Titanium alloysFeem ntau hailed raws li tus "Wonder hlau" ntawm biomedicine, nrog kev thov kho hniav rau cov khoom siv plawv thiab kev phais hniav rau txhua daim teb ntawm cov tshuaj niaj hnub ntawm cov khoom siv niaj hnub no.
Vim li cas thiaj li yuav ua li no zoo li no cov hlau zoo li no "ploj" nyob rau hauv tib neeg lub cev, sib koom tes nrog peb cov ntaub so ntswg? Dab tsi yog nws qhov zoo tshaj plaws "biological magic"? Cov khawv koob no los qhov twg los? Cia peb tshawb cov lus nug hauv cov lus no.
Thaum xyoo 1950, titanium alloys tau nkag mus hauv chav kho mob. Thawj lub hnub qub khoom, Ti-6al-4V (muaj 6% aluminium thiab 4% vanadium), ua tau zoo, tab sis cov kws kho mob tau pom tias cov vanadium cov ntsiab lus yuav ua rau muaj kev pheej hmoo. Yog li, cov kws tshawb fawb tau pib tsim cov qauv tshiab, hloov cov vanadium nrog kev nyab xeeb ntawm kev nyab xeeb xws li Ti-6al-7NB.
Nyob rau hauv lub ntiaj teb ntawm cov ntaub ntawv kho mob, titanium alloys zoo li txhua -}} muaj zog, thiab zoo kawg nkaus biocompice.
Hom tau txais txiaj ntsig 1: biocompatibility zoo heev.
Yog tias ib daim hlau tso rau hauv tib neeg lub cev, qhov kev txhawj xeeb loj tshaj plaws? Ntawd yog - qhov kev pheej hmoo ntawm kev tsis lees paub. Txawm li cas los xij, Titanium alloys tuaj yeem ua rau muaj kev thaj yeeb nyab xeeb nrog tib neeg lub cev ua tsaug rau cov cuab yeej tshwj xeeb: lub peev xwm los txiav daim txheej tiv thaiv (titanium dioxide). Cov txheej no yog qhov ua kom zoo hauv cov kua hauv lub cev, ua kom muaj kev pheej hmoo tawm ntawm cov hlau, yog li txo kev pheej hmoo ntawm cov kab mob ntawm cov lus teb.
Qhov Zoo Dua 2: Muaj Zog thiab Hnav Hnav.
Qhov thib ob zoo tshaj plaws feature ntawm titanium alloys yog lawv cov khoom siv neeg. Cov kws kho mob tau pom tias ib qho zoo tshaj plaws cog cov ntaub ntawv yuav tsum muaj ob yam ntxwv: Txaus ntxias kom tiv thaiv cov kev ua si txhua hnub, thiab elasticity zoo ib yam li cov pob txha ntuj. Titanium alloys zoo kawg nkaus ua tau raws li cov cai no.
Qhov zoo 3: Zoo heev Corrosion tsis kam.
Vim nws cov kev ua tau zoo tshaj plaws, titanium alloy tau pom thoob plaws kev kho mob niaj hnub no xws li kev kho hniav tseem ceeb, thiab orthopedic kev cog lus.
Ib qho kev ntsuas ntawm kev kho mob ntawm titanium alloys
Titanium alloys muaj cov ntawv thov Widest hauv Orthopedics, feem ntau siv rau kev kho lossis hloov cov pob txha uas puas thiab muab cov pob qij txha hloov. Lawv cov coj tsis kam thiab nkees tsis kam ua rau lawv cov khoom siv zoo rau ntev- Lub sij hawm kev cog lus hauv caug thiab lub xub pwg pob qij txha.
Thib ob, titanium alloys tau siv rau kev siv tsev kho hniav rau kev kho hniav, feem ntau yog lo hniav looj, thiab kho cov kev kho mob thiab orthodontic. Ntshiab titanium (cp - ti) thiab ti) thiab ti-6al-4V yog cov khoom siv feem ntau siv rau kev cog hniav.
Lwm qhov kev thov tseem ceeb ntawm titanium alloys yog nyob hauv cov hlab ntshav. Nyob rau hauv daim teb ntawm cov hlab ntsha stents, ua los ntawm nickel {{1-2 mm) thiab tom qab ntawd tau cog rau hauv cov hlab ntshav, yog li kev txhawb nqa cov hlab ntsha nqaim.
Raws li tau hais ua ntej, kev tsim cov txheej txheem ua tiav tau hloov pauv titoracted titals mus rau hauv lub cev "kho mob" ua si ib lub luag haujlwm IRREplaceable hauv tib neeg lub cev. Nrog txuas ntxiv nyob rau hauv kev sib tshuam ntawm cov ntaub ntawv science thiab bioengineering, muaj peev xwm ua tau zoo li cas los ua lub luag haujlwm tseem ceeb, lossis tseem muaj kev kho mob rau tus kheej, lossis tseem tab tom ua tau zoo, lossis tseem muaj kev kho mob rau tus kheej, lossis tseem tab tom muaj peev xwm ua tau zoo, lossis tseem muaj kev kho mob rau tus kheej, lossis tseem tab tom muaj peev xwm ua tau zoo, lossis tseem ceeb dua los ua ib qho tseem ceeb hauv kev txhim kho tshuaj, thiab lwm thaj chaw.
