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Subnetwork synchronization and variable transmit synchronization techniques for a wireless medical device network

  • US 8,073,008 B2
  • Filed: 02/05/2007
  • Issued: 12/06/2011
  • Est. Priority Date: 04/28/2006
  • Status: Active Grant
First Claim
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1. A communication method for a medical device network having a first device and a second device configured to wirelessly communicate data between each other using a synchronized data communication protocol, the method comprising:

  • the first device dynamically determining when a next data packet will be transmitted to the second device over a wireless data communication channel, wherein the next data packet conveys physiological data indicative of a measured physiological characteristic of a patient; and

    the first device wirelessly transmitting a variable time indicator to the second device, wherein the variable time indicator indicates when the next data packet will be transmitted over the wireless data communication channel, and wherein the variable time indicator prompts the second device to configure itself to wirelessly receive the next data packet as designated by the variable time indicator;

    wherein;

    if a trending characteristic of the physiological data indicates a relatively high rate of change of the measured physiological characteristic, the first device selects a first time indicator that indicates a relatively short time period corresponding to when the next data packet will be transmitted; and

    if the trending characteristic of the physiological data indicates a relatively low rate of change of the measured physiological characteristic, the first device selects a second time indicator that indicates a relatively long time period corresponding to when the next data packet will be transmitted.

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