Emazweni amaningi athuthukile, ukufa kwabantu ngenxa yezifo zenhliziyo nemithambo yegazi njengomfutho wegazi ophakeme nesifo senhliziyo kuyanda. Lokhu kudala isidingo sesikhathi eside sokuqapha okuqhubekayo kwemingcele ebalulekile yeziguli, okwenza kube nokwenzeka ukuhlola ukusebenza kahle kwesimiso senhliziyo.
Imishini yokuhlola umfutho wegazi esetshenziswayo njengamanje ikhawulelwe ukusetshenziswa esibhedlela futhi ayakhelwe ukuqapha okuqhubekayo noma okuvamile.
Kulokhu, umqondo wokudala idivayisi yokuqapha eqhubekayo yesimanje yathuthukiswa, kucatshangelwa zonke izidingo eziyisisekelo. Umshini omusha uzosebenzisa lokho okubizwa ngokuthi "ama-electrode awomile" angadingi ama-pastes asebenzayo noma ama-gel ukuze asetshenziswe. Zizokwenziwa ngenjoloba ekhethekile yokuhambisa, futhi zizotholakala esifundeni se-lumbar.
Ngokungeziwe kumapharamitha womfutho wegazi, idivayisi entsha izokwazi ukunikeza idatha efana nezinga lokushisa lomzimba, izinga lokushaya kwenhliziyo nokushaya kwenhliziyo. Lonke lolu lwazi luzogcinwa ku-ROM yocingo futhi lunikezwe njalo udokotela okhona. Esimeni lapho kuchezuka kusukela kokujwayelekile kwenye yepharamitha, idivayisi izobonisa lokhu kumsebenzisi.
Izingubo ezintsha zizothandwa kakhulu kwezokwelapha, kodwa mhlawumbe zizothakazelisa nezempi, ngoba ububanzi bokusetshenziswa kwezingubo "ezihlakaniphile" ngezinhloso zempi zingahlukahluka kakhulu.
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