IMPLANTABLE SENSOR ELECTRODES AND ELECTRONIC CIRCUITRY
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Abstract
An electronic circuit for sensing an output of a sensor having at least one electrode pair and circuitry for obtaining and processing the sensor output. The electrode pair may be laid out such that one electrode is wrapped around the other electrode in a U-shaped fashion. The electronic circuitry may include, among other things, a line interface for interfacing with input/output lines, a rectifier in parallel with the line interface, a counter connected to the line interface and a data converter connected to the counter and the electrode pair. The data converter may be a current-to-frequency converter. In addition, the rectifier may derive power for the electronic circuit from communication pulses received on the input/output lines.
85 Citations
42 Claims
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1-22. -22. (canceled)
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23. A sensor system comprising:
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one or more sensors configured to sense one or more parameters and to provide one or more signals corresponding to the one or more parameters; and electronic circuitry configured to be coupled to a device and configured to; receive the one or more signals from the one or more sensors; and receive one or more information signals from the device; wherein the electronic circuitry is configured for implantation in a living body, and wherein, upon the implantation of the electronic circuitry in the living body, the electronic circuitry is located external of the device. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A sensor system comprising:
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one or more sensors configured to sense one or more parameters and to provide one or more signals corresponding to the parameters; and electronic circuitry configured to be coupled to a source and configured to receive electrical power from the source to; receive the one or more signals from the one or more sensors; and process the received one or more signals; wherein the electronic circuitry is configured for implantation in a living body, and wherein, upon the implantation of the electronic circuitry in the living body, the electronic circuitry is located external of the source. - View Dependent Claims (37, 38, 39, 40, 41, 42)
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Specification