Wearable congestive heart failure management system
Inventors
VARADAN, VIJAY • Rai, Pratyush • Oh, Se Chang • Kumar, Prashanth Shyam • Ramasamy, Mouli
Assignees
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Publication Number
US-12138058-B2
Publication Date
2024-11-12
Expiration Date
Abstract
A non-invasive, wearable and portable medical device for evaluation and monitoring the heart condition for patients with congestive heart failure and a CHF management system is provided comprising a wearable textile-based device utilizing physiologic and biometric sensors, a Signal Acquisition Unit, and a monitoring system executing a suite of software algorithms to monitor and evaluate patients with CHF.
Core Innovation
The invention provides a non-invasive wearable textile-based congestive heart failure (CHF) management system. A wearable textile harness includes an adjustable elastic horizontal band and an adjustable elastic vertical band configured to contact a thoracic cage region around an xyphoid process, and the harness includes elastomeric compression fabric and textile-based nanosensors, including vertically standing nanofilaments.
The system includes a Signal Acquisition Unit (SAU) with analog front ends and a wireless module. The SAU collects and digitizes ECG/ICG/impedance (Zo), respiration/respiratory rate, and heart sounds, and further collects actigraphy/posture information using an inertial measurement unit (IMU).
The processing unit computes and uses a composite “SimpleSense” CHF monitoring metric for monitoring, remote evaluation, and alerting. The derived physiological parameters include atrial/ventricular activity and PR/QRS/ST-T, cardiac output and stroke volume, pulmonary/vascular pressures, minute ventilation, shortness of breath, and exercise tolerance, with wireless communication and cloud storage/database services supporting alerting to a smart phone and a web portal.
Claims Coverage
Not explicitly described in patent.
Not explicitly described in patent.
Stated Advantages
Enables remote, continuous CHF evaluation and alerting.
Provides composite “SimpleSense” CHF monitoring metric derived from multiple non-invasive physiological measurements.
Documented Applications
Remote, continuous evaluation and alerting of congestive heart failure using a smart phone and a web portal/cloud services.
Monitoring CHF using derived physiological parameters from textile-based nanosensors and an SAU, including derived cardiac and respiratory-related metrics.
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