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Proteza przyszłości dla pacjentów po amputacjach urazowych dłoni

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Studenci AGH opracowują biomechaniczną protezę palców dłoni dla pacjentów po amputacjach urazowych jednego lub dwóch paliczków. Produkcja oparta jest na technologii druku 3D. Celem projektu jest stworzenie spersonalizowanej protezy przyszłości.

Studencki projekt „Pomocna Dłoń AGH – FingerPrint” zakłada opracowanie biochemicznej protezy opartej na technologii druku 3D. Produkt ma być dostępny dla każdego, a także wytrzymały, ruchomy i funkcjonalny. Zmiana protezy, jak zapowiadają autorzy projektu, ma być prosta. Wykorzystanie druku 3D wpływa też na obniżenie kosztów produkcji.

Kompleksowa realizacja

Studenci AGH podkreślają, że projekt realizują kompleksowo, poczynając od modelowania i konstrukcji, poprzez produkcję, po testowanie. Obecnie udało się opracować cztery prototypy protez. Pierwszy z nich, o nazwie alfa, posiada dźwignie wykonane z metalu, a paliczki z polimeru. Kolejne dwa prototypy wzbogacone są o modyfikacje z mocowaniem dźwigni. Czwarty prototyp – coco – który jest obecnie rozwijany, przeznaczony będzie dla palców z ubytkiem dwóch paliczków, proteza osadzona będzie na kikucie za pomocą opaski zaciskowej.

Prototyp coco; źródło: AGH

Po przetestowaniu wszystkich wariantów protez najlepsze rozwiązania wprowadzone zostaną w końcowym modelu. Finalny prototyp przetestuje zespół lekarski z Oddziału Chirurgii Plastycznej, Rekonstrukcyjnej i Oparzeń Szpitala Specjalistycznego im. Ludwika Rydygiera w Krakowie na wyspecjalizowanej grupie pacjentów.

Najlepsze oprogramowanie i wsparcie specjalistów

W trakcie prac nad protezą przyszłości studenci AGH korzystają z wiedzy specjalistów z branży projektowania przestrzennego i wykorzystują najlepsze oprogramowanie. Niektóre elementy protezy drukowane są z proszków metali. Taki zabieg pozwoli na poprawienie własności mechanicznych protezy oraz wydłużenie czasu zużycia części.

Naszym celem jest skonstruowanie funkcjonalnej mechanicznej protezy palca z wykorzystaniem technik druku 3D. Chcemy, aby nasze protezy pomogły w powrocie do możliwie pełnej sprawności osobom po urazowych utratach palców dłoni. Ważnym celem projektu jest niski koszt protezy przy zachowaniu wysokiej funkcjonalności. Staramy się to osiągnąć poprzez zastosowanie technik druku 3D, w tym drukarek FDM. Nasz projekt ma charakter niekomercyjny – zależy nam na możliwie szerokiej dostępności projektowanych protez – wskazują autorzy projektu.

Projekt studentów finansowany jest dzięki wygranej w konkursie „Grant Roku 2021”.  Najnowszy prototyp zaprojektowany przez studentów znalazł się w finale Konkursu Konstrukcji Studenckich KOKOS w kategorii life upgrade.

 

Źródło: AGH

 

Przeczytaj także: Więcej opatrunków z owodni dzięki współpracy śląskich szpitali

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