A new type of acoustic sensor that sticks to the skin like a small band-aid can monitor your heartbeat and other health indexes, the researchers said.
This sensor will one day provide a way to easily and wirelessly track a person's health. The patch, which weighs less than 100 ounces, helps doctors monitor heart health, stomach conditions, vocal cord activity, lung function, and other potential physical functions, the researchers said.
"We have developed a soft, skin-like device that listens to the internal sounds produced by the function of internal organs," explains John Rogers, co-author of the study. During the study he was a professor of materials science and engineering at the University of Illinois at Urbana-Champaign, currently at Northwestern University.
“The device is considered a wearable skin stethoscope. However, the function of constantly listening and recording is not only sound but also low frequency vibration,†Rogers said.
The research team behind the latest so-called "Skin Electronics" patch says the patch is soft and thin. The core shape of the silicone is designed to create a soft, comfortable feel when in contact with skin tissue. Make it easier to be worn anywhere in your body.
The patch is designed to "listen" through the skin, tissues and fluids and record the sounds and vibrations produced by breathing, eating, exercising and sleeping.
Those "mechano-acoustic" signals or sound waves can be used to remotely track very specific functions, such as heart valve closure, muscle contraction, lung expansion, or vocal cord vibration, the authors of the study explain.
This signal may even track the function of an implanted mechanical device, such as a heart pump. Because more than one type of acoustic signal can be recorded at the same time, the patch can track multiple problems simultaneously, the authors of the study said.
The patch can also be equipped with electrodes that record electrocardiogram (ECG) signals to track the electronic health of the patient's heart, according to the researchers.
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