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Modern Wound Dressings
June 3, 2014   
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Hard-to-heal wounds are a serious problem, especially if the patient cannot
or does not want to be hospitalized. Those who want to try to treat their wounds
at home can reach for special herbal-polymer dressings developed by researchers from the Cracow University of Technology in southern Poland.

The researchers call their product a “bioactive hydrogel dressing.” Their dressings are based on polymers, but contain plant extracts. The polymers are formed from smaller molecules thanks to microwave energy. These smaller molecules are combined with natural ingredients. The effect is a polymer grid covered with medicinal substances derived from nature. The plant extracts used come from flowers, leaves, bark, fruit, pollen and roots. They contain vitamins, amino acids, tannins, flavonoids, saponins, essential oils and other valuable substances. They have medicinal, moisturizing, disinfecting and nourishing properties.

The polymer grid is constructed in such a way that the medicinal extract is released gradually. And the microwaves, thanks to which the polymer synthesis reaction takes place, at the same time sterilize the compounds of plant origin. As a result, the dressing is clean and can be applied directly to the wound. It can be used for the treatment of hard-to-heal wounds such as pressure sores or ulcers.

These new dressings not only protect the wound from outside factors, but also, thanks to their properties, directly aid the healing process. They protect the wound from becoming infected, absorb exudates and ensure the right pH value for the skin. Due to their properties, the dressings can be used for both shallow and deep wounds.

The product will be available in patches of different sizes so that every patient can freely adjust the dressing to meet their needs. In addition, these modern dressings do not require daily replacement. They last for at least 48 hours, thereby reducing the cost of treatment.

The polymer synthesis technology is simple, fast and efficient. It was developed by specialists from the Faculty of Chemical Engineering and Technology at the Cracow University of Technology: Bożena Tyliszczak, Ph.D., Agnieszka Sobczak-Kupiec, Ph.D., Katarzyna Bialik-W±s, M.Sc., and Dagmara Malina, M.Sc.. Their product has won awards at international invention shows in Taipei, Taiwan, and Zagreb, Croatia, in addition to the IWIS 2013 International Invention Show in Warsaw and the 62nd Brussels Innova innovation exhibition in Brussels, Belgium.

Tomasz Rybicki
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