Secure telemetric link
First Claim
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1. A medical device comprising:
- a transceiver module to transmit and receive information, wherein the medical device operates in a first mode that requires authentication information to permit establishing a communication session with at least one other device of a network of medical devices; and
a physical switch that, when activated, causes the medical device to operate in a second mode that does not require authentication information to permit establishing a communication session with the at least one other device of the network.
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Abstract
A communications protocol is used to provide data privacy, message integrity, message freshness, and user authentication to telemetric traffic, such as to and from implantable medical devices in a body area network. In certain embodiments, encryption, message integrity, and message freshness are provided through use of token-like nonces and ephemeral session-keys derived from device identification numbers and pseudorandom numbers.
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Citations
31 Claims
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1. A medical device comprising:
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a transceiver module to transmit and receive information, wherein the medical device operates in a first mode that requires authentication information to permit establishing a communication session with at least one other device of a network of medical devices; and a physical switch that, when activated, causes the medical device to operate in a second mode that does not require authentication information to permit establishing a communication session with the at least one other device of the network. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method comprising:
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operating a medical device in a first mode that requires exchange of authentication information to permit communication with at least one other device of a network; and in response to activation of a physical switch within the medical device, operating the medical device in a second mode that does not require exchange of authentication information to permit communication with the at least one other device of the network. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21)
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22. A medical device comprising:
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means for transmitting and receiving communications with at least one other device of a network; and means for operating the medical device in a first mode that requires exchange of authentication information to permit communication with the at least one other device; wherein the operating means operates the medical device in a second mode wherein the second mode that does not require exchange of authentication information to permit communication with the at least one other device in response to activation of a physical switch within the medical device. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification