An early version senses and reports wounds. Advanced versions might compress the wound automatically to avoid blood loss.
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Richard Platt
onto Internet of Things - Technology focus October 11, 2022 8:24 PM
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Quickly identifying and treating serious wounds is an age-old problem that’s killed countless soldiers, but it could see a solution in new technology that uses embedded sensors to detect, alert and one day treat injuries. The Smart Shirt for Wound Detection has been tested by soldiers, airmen and spec ops forces recently and could be ready for fielding in 2023, Legionarius COO and co-founder Dr. Alexander Gruentzig told US Army Times. The lattice-like web of sensors on the Smart Shirt are woven into the interior of the garment, whether that’s a standard-issue blouse or jacket. The sensors detect when their “web” has been penetrated and relay that information to the “puck,” a business-card sized, one-inch-thick device that currently mounts on the user’s back, near the base of the neck. The puck then transmits to the Army’s Tactical Awareness Kit — smartphone-based software — and alerts commanders and others on the network that the soldier has been injured, Gruentzig said. Commanders can see across their formations who is hurt, where and when they were injured, the type of injury and their current and recent vital signs. Shared imagery on the network will show where on the torso the soldier has been wounded using a digital diagram as a guide. The system generates a custom QR code that a medic can scan and use to transfer vital data concerning the soldier’s medical condition. And, Gruentzig said, they’ve developed the system to avoid “false positives.” The hole in the shirt must be 2 mm or larger and the sensors are not triggered by regular wear and tear or body movements. Sensors are also hardwired to the shirt to make them resistant to electronic jamming, he added. The company is also putting a series of “bladders” into the shirts that could provide instant compression for wound care in the future. The compression devices would stop blood loss and reduce massive bleeding, one of the deadliest injuries a soldier can receive in combat. The sensing portion of the shirt is now ready for ruggedized tests and evaluation by soldiers and could be fielded as soon as 2023. The wound treatment portion is still under development.