Një zbulim revolucionar në botën e mjekësisë

Shkencëtarët kanë zhvilluar pejsmekerin kardiak më të vogël në botë – një pajisje me valë më e vogël se një kokërr orizi që injektohet nëpërmjet një shiringe, kontrollohet nga drita dhe zbërthehet në trup kur nuk është më e nevojshme.

Ky stimulues kardiak i përkohshëm revolucionar, i cili është bërë nga një strukturë jashtëzakonisht e hollë dhe e shkurtër (1 mm e trashë dhe 3,5 mm e gjatë), paraqet një përparim të rëndësishëm në teknologjinë mjekësore.

Dizajni i tij lejon që të lidhet me një leukopalst të butë që vendoset në gjoksin e pacientit. Kur aparati zbulon parregullsi në rrahjet e zemrës, aktivizon automatikisht një puls drite që drejton pejsmekerin kardiak për të stimuluar zemrën, shkruan Science Alert, përcjell Telegrafi.

Zhvillimi i kësaj pajisjeje u motivua nga nevojat e fëmijëve me defekte të lindura të zemrës, të cilët përbëjnë rreth një për qind të lindjeve dhe që kanë nevojë për një stimulues kardiak të përkohshëm gjatë javës së parë pas operacionit.

Përveç fëmijëve, pajisja mund të ndihmojë edhe të rriturit të rikuperohen nga procedurat kardiake, duke zëvendësuar stimuluesit tradicionalë të përkohshëm të pejsmekerit që kërkojnë vendosjen kirurgjikale të elektrodave në muskulin e zemrës, duke përdorur një tel që lidh pajisjen me gjoksin e pacientit. Operacione të tilla ndonjëherë shkaktojnë dëme kur hiqen elektrodat.

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Pacemaker-i i ri me valë mundësohet nga një qelizë galvanike, e cila përdor lëngjet e trupit për të kthyer energjinë kimike në impulse elektrike. Deri më tani, prova të suksesshme janë kryer në minj, minj, derra, qen, si dhe në indet e zemrës së njeriut në kushte laboratorike.

Autori kryesor i studimit, John Rogers nga Universiteti Northwestern, vlerëson se pajisja mund të testohet te njerëzit brenda dy deri në tre vjet, dhe laboratori i tij tashmë ka nisur një kompani fillestare për të arritur këtë qëllim.

Potenciali i kësaj teknologjie shkon përtej fushës së kardiologjisë, duke hapur mundësi për aplikime në rigjenerimin e nervave, shërimin e plagëve dhe zhvillimin e implanteve inteligjente, që përfaqëson një ndryshim të vërtetë paradigme në mjekësinë bioelektronike. /Telegrafi/

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