80-cent device prototype uses smartphone to monitor blood pressure

A 3D-printed device that clips onto a smartphone can take blood pressure readings. [Photo courtesy of University of California San Diego]

University of California San Diego engineers have prototyped an inexpensive device that clips onto a smartphone to monitor a user’s blood pressure.

The 3D-printed device uses the smartphone’s camera and flash paired with an algorithm on an app to take systolic and diastolic blood pressure readings.

“We’ve created an inexpensive solution to lower the barrier to blood pressure monitoring,” study first author Yinan (Tom) Xuan, an electrical and computer engineering Ph.D. student at UCSD, said in a news release.

Xuan published the team’s findings this week in Scientific Reports with senior author and electrical and computer engineering professor Edward Wang, who’s also director of the UCSD Digital Health Lab.

“Because of their low cost…

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