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Powstały innowacyjne szwy chirurgiczne inspirowane ludzkimi ścięgnami

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Zespół badaczy z Montrealu opracował innowacyjne szwy w twardej powłoce żelowej, które imitują mechanikę ludzkiego ścięgna. Dzięki nowatorskiej formule szwy powodują mniejsze uszkodzenia tkanek miękkich wokół rany i zmniejsza się ryzyko powikłań.

Naukowcy z McGill University opracowali technologię, która wzorowana jest na mechanice ludzkiego ścięgna. Stworzone przez badaczy szwy nowej generacji pokryte są śliską, wytrzymałą żelową powłoką (ang. tough gel sheathed sutures, TGS), która imituje strukturę miękkich tkanek łącznych. Jak wykazały badania nad szwami TGS, gładka powierzchnia żelu zmniejsza powodowane przez szwy uszkodzenia tkanek. Naukowcy widzą dla nowej technologii szerokie zastosowanie w leczeniu ran.

Personalizowana terapia

Jak wyjaśnia Zhenwei Ma, główny autor projektu naukowego oraz doktorant w McGill University, inspiracją do stworzenia innowacyjnych szwów było dla zespołu naukowców ludzkie ciało. Budowę i właściwości szwów wzorowano na endotenonie, czyli otoczce z tkanki łącznej, która otacza włókna kolagenowe w ścięgnach. Jak tłumaczy ekspert:

– Osłonka endotenowa jest twarda i wytrzymała dzięki podwójnie usieciowionej strukturze. Wiąże ze sobą włókna kolagenu, a dzięki sieci elastyny jest mocniejsza. Endoten nie tylko tworzy śliską powierzchnię o niewielkim tarciu, ale również uczestniczy w transporcie substancji niezbędnych do regeneracji tkanki po urazie ścięgna.

Szwy opracowane przez naukowców z McGill University naśladują te właściwości endotenu.

Zaawansowane leczenie ran

Jak zwraca uwagę prof. Jianyu Li z McGill University, który sprawował kontrolę nad przebiegiem badań, opracowana technologia może stanowić wszechstronne narzędzie w zaawansowanej terapii ran. Ekspert tłumaczy, że innowacyjne szwy można wykorzystać do dostarczania leków, w profilaktyce zakażeń, a nawet do monitorowania rany poprzez obrazowanie w bliskiej podczerwieni.

Źródło: sciencedaily.com

Przeczytaj także: Badanie: immunoterapia w onkologii a zmiany skórne

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