Stickers for ultrasound scanning of the body. Free Technical Library News

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Body Ultrasound Stickers

11.08.2022

MIT engineers have developed a tiny sticker that can continuously take ultrasound images of internal organs for 48 hours.

This technology will help create stickers and stickers that can wirelessly track any objects in the body. Typically, ultrasound procedures use a thick, cold gel applied to the skin before inserting the probe. This gel is necessary for a clear transmission of ultrasonic waves from the probe to the internal organs and back.

The authors of the new work came up with innovations, they placed the hydrogel in a thin elastomeric membrane. The result is an ideal elastic material that adheres to the skin and effectively transmits ultrasonic waves.

The elastomer prevents dehydration of the hydrogel, the authors explain. The other part of the device contains an array of hundreds of tiny ultrasonic transducers.

Study co-author Chonghye Wang explained that this combination of a dense array of sensors with an elastic hybrid of elastomer and hydrogel allows the device to work stably.

Using the sticker, the researchers were able to see how the stomach expands and contracts when the volunteer drank a glass of juice. Muscles can also be tracked when a person is lifting weights to inform them of potentially traumatic exercises.

The authors want to use their patches in tandem with a mobile app and AI to automatically track and analyze metrics.

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