Innovative Wristband Sensor Offers Comprehensive Monitoring for Diabetes and Heart Health

A groundbreaking wearable device, in the form of a flexible wristband, has been developed to enhance management of diabetes and cardiovascular health. This all-in-one sensor combines chemical analysis with physiological measurements, providing users with continuous real-time monitoring of glucose, lactate, alcohol levels, blood pressure, arterial stiffness, and heart rate. The technology, detailed in the journal Nature Biomedical Engineering, leverages microneedle arrays that detect key biomarkers in interstitial fluid, while ultrasonic sensors and ECG components capture cardiovascular signals.

The microneedle array is designed for painless sampling and easy replacement, reducing risks of allergy or infection, and enabling longer-term use. Blood pressure and arterial stiffness are measured via ultrasonic sensors, while ECG sensors record heart rate, all integrated into a compact wristband. This comprehensive system captures data that typically require multiple devices, offering a detailed physiological snapshot during daily activities.

The device's accuracy has been validated against standard clinical tools, matching blood glucose levels with traditional meters, and correlating alcohol and lactate measurements with breathalyzers and blood tests. By monitoring these parameters simultaneously, users and healthcare providers can identify potential health risks early, such as dangerous blood sugar spikes or cardiovascular issues, often missed by conventional single-parameter monitors.

The collaborative effort by researchers from UC San Diego, led by Professors Joseph Wang and Sheng Xu, combines expertise in chemical sensing and ultrasound technology. Future developments aim to include additional biomarkers, harness energy from sweat or sunlight, and incorporate machine learning algorithms for personalized health insights.

This innovative wristband exemplifies the future of continuous health monitoring—an accessible, versatile tool that empowers individuals to manage their health proactively and helps clinicians detect early warning signs of chronic disease progression.

Source: https://medicalxpress.com/news/2025-07-wristband-sensor-diabetes-cardiovascular.html