Pulse width adaptation for inductive links
First Claim
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1. A method for communication with an implanted medical device, the method comprising:
- for implant data signals having sequences of HI and LOW logic states at a fixed data bit rate with adjustable pulse width durations, defining a group of pre-determined pulse width durations based on a pulse width setting process that includes;
i. transmitting to the implanted medical device a plurality of test sequence data signals using different pulse width durations, wherein each test sequence data signal sets one or more parameters of the implanted medical device,ii. for each of the test sequence data signals,(1) measuring a corresponding back telemetry signal from the implanted medical device communicating the one or more parameters set in the implanted medical device, and(2) comparing the one or more parameters set by the test sequence data signal to the one or more parameters communicated in the corresponding back telemetry signal, andiii. including the pulse width duration of a given test sequence data signal in the group of pre-determined pulse width durations when the one or more parameters set by each test sequence data signal correctly matches the one or more parameters communicated in the corresponding back telemetry signal; and
operating the implanted medical device by transmitting the implant data signals with pulse width durations selected from the group of pre-determined pulse width durations.
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Abstract
A signal processor is described for communication with an implanted medical device. An external processor transmits to the implanted medical device an implant data signal having a sequence of HI and LOW logic states at a fixed data bit rate. The pulse width durations of the HI and LOW logic states is adjustable in response to feedback telemetry data from the implantable medical device.
54 Citations
5 Claims
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1. A method for communication with an implanted medical device, the method comprising:
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for implant data signals having sequences of HI and LOW logic states at a fixed data bit rate with adjustable pulse width durations, defining a group of pre-determined pulse width durations based on a pulse width setting process that includes; i. transmitting to the implanted medical device a plurality of test sequence data signals using different pulse width durations, wherein each test sequence data signal sets one or more parameters of the implanted medical device, ii. for each of the test sequence data signals, (1) measuring a corresponding back telemetry signal from the implanted medical device communicating the one or more parameters set in the implanted medical device, and (2) comparing the one or more parameters set by the test sequence data signal to the one or more parameters communicated in the corresponding back telemetry signal, and iii. including the pulse width duration of a given test sequence data signal in the group of pre-determined pulse width durations when the one or more parameters set by each test sequence data signal correctly matches the one or more parameters communicated in the corresponding back telemetry signal; and operating the implanted medical device by transmitting the implant data signals with pulse width durations selected from the group of pre-determined pulse width durations. - View Dependent Claims (2, 3, 4, 5)
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Current AssigneeMED-EL Elektromedizinische Gerate GmbH (MED-EL Corporation)
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Original AssigneeMED-EL Elektromedizinische Gerate GmbH (MED-EL Corporation)
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InventorsBaumgartner, Josef, Rodriguez-Navarro, Jose, Stoffaneller, Martin, Mitterer, Andreas
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Primary Examiner(s)Layno, Carl H
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Assistant Examiner(s)Morales, Jon Eric C
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Application NumberUS12/182,255Publication NumberTime in Patent Office3,373 DaysField of Search607 57, 607 32, 607 27US Class CurrentCPC Class CodesA61N 1/372 Arrangements in connection ...A61N 1/37211 Means for communicating wit...A61N 1/37223 Circuits for electromagneti...A61N 1/3727 characterised by the modula...
