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Multipart electrocardiography monitor optimized for capturing low amplitude cardiac action potential propagation

  • US 10,561,328 B2
  • Filed: 05/06/2019
  • Issued: 02/18/2020
  • Est. Priority Date: 09/25/2013
  • Status: Active Grant
First Claim
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1. A multipart electrocardiography monitor optimized for capturing low amplitude cardiac action potential propagation, comprising:

  • a disposable extended wear electrode patch, comprising;

    a flexible backing comprising two adhesive contact surfaces;

    a pair of electrocardiographic electrodes, each comprised on one of the adhesive contact surfaces, each electrocardiographic electrode conductively exposed for dermal adhesion;

    a receptacle affixed to a non-contacting surface of the flexible backing and comprising a docking interface;

    a battery within a compartment on a bottom surface of the receptacle and electrically interfaced to the docking interface; and

    a circuit connecting the electrocardiographic electrodes to the docking interface;

    an ambulatory electrocardiography monitor recorder comprising;

    a wearable housing adapted to securely fit into the receptacle;

    an external connector configured to interface to the docking interface when the wearable housing is within the receptacle; and

    electronic circuitry provided within the wearable housing and removably connected to the electrocardiographic electrodes and to the battery via the the external connector and docking interface, the electronic circuitry further comprising;

    a low power micro-controller operable to execute over an extended period under modular micro program control as specified in firmware and to draw power from the battery via the external connector;

    an electrocardiographic front end circuit under the control of the micro-controller adapted to sense cardiac electrical potential differentials through the electrocardiographic electrodes, which are provided to the micro-controller as electrocardiographic signals representative of amplitudes of the action potential propagation; and

    a non-volatile memory electrically interfaced with the micro-controller and operable to continuously store samples of the electrocardiographic signals throughout the extended period; and

    a wireless transceiver comprised in at least one of the monitor recorder and the patch, the wireless transceiver configured to wirelessly receive commands, wherein the monitor recorder operates per the commands.

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