Dr. Robert Whitfield removes crumb-rubber particles embedded in a ruptured blister on an athlete's foot. The rubber infill from artificial turf gets trapped in the wound, and the body walls it off as a foreign object. He demonstrates how to safely extract the visible pieces.
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So, um, this is from a blister, and the blister broke, and then the crumb rubber from the turf got into the blister, and there you can see one of the pieces of crumb rubber. So these got embedded in the athlete's foot, and now we're just taking them out. It's healed in there, it's kind of like getting a splinter stuck. So your body will automatically try to wall this stuff off because it's not your own tissues, it's just foreign. So we've already numbed his foot, that's why this is something we can do. But there you can see more of the actual chrome rubber come out. This is the kind of fill that's on all the artificial turf fields.