Wearable Ozone Therapy Device for Chronic Wound Treatment
Wearable Ozone Therapy Device for Chronic Wound Treatment

Researchers at Purdue University have developed a wearable device that can administer antibacterial ozone gas to chronic wound 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 U.S. have a chronic wound. This includes many patients with diabetes who develop foot ulcers. These wounds can have a significant impact on quality of life, mobility, and the ability to work. In many cases, chronic wound can’t heal because they are infested with drug-resistant bacteria that can’t be eradicated using antibiotics.

To make matters worse, these bacteria can form a biofilm, which is a slimy collection of millions of individual bacteria and a secreted matrix, on the surface of such wounds. The biofilms protect the bacteria, making them even more difficult to eradicate.

One option is to use ozone gas to disinfect the surface of such wounds, giving them a better chance of healing. However, at present such treatment must be performed using specialized equipment, meaning that patients have to travel to a hospital or clinic every time they want to avail of it. Read more…

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