Patent ID: 9486153
Filing Date: 2016-11-08
CPC Classification: A61B,A61N,G16H

Claim Text:
1. A medical device system, the system comprising: an implanted medical device, and an external device comprising a transceiver, a random access memory, and a processor coupled to the transceiver and the random access memory, wherein the processor is configured to: periodically activate wireless communication circuitry in an attempt to communicate a plurality of proximity test signals with the implanted medical device; for each of the plurality of activations, determine whether a proximity signal has been received from the implanted device within a certain time after the activation, thereby generating a plurality of proximity test receipt results; apply a test to the plurality of proximity test receipt results to determine whether a proximity failure condition exists, thereby generating a plurality of proximity test results; operative when a proximity failure condition exists, take at least one of the following actions: store information regarding the proximity failure in the random access memory or send a proximity test failure condition notification; and when the proximity failures in the random access memory meet a selected first proximity test criterion, the processor is further configured to send notification to the patient.