Scientists from Switzerland's Empa research institute have developed a self-moistening heart rate-monitoring chest strap that is designed for use in situations where electrocardiograms or ECGs need to be recorded over a period of several days. The problem with existing heart rate monitors is that they need to be moistened with gel once a day in order for the skin's electrical signals to be properly conducted. This strap gets rid of that problem.
Empa's strap is equipped with a reservoir that wicks a steady supply of water to a wetting element that sits between the wearer's skin and the contraption's electrodes. The device is designed to prevent skin irritation and keep crucial nanoparticles from being released.
While the technology is still in prototype form, it has shown a lot of promise and looks set to become a superior alternative to existing heart rate-monitoring devices.
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