STAGED SENSING ADJUSTMENTS BY AN IMPLANTABLE MEDICAL DEVICE IN THE PRESENCE OF INTERFERING SIGNALS
First Claim
1. A method comprising:
- receiving an input associated with the presence of an environment having an external source that generates an interfering signal;
adjusting a first set of one or more sensing parameters of a sensing module of an implantable medical device in response to receiving the input associated with the presence of the environment;
sensing signals using the first set of adjusted sensing parameters while in the presence of the environment having the external source that generates the interfering signal;
analyzing the signals sensed using the first set of adjusted sensing parameters; and
adjusting a second set of one or more sensing parameters of the sensing module based on the analysis.
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Abstract
An implantable medical device (IMD) receives an input associated with the presence of an environment having an external source that generates an interfering signal, such as an MRI device. The IMD adjusts a first set of one or more sensing parameters of a sensing module of the IMD in response to receiving the input associated with the presence of the environment. In this manner, the IMD operates in accordance with the adjusted sensing configuration in the presence of the interfering signal in an attempt to obtain a more detailed representation of the signal including noise caused by the interfering signal. The IMD analyzes the signals sensed using the first set of adjusted sensing parameters to determine if further adjustment is desired. If desired, the IMD adjusts a second set of one or more sensing parameters of the sensing module based on the analysis.
24 Citations
16 Claims
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1. A method comprising:
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receiving an input associated with the presence of an environment having an external source that generates an interfering signal; adjusting a first set of one or more sensing parameters of a sensing module of an implantable medical device in response to receiving the input associated with the presence of the environment; sensing signals using the first set of adjusted sensing parameters while in the presence of the environment having the external source that generates the interfering signal; analyzing the signals sensed using the first set of adjusted sensing parameters; and adjusting a second set of one or more sensing parameters of the sensing module based on the analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An implantable medical device comprising:
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a sensing module to sense electrical signals; and a processor that receives an input associated with the presence of an environment having an external source that generates an interfering signal and adjusts a first set of one or more sensing parameters of the sensing module of an implantable medical device in response to receiving the input associated with the presence of the environment; wherein the sensing module senses signals using the first set of adjusted sensing parameters while in the presence of the environment having the external source that generates the interfering signal, and wherein the processor analyzes the signals sensed using the first set of adjusted sensing parameters and adjusts a second set of one or more sensing parameters of the sensing module based on the analysis. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification