Patent ID: 8099164

Claim:
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.