Injectable Foam Seals Difficult Wounds

Injectable Foam Seals Difficult Wounds
Jul-16-14
Students at Johns Hopkins have developed an injectable, wound-filling foam that could help to stabilize hard-to-tourniquet wounds for transport to a medical station.

The system is designed to staunch bleeding at the areas where the head or a limb is attached to the torso—areas notoriously difficult to tourniquet—by injecting two liquids directly and deeply into the wound. The two liquids, polyol and a diisocyanatein, are held in separate sections within the syringe until injection into the body, whereupon they will mix to form a foam that expands and then hardens within the wound.

A few other wound-filling foams have also been undergoing studies lately, including one from DARPA aimed at abdominal injuries and one from RevMedX out of Oregon that uses tiny sponges to seal a wound.



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