Implantable medical device having a sense channel with performance adjustment
First Claim
1. An implantable medical device (IMD) comprising:
- a housing;
a sensor for providing a sensor output signal;
a sense channel receiving the sensor output signal from the sensor, the sense channel processing the sensor output signal and outputting a sense channel output signal;
the sense channel having an adjustable performance level, wherein for a higher performance level the sense channel consumes more power and for a lower performance level the sense channel consumes less power;
a controller receiving the sense channel output signal; and
the controller adjusting the performance level of the sense channel to achieve more performance and more power consumption when a higher degree of performance is desired and to achieve less performance and less power consumption when a high degree of performance is not desired.
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Abstract
An implantable medical device (IMD) may include a sensor for providing a sensor output signal and a sense channel configured to receive the sensor output signal from the sensor. The sense channel may be configured to process the sensor output signal and output a sense channel output signal. The sense channel may have an adjustable performance level, wherein for a higher performance level the sense channel consumes more power than for a lower performance level. A controller may be configured to adjust the performance level of the sense channel to achieve more performance and more power consumption when a higher degree of sense channel performance is desired and to achieve less performance and less power consumption when a higher degree of performance is not desired.
1186 Citations
20 Claims
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1. An implantable medical device (IMD) comprising:
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a housing; a sensor for providing a sensor output signal; a sense channel receiving the sensor output signal from the sensor, the sense channel processing the sensor output signal and outputting a sense channel output signal; the sense channel having an adjustable performance level, wherein for a higher performance level the sense channel consumes more power and for a lower performance level the sense channel consumes less power; a controller receiving the sense channel output signal; and the controller adjusting the performance level of the sense channel to achieve more performance and more power consumption when a higher degree of performance is desired and to achieve less performance and less power consumption when a high degree of performance is not desired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A leadless cardiac pacemaker (LCP) configured for implantation into a patient'"'"'s heart, the LCP configured to sense electrical cardiac activity and to deliver pacing pulses to the patient'"'"'s heart, the LCP comprising:
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a housing; a first electrode secured relative to the housing; a second electrode secured relative to the housing, the second electrode spaced from the first electrode; a controller disposed within the housing and operably coupled to the first electrode and the second electrode such that the controller is capable of receiving, via the first electrode and the second electrode, electrical cardiac signals of the heart; a sensor disposed within the housing, the sensor sensing an indication of cardiac activity and providing a sensor output signal; a sense channel receiving the sensor output signal from the sensor, the sense channel processing the sensor output signal and outputting a sense channel output signal; the sense channel having an adjustable performance level, wherein for a higher performance level the sense channel consumes more power and for a lower performance level the sense channel consumes less power; the controller receiving the sense channel output signal; and the controller adjusting the performance level of the sense channel to achieve more performance and more power consumption when a higher degree of performance is desired and to achieve less performance and less power consumption when a high degree of performance is not desired. - View Dependent Claims (16, 17, 18)
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19. A method of monitoring a patient'"'"'s heart using an implantable medical device configured for implantation proximate the patient'"'"'s heart, the implantable medical device including a sensor configured to sense an indication of cardiac activity and a dynamically adjustable sense channel configured to process a signal from the sensor, the implantable medical device further including a controller operably coupled to the dynamically adjustable sense channel, the method comprising:
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sensing an indication of cardiac activity using the sensor, the sensor outputting a signal to the dynamically adjustable sense channel; operating the dynamically adjustable sense channel at a performance level to process the signal from the sensor and output the processed signal to the controller; analyzing the processed signal for an indication of signal quality; determining if the indication of signal quality is acceptable; and adjusting the performance level of the dynamically adjustable sense channel if the indication of signal quality is not acceptable. - View Dependent Claims (20)
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Specification