Flakes of Crab and Shrimp Shells Provide a New and Effective Way of Clotting Arterial Bleeds - extremetech.com
Excerpt: Celox, a flaked form of the clotting agent chitosan, is revolutionizing how military and medical personnel deal with bleeds, from the smallest scrapes to full-blown arterial fire hoses. Celox is easy to use -- you just pour it on an open wound and apply pressure -- and both safer and faster-acting than similar products. The best bit, though, is that the active ingredient, chitosan, is extracted from the shells of crabs and shrimp.
Celox Medical