Ultrasound Could Have The Wounded Walking

TO A WOUNDED SOLDIER OR A CAR-CRASH victim, an hour can be the difference between life and death. That's the time it typically takes to bleed to death. Researchers at the University of Washington and Focus Surgery Inc. of Fremont, Calif., are developing an ultrasound device that could be rushed in to stanch hemorrhages. The technology is completely noninvasive: It uses sound waves to pinpoint and cut off bleeding.

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