Method and apparatus for controlling neural stimulation during disordered breathing
First Claim
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1. A neural stimulation system, comprising:
- an implantable medical device including;
a therapy output device configured to deliver a neural stimulation therapy treating a non-respiratory disorder;
a therapy delivery controller coupled to the therapy output device, the therapy delivery controller configured to control the delivery of the neural stimulation therapy treating the non-respiratory disorder;
a respiratory signal input configured to receive a respiratory signal;
a respiratory disorder detector coupled to the respiratory signal input, the respiratory disorder detector configured to detect a respiratory disorder using the respiratory signal and determine whether the respiratory disorder is caused or worsened by the neural stimulation therapy treating the non-respiratory disorder; and
a therapy adjustment module coupled to the therapy delivery controller and the respiratory disorder detector, the therapy adjustment module configured to adjust the delivery of the neural stimulation therapy treating the non-respiratory disorder in response to a detection of the respiratory disorder caused or worsened by the neural stimulation therapy treating the non-respiratory disorder.
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Abstract
A neural stimulation system controls the delivery of neural stimulation using a respiratory signal as a therapy feedback input. The respiratory signal is used to increase the effectiveness of the neural stimulation, such as vagal nerve stimulation, while decreasing potentially adverse side effects in respiratory functions. In one embodiment, the neural stimulation system detects apnea and, in response, adjusts the delivery of the neural stimulation pulses and/or delivers a respiratory therapy treating the detected apnea.
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Citations
20 Claims
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1. A neural stimulation system, comprising:
an implantable medical device including; a therapy output device configured to deliver a neural stimulation therapy treating a non-respiratory disorder; a therapy delivery controller coupled to the therapy output device, the therapy delivery controller configured to control the delivery of the neural stimulation therapy treating the non-respiratory disorder; a respiratory signal input configured to receive a respiratory signal; a respiratory disorder detector coupled to the respiratory signal input, the respiratory disorder detector configured to detect a respiratory disorder using the respiratory signal and determine whether the respiratory disorder is caused or worsened by the neural stimulation therapy treating the non-respiratory disorder; and a therapy adjustment module coupled to the therapy delivery controller and the respiratory disorder detector, the therapy adjustment module configured to adjust the delivery of the neural stimulation therapy treating the non-respiratory disorder in response to a detection of the respiratory disorder caused or worsened by the neural stimulation therapy treating the non-respiratory disorder. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for neural stimulation, the method comprising:
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delivering a neural stimulation therapy treating a non-respiratory disorder from an implantable medical device; sensing a respiratory signal using an implantable respiratory sensor; detecting a respiratory disorder using the respiratory signal using the implantable medical device, including determining whether the respiratory disorder is caused or worsened by the neural stimulation therapy treating the non-respiratory disorder; and adjusting the delivery of the neural stimulation therapy treating the non-respiratory disorder in response to a detection of the respiratory disorder caused or worsened by the neural stimulation therapy treating the non-respiratory disorder. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification