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High Channel Temperature Mapping Electronics in a Thin, Soft, Wireless Format for Non-Invasive Body Thermal Analysis
Wooyoung Park1, Chunki Yiu1,2, Yiming Liu1
1Department of Biomedical Engineering, City University of Hong Kong, Hong Kong 999077, China.
Biosensors
|November 25, 2021
Summary
This study introduces a flexible electronic skin (e-skin) system for noninvasive hemodynamic monitoring. The wearable device uses thermal sensing to detect blood vessel status, offering a portable alternative to traditional methods.
Area of Science:
- Biomedical Engineering
- Wearable Technology
- Medical Diagnostics
Background:
- Hemodynamic status is crucial for diagnosing physiological conditions and diseases like arteriosclerosis.
- Conventional monitoring methods often involve invasive procedures, large equipment, and radiation exposure.
- There is a need for noninvasive, portable, and convenient hemodynamic monitoring solutions.
Purpose of the Study:
- To develop an ultra-thin, noninvasive, and flexible electronic skin (e-skin) system for hemodynamic monitoring.
- To utilize thermal properties of blood vessels for real-time physiological assessment.
- To create a portable and user-friendly diagnostic tool.
Main Methods:
- An array of thermal sensors integrated into a flexible e-skin.
- Real-time temperature monitoring of subsections beneath the epidermis.
- Wireless data transmission via Bluetooth to an external device with a graphical user interface (GUI).
- Color-coded display indicating hemodynamic status based on thermal properties.
Main Results:
- The e-skin system successfully monitored hemodynamic status noninvasively through thermal sensing.
- The flexible sensors maintained functionality under bending and twisting.
- Wireless data transmission and GUI display provided real-time, user-friendly feedback.
- Color spectrum effectively indicated the thermal properties of target vessels.
Conclusions:
- The developed e-skin offers a promising noninvasive, wearable, and portable solution for hemodynamic monitoring.
- Its flexibility and ease of use make it suitable for point-of-care (POC) diagnostics.
- This technology has significant potential to advance wearable health monitoring and early disease detection.
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