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In the United States, a team of researchers has created a new inexpensive medical dressing that can help heal wounds at a surprising rate. The technology developed by researchers at the University of Wisconsin in Madison, United States, to generate electricity based on the movements of the human body and to transmit electrical impulses through the bandage located on the site of the wound.
Experiments have shown that new dressings reduce wound healing time to only three days, compared to two weeks if traditional treatment is used.
"We were surprised by the rapid healing rate of wounds," said Chudong Wang, professor of materials science and engineering at the University of Wisconsin Madison. "We were expecting the dressing to actually improve recovery, but we were not expecting such a quick recovery."
Scientific studies have confirmed decades ago that electricity can help heal skin wounds, but most of the devices used to produce electricity for this purpose are bulky and require complex connections, which which makes it difficult to use everyday.
According to Wang, the new technology is as simple as the use of traditional bandages. He explained that the new dressings contain electrodes connected to micro-generation units installed around the patient's chest by medical tape.The electricity is generated according to the movement of the chest cavity during breathing and it is used to direct weak impulses to the position of the wound. "The nature of these impulses is similar to the way the body uses an internal electric field," explains Wang. "This technique does not harm the healthy limbs of the body. body, unlike other medical devices that use a strong current.
Source: dw.com
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