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Inteligentny opatrunek mierzy poziom nawilżenia rany

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Naukowcy z Uniwersytetu Bolońskiego opracowali technologię, która pozwala monitorować proces gojenia się rany, bez konieczności zdejmowania opatrunku. Zintegrowany z opatrunkiem bezprzewodowy czujnik dokładnie mierzy poziom nawilżenia rany, a wszystkie zebrane dane przesyła do smartfona.

Według bolońskich naukowców jednym z głównych problemów trudno gojących się ran jest monitorowanie postępów gojenia. Obecnie klinicyści dokonują tego podczas zmiany opatrunku. Tymczasem wielokrotne odsłanianie rany może zaburzyć proces gojenia, a także generuje ryzyko zakażenia. Naukowcy z Bolonii postanowili wspomóc personel medyczny w skutecznym i łatwym monitorowaniu prawidłowego, wilgotnego środowiska rany.

Dokładny czujnik wilgotności

Naukowcy z Bolonii opracowali czujnik, w którego struktury wbudowali specjalny polimer przewodzący sygnał elektryczny, który mierzy poziom nawilżenia. Czujnik umieszczony został w materiale opatrunkowym. Dr Marta Tessarolo z Uniwersytetu Bolońskiego, autorka badania, informuje, że w opatrunek wbudowano także tag RFID, który bezprzewodowo przesyła dane o poziomie wilgoci w ranie do smartfona dzięki czemu personel medyczny wie, kiedy należy zmienić opatrunek.

Aby przetestować inteligentny opatrunek, naukowcy wystawili go na działanie sztucznego wysięku. Analizy pozwoliły również opracować odpowiedni kształt opatrunku oraz dobrać optymalny materiał. Badacze odkryli, że ich wynalazek był bardzo czuły, identyfikując bardzo dokładne poziomy wilgotności w ranie. Zdaniem naukowców inteligentny bandaż może być cennym narzędziem w leczeniu ran.

Dr Luca Possanzini z Uniwersytetu Bolońskiego podkreśla, że rozwiązanie może być skuteczne leczeniu wielu rodzajów ran. Ekspertka dodaje, że wynalazek wymaga jeszcze dopracowania i optymalizacji czujnika zanim będzie mógł przejść dalsze badania.

Prawidłowe środowisko rany wpływa na proces gojenia

Na prawidłowy proces gojenia się ran wpływa wiele czynników, takich jak odpowiednia temperatura w łożysku rany, poziom glukozy w przypadku pacjentów z cukrzycą, odpowiedni poziom pH. Jednym z najważniejszych czynników jest również optymalnie wilgotne środowisko rany. Odpowiedni poziom nawilżenia przyspiesza gojenie i zmniejsza ryzyko obumierania tkanek. Ponadto pozwala na zachowanie równowagi eznymatycznej oraz ograniczenie dolegliwości bólowych.

Zbyt suche środowisko może spowalniać proces leczenia i sprzyja powstawaniu blizn. Ponadto sucha rana często pokrywa się złogami włóknika, ziarnina w dnie ulega zwłóknieniu, a brzegi rany nie ulegają prawidłowemu naskórkowaniu. Z kolei zbyt wilgotne środowisko naraża skórę na uszkodzenia, sprzyja rozprzestrzenianiu się zakażeń, powoduje macerację brzegów rany.

Źródło: news-medical.net

 

Przeczytaj także: Zawierający mieszankę polimerów czujnik ciepła określi m.in. postępy w gojeniu rany

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