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BLE- and Bluetooth-Based Wristband Delivers Personalized Health Information

Maxim Integrated has released its HSP 2.0 wristband system—which measures temperature levels, as well as respiratory and heart health, via IoT data—that companies can use to create solutions for individuals wanting control of their own health-care data.
By Claire Swedberg

Most wrist-based devices can provide heart-rate and motion-based information using PPG, Burt says, but come up short when it comes to ECG monitoring. More typically, he adds, individuals who want ECG information must wear a chest strap. The Maxim wristband housing has two metallic electrodes on the back of the enclosure to contact with the wrist, along with a single electrode on the front, on which users can place a finger for measuring ECG readings. A patient could then share that data with his or her clinician to discuss that person's health and any medication or other strategies required. Body temperatures can also be challenging to measure at the wrist, he adds.

The wristband comes with a built-in Maxim MAX32630 Darwin low-power microcontroller, as well as a sensor hub and a body temperature sensor. It also contains a system to measure bio-potential and bio-impedance (for monitoring cardiac fitness measurements, as well as respiratory and heart rate and cardiovascular pressure, respectively), and an optical pulse sensor.

Maxim's Andrew Burt
The wristband and Health Sensor Platform sells for $399. It comes with an Android-based app and a PC graphical user interface (GUI) so that individuals can then create their own solution. Maxim's customers include health-care solution providers that could package the wristband with their own cloud-based software. In addition to sending data wirelessly via Bluetooth or BLE, the wristband can be connected to a back-end system via USB.

In addition, Apple recently released an ECG sensor in its latest version of the iOS. That release, which coincidentally happened at the same time as Maxim's release, serves to further educate consumers and solution providers that ECG measurements can be captured with a personal device that does not need to be strapped to a user's chest, according to the company.

Since the wristband was provided in sample versions, Burt says, "the reaction is very positive." Not only does it offer a variety of sensors, he reports, "but you can own your data." The bracelet is being sold directly to customers and through distributor partners. During the coming months and years, he adds, "We're likely to bring out new sensor boards" that could be used with the wristband solution. The firm may also add the capability for a user to prompt regular sample health checks with the wristband, by scheduling it to take periodic measurements.

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