Telemetry duty cycle management system for an implantable medical device
First Claim
Patent Images
1. An implantable medical device (IMD) comprising:
- a far field RF transmitter and receiver;
a controller circuit communicatively coupled to the RF transmitter and receiver; and
a wakeup timer circuit integral to, or communicatively coupled to, the controller,wherein the controller circuit is configured to;
initiate power up of the RF transmitter and receiver during a wakeup interval defined by the wakeup timer circuit;
detect a digital key received from a second device during the wakeup interval;
transmit a response using the RF transmitter when the digital key is received; and
receive a communication from the second device and resynchronize the wake-up timer according to a time of the communication.
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Abstract
An implantable medical device comprising a far field RF transmitter and receiver, a controller circuit communicatively coupled to the RF transmitter and receiver, and a wakeup timer circuit integral to, or communicatively coupled to, the controller. The controller is configured to initiate power up of the RF transmitter and receiver during a wakeup interval defined by the wakeup timer circuit, detect a digital key received from a second device during the wakeup interval, transmit a response using the RF transmitter when the digital key is received, and receive a communication from the second device and resynchronize the wake-up timer according to a time of the communication.
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Citations
20 Claims
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1. An implantable medical device (IMD) comprising:
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a far field RF transmitter and receiver; a controller circuit communicatively coupled to the RF transmitter and receiver; and a wakeup timer circuit integral to, or communicatively coupled to, the controller, wherein the controller circuit is configured to; initiate power up of the RF transmitter and receiver during a wakeup interval defined by the wakeup timer circuit; detect a digital key received from a second device during the wakeup interval; transmit a response using the RF transmitter when the digital key is received; and receive a communication from the second device and resynchronize the wake-up timer according to a time of the communication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method comprising:
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supplying power to a far field RF transmitter and receiver of an IMD according to a wakeup interval determined by a device wakeup timer; detecting a digital key received from a second device during the wakeup interval; transmitting a response using the RF transmitter when the digital key is received; receiving a communication from the second device; and re-synchronizing the device wake-up timer according to a time of the communication. - View Dependent Claims (17, 18, 19, 20)
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Specification