmia of a heart of the patient based on the sensed electrical cardiac signal, controls the electrical stimulator to adjust the delivery of therapy to the tissue site within the patient according to the first therapy program upon detecting the potential arrhythmia, determines whether the potential arrhythmia is detected after adjusting the delivery of therapy according to the first therapy program, controls the electrical stimulator to switch therapy delivery to the tissue site from therapy according to the first therapy program to therapy according to a second therapy program if the potential arrhythmia is not detected after adjusting the delivery of therapy according to the first therapy program, wherein the first and second therapy programs define at least one different stimulation parameter value, and prohibits the electrical stimulator from further delivering therapy according to the first therapy program based upon a number of times therapy delivery to the tissue site is switched from therapy according to the first therapy program to therapy according to the second therapy program. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A system comprising:
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means for delivering therapy to a tissue site within a patient according to a first therapy program; means for detecting a potential arrhythmia of a heart of the patient; means for adjusting the delivery of therapy to the tissue site within the patient according to the first therapy program upon detecting the potential arrhythmia; means for determining whether the potential arrhythmia is detected after adjusting the delivery of therapy according to the first therapy program; means for switching therapy delivery to the tissue site from therapy according to the first therapy program to therapy according to a second therapy program if the potential arrhythmia is not detected after adjusting the delivery of therapy according to the first therapy program, wherein the first and second therapy programs define at least one different stimulation parameter value; and means for prohibiting further delivery of therapy according to the first therapy program based upon a number of times therapy delivery to the tissue site is switched from therapy according to the first therapy program to therapy according to the second therapy program. - View Dependent Claims (37, 38)
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39. A non-transitory computer-readable medium comprising instructions that cause a programmable processor to:
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control an electrical stimulator to deliver therapy to a tissue site within a patient according to a first therapy program; detect a potential arrhythmia of a heart of the patient; upon detecting the potential arrhythmia, control the electrical stimulator to adjust the delivery of therapy to the tissue site within the patient according to the first therapy program; determine whether the potential arrhythmia is detected after controlling the electrical stimulator to adjust the delivery of therapy according to the first therapy program; control the electrical stimulator to switch therapy delivery to the tissue site from therapy according to the first therapy program to therapy according to a second therapy program if the potential arrhythmia is not detected after controlling the electrical stimulator to adjust the delivery of therapy according to the first therapy program, wherein the first and second therapy programs define at least one different stimulation parameter value; and control the electrical stimulator to prohibit further delivery of therapy according to the first therapy program based upon a number of times therapy delivery to the tissue site is switched from therapy according to the first therapy program to therapy according to the second therapy program. - View Dependent Claims (40)
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Specification