[From article]
The sponges work fast: In just 15 seconds, they expand to fill the entire wound cavity, creating enough pressure to stop heavy bleeding. And because the sponges cling to moist surfaces, they aren’t pushed back out of the body by gushing blood. “By the time you even put a bandage over the wound, the bleeding has already stopped,” Steinbaugh says.
Getting the sponges into a wound, however, proved to be tricky. On the battlefield, medics must carry all their gear with them, along with heavy body armor. RevMedx needed a lightweight, compact way to get the sponges deep into an injury. The team designed a 30 millimeter-diameter, polycarbonate syringe that stores with the handle inside to save space. To use the applicator, a medic pulls out the handle, inserts the cylinder into the wound, and then pushes the plunger back down to inject the sponges as close to the artery as possible.
http://www.popsci.com/article/technology/how-simple-new-invention-seals-gunshot-wound-15-seconds
How A Simple New Invention Seals A Gunshot Wound In 15 Seconds
An Oregon startup has developed a pocket-size device that uses tiny sponges to stop bleeding fast.
By Rose Pastore
Posted 02.03.2014 at 2:30 pm
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