Wireless Wearable SpO₂ Sensor Module with Bendable Build-up Substrate

Area of Science:

• Biomedical Engineering
• Wearable Technology
• Sensor Development

Background:

• Miniaturization and thinning are crucial for wearable devices.
• Foldable structures offer an effective approach for device size reduction.
• Percutaneous arterial oxygen saturation (SpO₂) monitoring requires reliable and unobtrusive sensors.

Purpose of the Study:

• To develop a miniaturized and thin wireless wearable SpO₂ sensor module.
• To investigate the application of foldable structures for wearable sensor design.
• To create a system for displaying SpO₂ data from the wearable sensor on a tablet.

Main Methods:

• Studied the bending characteristics of a bendable build-up substrate.
• Designed and fabricated a foldable SpO₂ sensor module.
• Integrated the sensor module with a data display system on a tablet.

Main Results:

• Successfully developed a miniaturized and thin wireless wearable SpO₂ sensor module.
• The foldable design utilizing a bendable substrate was realized.
• Demonstrated the capability to display SpO₂ sensing data on a tablet.

Conclusions:

• The developed foldable SpO₂ sensor module is suitable for wearable applications.
• This technology advances the development of compact and efficient health monitoring devices.
• The system provides a user-friendly interface for real-time SpO₂ data visualization.