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Images: Ultrasound heads for battle

Philips Research and the University of Washington explore using ultrasound technology to stem internal bleeding when soldiers are injured in battle.
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1 of 5 Bill Detwiler/ZDNet

Project purpose

Ultrasound technology is best-known for its use in producing images of fetuses in the womb. But focused beams of high-intensity sound waves also can be used to stop internal bleeding--an ultrasound application that Philips Research, with funding from the Defense Advanced Research Projects Agency, hopes to adapt for use on the battlefield, where many injuries become fatal because internal bleeding is not stopped in a timely way.

This series of images and their accompanying narrative depict how such an ultrasound device might be used in a battlefield situation.

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2 of 5 Bill Detwiler/ZDNet

Preparing injured area

Preparing the injured area for the ultrasound cuff.

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3 of 5 Bill Detwiler/ZDNet

High-intensity ultrasound

The device would then focus high-intensity ultrasound pulses on the internal injury--a ruptured artery, in this case.

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4 of 5 Bill Detwiler/ZDNet

Pulses generate heat

The ultrasonic pulses generate heat on the injured area, causing blood tissue to coagulate.

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5 of 5 Bill Detwiler/ZDNet

Rupture is stabilized

Once the rupture is stabilized, the soldier can be transported without further damage to the injured limb.

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