How A Simple New Invention Seals A Gunshot Wound In 15 Seconds | Popular Science

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.

viaHow A Simple New Invention Seals A Gunshot Wound In 15 Seconds | Popular Science.

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