Patent ID: 6958705

Claim:
A medical system, comprising: a) an ambulatory medical device (MD) comprising MD electronic control circuitry that further comprises at least one MD telemetry system and at least one MD processor that controls, at least in part, operation of the MD telemetry system and operation of the medical device, wherein the medical device is configured to provide a treatment to a body of a patient or to monitor a selected state of the body; and b) a communication device (CD) comprising CD electronic control circuitry that further comprises at least one CD telemetry system and at least one CD processor that controls, at least in part, operation of the CD telemetry system and operation of the communication device, wherein the CD telemetry system sends messages to or receives messages from the MD telemetry system, wherein at least one of the medical device and the communication device comprises a plurality of electronic modules, wherein at least one of the modules is at least a portion of the time switched from an active state to a power saving state when not in use and switched again to an active state when needed, and wherein the at least one MD processor applies power and clocking signals to the plurality of electronic modules on an as needed basis.