Researchers at Purdue University have developed a wearable device that can administer antibacterial ozone gas to chronic wounds to help disinfect them. The technology could allow people to disinfect chronic wounds at home, and would be helpful in cases where wounds have been colonized by drug-resistant bacteria and aren’t responding to antibiotic therapy. Approximately 6 million patients in the US have a chronic wound. This includes many patients with diabetes who develop foot ulcers. These wounds can have a significant…