Rapidly expanding chitosan sponges to prevent blood loss

From bioconcrete to biosponges, once again nature wins! A package of chitosan sponges can expand rapidly in under a minute to prevent blood loss for (potentially) up to four hours- incredibly useful in gunshot and shrapnel wounds. Those medkits that provide insta-health in FPS games don’t seem too unrealistic anymore, do they?

XStat- Chitosan sponges

Link for sponges in action: Chitosan sponges in action

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