Application US20200170531 AI Biotech/Diagnostics: Cardio

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Breathe Technologies, Inc.

Application US20200170531

Published 2020-06-04

Multipart Electrocardiography Monitor

Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch. The wearable monitor sits centrally on the patient's chest along the sternum oriented top-to-bottom. The placement of the wearable monitor in a location at the sternal midline, with its unique narrow “hourglass”-like shape, significantly improves the ability of the wearable monitor to cutaneously sense cardiac electrical potential signals, particularly the P-wave and the QRS interval signals indicating ventricular activity in the ECG waveforms. In particular, the ECG electrodes on the electrode patch are tailored to be positioned axially along the midline of the sternum for capturing action potential propagation in an orientation that corresponds to the aVF lead used in a conventional 12-lead ECG that is used to sense positive or upright P-waves.

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2 Independent Claims

1. A multipart electrocardiography monitor, comprising: an ambulatory electrocardiography monitor recorder comprising: a wearable housing having a rounded isosceles trapezoidal-like shape and a plurality of detents; a connector protruding from the wearable housing; and electronic circuitry provided within the wearable housing, 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; an electrocardiographic front end circuit under the control of the micro-controller adapted to sense cardiac electrical potential differentials through electrocardiographic electrodes, which are provided to the micro-controller as electrocardiographic signals representative of amplitudes of the action potential propagation; and a memory electrically interfaced with the micro-controller and operable to continuously store samples of the electrocardiographic signals throughout the extended period; and a disposable extended wear electrode patch, comprising: a flexible backing comprising a plurality of adhesive contact surfaces; the 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 into which the wearable housing can be removable secured, the receptacle having a further trapezoidal-like shape; and a retention catch and a tension clip formed on the receptacle and configured to engage the detents when the wearable housing is within the non-conductive receptacle; a docking interface configured to interface with the external connector when the wearable housing is secured within the receptacle; a circuit connecting the electrocardiographic electrodes to the interface.
11. An electrocardiography monitor with engageable components, comprising: an ambulatory electrocardiography monitor recorder comprising: a wearable housing having trapezoidal-like shape with rounded edges and one or more detents; a connector protruding from the wearable housing; and electronic circuitry provided within the wearable housing, 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; an electrocardiographic front end circuit under the control of the micro-controller adapted to sense cardiac electrical potential differentials through electrocardiographic electrodes, which are provided to the micro-controller as electrocardiographic signals representative of amplitudes of the action potential propagation; and a memory electrically interfaced with the micro-controller and operable to continuously store samples of the electrocardiographic signals throughout the extended period; and a disposable extended wear electrode patch, comprising: a flexible backing comprising a plurality of adhesive contact surfaces; the 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 into which the wearable housing can be removable secured, the receptacle having a further trapezoidal-like shape; one or more protrusions formed on the receptacle and configured to engage the one or more detents when the wearable housing is within the non-conductive receptacle; a docking interface configured to interface with the external connector when the wearable housing is secured within the receptacle; and a circuit connecting the electrocardiographic electrodes to the interface.