System and method for telemetry with an implantable medical device
First Claim
1. An implantable medical device (IMD) having a telemetry module with a transmitter and receiver operable on a plurality of separate channels, the IMD comprising:
- means for selecting a given channel for a first predetermined period of time;
means for operating the receiver on the given channel for the first predetermined period of time;
means for analyzing data received on the given channel;
means for determining if the data is indicative of a predetermined message; and
means for extending the first predetermined period if the means for determining determine that the data is indicative of the predetermined message.
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Accused Products
Abstract
An implantable medical device (IMD) includes a telemetry module to communicate with an external device according to a given protocol. To establish a communication session, the IMD will extend active periods of reception on a given channel when some confirmed data is received from the external device. In addition, once a session has been opened, the programmer transmits a short data set (or preamble) for each cycle which the IMD is set to receive. This data set indicates whether additional data will or will not be sent. If no additional data is to be sent during that cycle, then the IMD powers down the receiver for that cycle.
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Citations
19 Claims
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1. An implantable medical device (IMD) having a telemetry module with a transmitter and receiver operable on a plurality of separate channels, the IMD comprising:
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means for selecting a given channel for a first predetermined period of time;
means for operating the receiver on the given channel for the first predetermined period of time;
means for analyzing data received on the given channel;
means for determining if the data is indicative of a predetermined message; and
means for extending the first predetermined period if the means for determining determine that the data is indicative of the predetermined message. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of operating an implantable medical device (IMD) having a telemetry module, the method comprising:
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selecting one of a plurality of available communication channels;
powering a receiver for a first predetermined period of time on the selected channel;
processing data received by the receiver on the selected channel during the first predetermined period of time;
transmitting a response message within the first predetermined time period if the processed data includes a predetermined message; and
extending the first predetermined period of time that the receiver remains on the selected channel if the processed data is indicative of the predetermined message. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification