Selectively implementable digital signal processing circuit for an implantable medical device
First Claim
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1. An implantable medical device, configurable for a plurality of patients having a heart having characteristics and having a need for therapeutic treatment, having a plurality of functions, comprising:
- a hermetically sealed enclosure;
a plurality of sensors configured to sense the characteristics of the heart;
a plurality of digital signal processing circuits contained within the hermetically sealed enclosure, each individual one of the plurality of digital signal processing circuits being coupled to a respective one of the plurality of sensors, each individual one of the digital signal processing circuits providing, at least in part, an output related to an individual one of the plurality of functions, each individual one of the digital signal processing circuits being selectively turned off and drawing no current;
a processor coupled to each individual one of the plurality of digital signal processing circuits, the plurality of digital signal processing circuits being coupled between said plurality of sensors and said processor, wherein the processor is configured to process the output from each individual one of the plurality of digital signal processing circuits and to selectively turn off individual ones of the plurality of digital signal processing circuits based on the need for therapeutic treatment of an individual one of the plurality of patients for an individual one of the plurality of functions provided by the individual one of the plurality of digital signal processing circuits.
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Abstract
Embodiments of the invention include an implantable medical device having a digital signal processing circuit associated with an implantable medical device function. The digital signal processing circuit can be selectively implementable according to the clinical need of a patient. Embodiments of the invention also include methods of making and using such implantable medical devices.
26 Citations
8 Claims
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1. An implantable medical device, configurable for a plurality of patients having a heart having characteristics and having a need for therapeutic treatment, having a plurality of functions, comprising:
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a hermetically sealed enclosure; a plurality of sensors configured to sense the characteristics of the heart; a plurality of digital signal processing circuits contained within the hermetically sealed enclosure, each individual one of the plurality of digital signal processing circuits being coupled to a respective one of the plurality of sensors, each individual one of the digital signal processing circuits providing, at least in part, an output related to an individual one of the plurality of functions, each individual one of the digital signal processing circuits being selectively turned off and drawing no current; a processor coupled to each individual one of the plurality of digital signal processing circuits, the plurality of digital signal processing circuits being coupled between said plurality of sensors and said processor, wherein the processor is configured to process the output from each individual one of the plurality of digital signal processing circuits and to selectively turn off individual ones of the plurality of digital signal processing circuits based on the need for therapeutic treatment of an individual one of the plurality of patients for an individual one of the plurality of functions provided by the individual one of the plurality of digital signal processing circuits. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method for configuring to meet a therapeutic need of a patient having a heart having characteristics an implantable medical device having a plurality of sensors sensing the characteristics of the heart, a plurality of digital signal processors each coupled to a respective one of the plurality of sensors, each individual one of the plurality of digital signal processors providing, at least in part, an output relating to an individual one of the plurality of functions, and a processor coupled to the plurality of digital signal processors, the plurality of digital signal processors being coupled between the plurality of sensors and the processor, comprising the steps of:
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determining which individual ones of the plurality of functions do not meet the therapeutic need of the patient; turning off individual ones of the plurality of digital signal processors that provide, at least in part, the individual ones of the plurality of functions that do not meet the therapeutic need of the patient so that the individual ones of the plurality of digital signal processors which are off draw no current; and processing with the processor the output from each individual one of the plurality of digital signal processors not turned off. - View Dependent Claims (8)
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Specification