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A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
Published on: April 19, 2019
Novel design for a wearable, rapidly deployable, wireless noninvasive triage sensor.
Phillip Shaltis1, Levi Wood, Andrew Reisner
1Department of Mechanical Engineering at the Massachusetts Institute of Technology, Cambridge, MA, 02139 USA. (email: pshaltis@mit.edu).
Summary
This study introduces a novel, low-power wearable sensor for continuous, remote monitoring of five vital signs. The device uses a clip-on design and advanced algorithms to ensure accurate readings even with patient motion.
Area of Science:
- Biomedical Engineering
- Wearable Technology
- Remote Patient Monitoring
Background:
- Continuous monitoring of vital signs is crucial for patient care.
- Existing non-invasive methods can be cumbersome or inaccurate in dynamic environments.
- Need for a reliable, easy-to-use sensor for remote and continuous vital sign acquisition.
Purpose of the Study:
- To present a unique design for a low-power, continuous, non-invasive sensor for remote vital sign monitoring.
- To develop a sensor for rapid attachment and automatic arterial signal acquisition.
- To ensure signal integrity despite patient motion using advanced algorithms.
Main Methods:
- Design of a clip-type sensor for fingerbase attachment.
- Integration of a photoplethysmograph (PPG), MEMS accelerometer, temperature sensor, and wireless node.
- Utilization of a micro-sensor array for automatic arterial localization.
- Implementation of an Active Noise Cancellation algorithm using accelerometer data to recover corrupted PPG signals.
Main Results:
- The sensor enables continuous, non-invasive monitoring of five major vital signs.
- The clip-type mechanism allows for rapid and easy attachment.
- Automatic digital artery localization and clear pulse signal acquisition are achieved.
- Motion-corrupted PPG signals are effectively recovered using MEMS accelerometer data and Active Noise Cancellation.
Conclusions:
- The developed sensor offers a unique solution for low-power, continuous, and remote vital sign monitoring.
- The design facilitates ease of use and reliable signal acquisition in challenging environments.
- The integration of PPG, MEMS accelerometer, and noise cancellation algorithms enhances the accuracy and robustness of vital sign monitoring.
