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Sabbin ci gaba a cikin tasoshin jini na wucin gadi ana saka su da collagen da zaruruwan acid na polylactic

Lokaci:2020-10-12 Hits:

A cikin maganin marasa lafiya da cututtukan zuciya, lalacewa ko toshe sassa na tsarin zuciya da jijiyoyin jini wani lokaci ana buƙatar maye gurbinsu, ko dai ta hanyar dasawa ta atomatik ko tare da abubuwan da suka dace. Juyawa ta atomatik yana buƙatar ba kawai cewa majiyyaci zai iya samar da sashin maye gurbin lafiya ba, amma kuma cewa maye gurbin ba zai shafi rayuwar majiyyaci ta al'ada ba, don haka buƙatun suna da inganci. Ga masu ciwon zuciya da yawa, Likitoci sukan yi amfani da tasoshin jini na wucin gadi don kammala aikin.




An yi tasoshin jini na wucin gadi daga kayan aiki da hanyoyi daban-daban. Kwanan nan, ƙungiyar masu bincike daga Jihar NC da CWRU sun saƙa wani jirgin ruwa na wucin gadi ta hanyar hada collagen da polylactic acid fibers..





Wani sabon abu game da wannan tasoshin jini na wucin gadi shine:
(1) Abubuwan haɗin gwiwar collagen a cikin zaruruwan collagen na iya ƙara mannewar sel na farko ta 10 sau. Bayan wani lokaci na al'ada, adadin tarin tantanin halitta da yaduwa shine 3.2 sau sama da na tasoshin jini na wucin gadi da aka yi da fiber PLA kadai, wanda ke da saurin endothelialization sakamako.
(2) Polylactic acid fiber na iya samar da isasshen ƙarfin injiniya da kwanciyar hankali na tsari, da kuma taka rawar ababen more rayuwa, wanda ke taimakawa wajen samar da saurin samar da wannan tasoshin jini na wucin gadi, ta yadda za a samu ci gaban masana'antu.
(3) Haɗaɗɗen suturar tasoshin jini na wucin gadi sun nuna kyakkyawan ƙarfin karyewa (1.89±0.43 MPa) da ƙarfin kiyaye suture (10.86±0.49 N), da matakin matsa lamba (3.98± 1.94% / 100 mmHg) ya kasance kwatankwacin na arteries na jijiyoyin jini a ƙarƙashin hawan jini na al'ada (3.8&plmmHg; 0.3% / 100 mmHg), nuna kyakykyawan daidaitawa.







(4) Tsarin saƙa na madauwari yana da sassauƙa kamar jijiya na jijiyoyin jini na halitta kuma yana iya faɗaɗawa da kwangila.




Irin wannan nau'in cututtuka na jijiyoyin jini na wucin gadi ba shine dindindin ba kuma zai iya ba da tallafi don gyaran jini a matakin farko na shigarwa., wanda daga karshe jiki zai iya rugujewa da shanyewa. Babbar matsalar, wanda har yanzu kungiyar ke kokarin shawo kanta, shi ne cewa jirgin yana da ƙarin pores na tsarin da ke ba da damar jini ya fita.

Aikin tawagar yana da take "Ƙwararren jijiyar jijiyar ƙwayar cuta wanda ke yin amfani da ingantattun kaddarorin inji na filayen roba da aikin ilimin halitta na filaments na Collagen.," An buga a Kimiyyar Material da Injiniya: C.

Asalin mahada: https://doi.org/10.1016/j.msec.2020.111418