New ultrasound stickers can let users see inside their bodies from their phones

The stamp-sized devices can also monitor the development of foetuses in the womb. (Representative image)

A team of engineers in the US have developed a new ultrasound sticker which sticks to skin and can provide continuous ultrasound imaging of internal organs for 48 hours directly to the user's phone.

The stickers developed by a team from Massachusetts Institute of Technology (MIT) can produce live, high-resolution images of major blood vessels and deeper organs such as the heart, lungs, and stomach. In addition, it can also monitor the progression of tumours, as well as the development of foetuses in the womb.

The stamp-sized devices maintained a strong adhesion and captured changes in organs as volunteers performed various activities, including sitting, standing, jogging, and biking, researchers stated in the Science journal.

Currently, ultrasound imaging requires bulky and specialised equipment available only in hospitals and doctor's offices. But the new design might make the technology as wearable and accessible as buying Band-Aids at the pharmacy, researchers said.

"We envision a few patches adhered to different locations on the body, and the patches would communicate with your cell phone, where AI algorithms would analyse the images on demand," said Xuanhe Zhao, Professor of mechanical engineering and civil and environmental engineering at MIT.

"We believe we've opened a new era of wearable imaging: With a few patches on your body, you could see your internal organs."

From the stickers' images, the team was able to observe the changing diameter of major blood vessels when seated versus standing. The stickers also captured details of deeper organs, such as how the heart changes shape as it exerts during exercise.

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The researchers were also able to watch the stomach distend, then shrink back as volunteers drank, then later passed juice out of their system. And as some volunteers lifted weights, the team could detect bright patterns in underlying muscles, signalling temporary microdamage.

The team is working to make the stickers function wirelessly.

"We imagine we could have a box of stickers, each designed to image a different location of the body," Zhao said. "We believe this represents a breakthrough in wearable devices and medical imaging."

(With inputs from ANI)

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