I-Titanium isibe yisinqumo sokuqala sokufakelwa kokuhlinzwa emkhakheni wezokwelapha ngenxa yezakhiwo zayo ezinhle kakhulu kanye nokuvumelana kwe-biocompatibility. Eminyakeni yamuva nje, ukusetshenziswa kwe-titanium ekufakweni kwamathambo namazinyo, kanye nezinhlobonhlobo zemishini yezokwelapha, kuye kwanda kakhulu. Lokhu kudlondlobala kokuduma kungase kubangelwe izici eziyingqayizivele ze-titanium njengamandla, ukumelana nokugqwala nokuhambisana nomzimba womuntu. Kulesi sihloko, sizohlola izizathu zokuthi kungani i-titanium isiphenduke into ekhethwayo ekufakweni kwezokwelapha, kanye nemibandela ethile kanye namamaki aqinisekisa ukufaneleka kwe-titanium kuzicelo ezinjalo.
Esinye sezizathu eziyinhloko zokusetshenziswa kabanzi kwe-titanium ekufakweni kwezokwelapha yi-biocompatibility yayo. Uma into ibhekwa njenge-biocompatible, kusho ukuthi ibekezelelwa kahle ngumzimba futhi ayibangeli ukusabela okubi kwamasosha omzimba. I-biocompatibility ye-Titanium ibangelwa ikhono layo lokwenza ungqimba oluncane lwe-oxide evikelayo endaweni yayo lapho ibhekene nomoya-mpilo. Lesi singqimba se-oxide senza i-titanium inert futhi imelane nokugqwala, iqinisekisa ukuthi ngeke isabele ngoketshezi lomzimba noma izicubu. Ngenxa yalokho, ukufakwa kwe-titanium mancane amathuba okuba kubangele ukuvuvukala noma ukwenqatshwa, okukwenza kube ukukhetha okuphephile nokuthembekile kwezicelo zezokwelapha.
Ngaphezu kwe-biocompatibility, i-titanium inesilinganiso esihle kakhulu samandla nesisindo, esibalulekile ekufakweni okufanele kumelane nezingcindezi zemishini kanye nezinkinga zomzimba. Kungakhathaliseki ukuthi okokufakelwa kokuhlinzwa, izinto zokulungisa amathambo noma izimila zamazinyo, izinto ezisetshenziswayo kufanele zibe namandla ngokwanele ukuze zisekele imisebenzi yomzimba ngaphandle kokuba zibe nkulu kakhulu. Amandla aphezulu e-Titanium nokuminyana okuphansi kuyenza ibe into efanelekile yezinhlelo ezinjalo, inikeze ukusekelwa kwesakhiwo esidingekayo ngaphandle kokwengeza isisindo esingadingekile noma ingcindezi emzimbeni.
Ngaphezu kwalokho, i-titanium inokumelana nokugqwala okuhle kakhulu, okubalulekile ekufakweni okuhlala emzimbeni isikhathi eside. Imvelo yemvelo yomzimba igqwala kakhulu, futhi uketshezi oluhlukahlukene lomzimba nama-electrolyte kungabangela izimila zensimbi ziwohloke ngokuhamba kwesikhathi. Isendlalelo se-oxide yemvelo ye-Titanium sisebenza njengesithiyo sokugqwala, siqinisekisa ukuzinza nobuqotho besikhathi eside sokufakelwa emzimbeni. Lokhu kumelana nokugqwala kubaluleke kakhulu ekufakweni kwezinhlelo zokusebenza ezithwala imithwalo, njengokushintshwa kwe-hip namadolo, lapho impahla kufanele imelane nokucindezeleka okuqhubekayo kwemishini ngaphandle kokuwohloka.
Izinhlangano eziningana zamazwe ngamazwe zinezidingo eziqinile zamazinga athile kanye namamaki e-titanium asetshenziswa ekufakweni kwezokwelapha ukuqinisekisa ikhwalithi nokuphepha kwalezi zinto. I-American Society for Testing and Materials (ASTM) ithuthukise amazinga afana ne-ASTM F136 ne-ASTM F67 achaza ukwakheka kwamakhemikhali, izakhiwo zemishini, nezindlela zokuhlola ze-titanium yebanga lezokwelapha. Lawa mazinga aqinisekisa ukuthi i-titanium esetshenziswa kuzinto ezifakwayo ihlangabezana nemibandela edingekayo ye-biocompatibility, amandla, nokumelana nokugqwala.
Ngaphezu kwalokho, i-International Organization for Standardization (ISO) ichaza amabanga athile e-titanium, njenge-ISO 5832-2, ISO 5832-3, ne-ISO 5832-11, asetshenziswa kakhulu ekufakweni kwamathambo namazinyo. Lawa mazinga e-ISO achaza izidingo zama-alloys e-titanium asetshenziswa ekufakweni kokuhlinzwa, okuhlanganisa ukwakheka, izakhiwo zemishini, nokuhlolwa kokuvumelana kwe-biocompatibility. I-Ti6Al7Nb ingxubevange ye-titanium eyaziwa kakhulu yokufakelwa kwezokwelapha, ehlanganisa amandla aphezulu, i-biocompatibility kanye nokumelana nokugqwala kwezinhlobonhlobo zamadivayisi afakekayo.
I-Titanium yokufakelwa kwezokwelapha ngokuvamile itholakala ngezinduku, izintambo, amashidi namapuleti. Lawa mafomu ahlukene angasetshenziswa ukwenza izinhlobo ezahlukene zokufakelwa kanye namadivayisi, kusukela kwizikulufi zamathambo namapuleti kuya ekuxhumekeni kwamazinyo kanye namakheji omgogodla. Ukuguquguquka kwe-titanium ngezindlela ezihlukene kuvumela abakhiqizi ukuthi balungise okokusebenza ukuze kuhambisane nemiklamo ethile yokufakelwa kanye nezinhlelo zokusebenza, baqinisekise ukuthi isifakelo sihlangabezana nemibandela yokusebenza edingekayo yemishini kanye neyebhayoloji.
Kafushane, i-biocompatibility ye-titanium enhle kakhulu, amandla kanye nokumelana nokugqwala kuyenza ibe yimpahla ekhethwayo yokufakelwa kwezokwelapha. Amazinga akhethekile namabanga afana ne-ASTM F136, ASTM F67, ISO 5832-2/3/11 kanye ne-Ti6Al7Nb aqinisekisa ukuthi i-titanium esetshenziswa ekufakweni kwezokwelapha ihlangabezana nezimfuneko eziqinile zekhwalithi nokuphepha. Njengoba inekhono lokumelana nemvelo yomzimba futhi inikeze ukuzinza kwesikhathi eside, i-titanium iyaqhubeka idlala indima ebalulekile ekuthuthukiseni ubuchwepheshe bokufakelwa kwezokwelapha kanye nokuhlinzeka iziguli izixazululo ezinokwethenjelwa, ezihlala njalo zezinhlobonhlobo zezidingo zamathambo namazinyo.
Siholwa yiqembu lonjiniyela abanobuhlakani kanye nochwepheshe bezimboni abaneminyaka engaphezu kwengama-20 yokuhlangenwe nakho kobuchwepheshe ekwenzeni izinto ezisezingeni eliphezulu ze-titanium. Siyakuqonda ukuba yingqayizivele nokuba yigugu kwempilo futhi ifilosofi yebhizinisi lethu iwukusebenza namakhasimende ethu ukuze sinakekele impilo yabantu ngesevisi eyingqayizivele, ikhwalithi ephezulu kanye nenani eliphezulu.
Siyakwamukela ku-Joyina amakhulukhulu amakhasimende ajabule ka-Xinnuo ukuze ukhiqize imikhiqizo yekhwalithi ye-Titanium ukuze umuntu abe nempilo enhle nejabulisayo.
Isikhathi sokuthumela: Mar-25-2024