Daim Ntawv Thov Kev Kho Mob Titanium Alloy hauv Kev Kho Mob Daim Ntawv Thov Kev Kho Mob Titanium Alloy hauv Kev Kho Mob Field

 

 

Cov tsos ntawm titanium hlau muaj ib tug silver grey luster

Raws li hom tshiab ntawm cov hlau thiab cov khoom siv thauj khoom, kev kho mob titanium alloy yog dav siv hauv cov haujlwm muaj feem xyuam xws li kev cog qoob loo, lwm yam khoom siv, kev kho hniav, thiab cov khoom siv kho mob. Titanium thiab titanium alloys muaj cov yam ntxwv zoo corrosion kuj, muaj zog tshwj xeeb, tsis tshua muaj elastic modulus, qaug zog tsis kam, thiab zoo biocompatibility. Ntawm lawv, biocompatibility zoo ua rau nws muaj qhov tshwj xeeb zoo piv nrog rau lwm cov hlau, yog li nws tau nyiam dav hauv kev kho mob, tab sis nws nyuaj rau kev mob siab rau nws txoj kev txhim kho ntxiv vim nws tsis tshua muaj hnav tsis kam thiab kev ua haujlwm ntawm cov txheej txheem. Hauv kev kawm.

Nrog rau txoj kev loj hlob sai ntawm lub teb chaws kev lag luam, qhov kev thov rau kev kho mob titanium alloys hauv kev kho mob yog nce vim nws cov kev ua tau zoo heev. Raws li cov khoom siv hlau nrog cov khoom siv roj ntsha zoo heev, titanium thiab nws cov alloys muaj cov ntawv thov zoo hauv kev kho mob. Txawm li cas los xij, piv nrog cov teb chaws tsim, tseem muaj qhov sib txawv hauv kev tshawb fawb thiab kev tsim kho thiab kev siv titanium alloy cov ntaub ntawv hauv kuv lub teb chaws, xws li: siab elastic modulus, kev ua haujlwm tsis zoo, hnav tsis zoo thiab corrosion kuj ntawm titanium alloys. . Yuav ncaj qha cuam tshuam rau biocompatibility ntawm cov khoom. Yog li ntawd, txhawm rau tsim cov titanium alloys tshiab nrog kev ua tau zoo dua, kuv lub teb chaws yuav tsum nce cov khoom siv tshawb fawb thiab kev tsim kho, tsom mus rau kev tsim kho tshiab, thiab tsim cov khoom siv biomedical nrog qis elastic modulus, siab hnav tsis kam, corrosion kuj, thiab biocompatibility zoo heev. Cov khoom siv titanium alloy.

Titanium muaj kev sib raug zoo nrog tib neeg cov ntaub so ntswg thiab cov pob txha epithelial cov ntaub so ntswg, thiab nws cov khoom siv kho mob zoo heev kuj qhia txog nws qhov zoo hauv kev kho mob alloys. Thiab qis ntom ntom, lub teeb yuag, zoo corrosion tsis kam, xis hnav, yog li ntawd, titanium yog dav favored li plooj (cog). Tsis tas li ntawd, tom qab kev kho deg ntawm titanium hniav nyiaj hniav kub, kev ua kom zoo nkauj tau nce ntxiv, uas tuaj yeem ua tau raws li cov pej xeem xav tau kev zoo nkauj thiab muab cov neeg pom kev lom zem.

 

01. Rau kev taw qhia cov khoom siv kho mob

Kev kho mob titanium alloy cov cuab yeej kho mob yog lub cim thib peb ntawm cov cuab yeej phais tom qab carbon steel thiab stainless hlau. Txhawm rau txhim kho cov xeb tsis kam ntawm cov cuab yeej steel hlau, kev kho deg xws li chrome plating thiab electrolytic polishing feem ntau ua tiav. Txawm li cas los xij, chromium yog tshuaj lom, thiab cov txheej txheem chromium yuav muaj qee yam cuam tshuam rau tib neeg lub cev.

 

Qhov zoo ntawm kev kho mob titanium alloy raws li cov cuab yeej kho mob yog:

1. Cov twj paj nruag yog lub teeb hauv qhov hnyav, uas tuaj yeem txo qhov kev puas tsuaj rau cov hlab ntsha, cov leeg thiab cov plab hnyuv siab raum thaum lub sijhawm ua haujlwm, thiab txo qhov qaug zog ntawm cov kws kho mob. Cov cuab yeej kho mob titanium zoo dua rau kev phais mob zoo;

2. Zoo corrosion kuj thiab tsis muaj tshuaj lom, cov khoom siv tsis xeb, lub qhov txhab tsis yooj yim rau kev kis kab mob, thiab lub qhov txhab kho sai;

3. Kev kho mob titanium alloy muaj nruab nrab elasticity thiab haum rau cov cuab yeej xws li forceps, tweezers, thiab microsurgical riam;

4. Thaum ua haujlwm nyob rau hauv lub teeb tsis muaj duab ntxoov ntxoo, qhov kev ua tau zoo ntawm kev kho mob titanium tsis muaj zog, uas yog tsim nyog dua li cov hlau tsis muaj steel;

Kev kho mob titanium cov cuab yeej kho mob feem ntau suav nrog: scalpels, phais forceps, phais forceps, hauv siab expanders, suture koob, sutures, thiab lwm yam. Kev kho mob titanium hlau yog siv los ua phais suture, thiab piv nrog lwm cov ntaub ntawv, nws muaj qhov zoo ntawm cov ntaub so ntswg me me thiab zoo. torsion kuj (xws li stainless hlau xaim). Tom qab suturing, qhov phais qhov txhab tsis yooj yim o, thiab qhov chaw suture tsis yooj yim txav. Sutures feem ntau siv kho mob titanium hlau (TA1 los yog TA2 hlau), nrog ib txoj kab uas hla ntawm 0 5-0.8 hli. Tsis tas li ntawd, cov elasticity maj mam tsim los ntawm titanium-nickel alloy hlau tuaj yeem txhawb kev kho mob sai ntawm qhov txhab.

Tsis tas li ntawd, kev kho mob titanium alloy tseem yog cov khoom siv tseem ceeb rau cov khoom siv kho mob, xws li lub rooj zaum, lub rooj zaum, lub rooj zaum, cov khoom siv kho mob, thiab lwm yam.

 

02. Siv dav hauv cov khoom sib koom ua ke

Raws li cov ntaub ntawv tseem ceeb, kwv yees li 100 lab tus neeg mob thoob ntiaj teb raug kev txom nyem los ntawm lub hauv caug pob qij txha thiab caj npab sib koom ua ke txhua xyoo, thiab kev hloov pauv yog qhov tseem ceeb. Yog li ntawd, titanium alloys nrog kev hloov pauv zoo heev coj xov xwm zoo rau qhov no. Piv nrog cov ceramics, stainless hlau thiab lwm yam ntaub ntawv, lub elastic modulus ntawm titanium alloy yog ze rau cov pob txha ntawm tib neeg, thiab muaj ntau yam zoo nyob rau hauv modulus. Yog li ntawd, titanium alloys yog dav siv nyob rau hauv kev kho ntawm pob taws pob qij txha thiab lub luj tshib pob qij txha. Tsis tas li ntawd, cov khoom ntxeem tau ntawm titanium alloy tuaj yeem ua rau prosthesis bioactive thiab pab kho lub taub hau femoral; titanium alloy nto muaj biocompatibility zoo thiab tuaj yeem ua rau cov pob txha loj hlob, yog li nws tau pom zoo los ntawm cov kws kho mob thiab cov kws kho mob orthopedic.

Lub ntsiab zoo ntawm titanium thiab titanium alloys li implant restoration yog: ① siab zog, zoo tshuaj stability thiab biocompatibility; ② tsis muaj tshuaj lom thiab yuav tsis ua mob rau tib neeg lub cev; ③ tsis tshua muaj elastic modulus, sib haum nrog tib neeg cov pob txha; ④ Memory alloy muaj peev xwm elastic thiab cov duab rov ua haujlwm. Piv txwv li, daim ntawv thov ntawm titanium hauv kev kho pob txha taub hau yog qhov tseem ceeb hauv: kev siv cov titanium mesh tuaj yeem kho pob txha taub hau. Daim ntawv thov nyob rau hauv tib neeg cov hlab plawv system yog xav txog nyob rau hauv kev npaj ntawm dag lub plawv li qub, lim ntshav, cardiac pacemakers thiab dag lub plawv twj tso kua mis.

 

Nws yuav tsum raug sau tseg tias titanium tsis haum rau tag nrho cov khoom sib koom ua ke. Ntawm qhov sib koom ua ke, qhov feem ntau viav vias tsis haum, vim tias titanium yog ib qho yooj yim rau hnav (ceramic thiab cobalt alloy yuav tsum tau siv), thiab titanium alloy yuav tsum tau siv rau qhov cog. Txhawm rau ua kom nws ua ke nrog cov pob txha ntawm lub cev muaj sia sai li sai tau, nws yog ib qho tsim nyog yuav tsum ua kom lub ntsej muag ntawm titanium alloy tsis sib xws, thiab coated nrog osteoinductors xws li apatite (Apatite) thiab bioglass.

 

03. Titanium yog qhov kev pabcuam zoo rau kev tsim kho hniav

Cov hlau siv hauv kev phais hniav pib nrog amalgam thiab hlau crowns hauv xyoo 1920. Kub, nyiaj thiab palladium alloys yog siv nyob rau hauv 1960s. Tom qab xyoo 1970s, cov hlau tsis muaj steel tau ua tas li, tshem tau cov khoom siv orthodontic. Cov khoom siv feem ntau, titanium casting technology, tau nce thiab siv nyob rau xyoo 1990s. Kev kho hniav titanium precision casting tshuab muaj cov yam ntxwv ntawm qhov siab qhov tseeb, tsis muaj npuas, shrinkage kab noj hniav thiab lwm yam. Ntawm cov khoom siv hlau siv rau tib neeg cov ntaub so ntswg kho, elastic modulus ntawm titanium yog qhov ze tshaj plaws ntawm tib neeg cov ntaub so ntswg, uas tuaj yeem txo qhov siab ntawm cov hlau cog thiab cov pob txha. Mechanical incompatibility ntawm cov ntaub so ntswg. Titanium muaj qhov qis tshaj thermal conductivity ntawm tag nrho cov khoom siv hlau siv hauv kev kho hniav. Tsawg thermal conductivity txo cov thermal stimulation ntawm cov yas pulp, uas yog ib qho tseem ceeb heev rau kev kho hniav. Titanium inlays thiab tag nrho cov yas tuaj yeem tiv thaiv cov tawv nqaij los ntawm kub thiab txias stimulation. Los ntawm cov khoom siv ntawm qhov pom, kev kho hniav titanium feem ntau yog titanium ntshiab, tab sis nws lub zog tsis txaus, tsis yooj yim rau kev zom, tsis zoo hnav tsis kam, ua rau muaj qhov tsis xws luag, thiab tsis ruaj khov. Titanium alloy muaj lub zog siab, feem ntau siv yog Ti-6Al-4V alloy, tab sis vim cov hlau V ua rau tib neeg lub cev, Nb siv los hloov V, thiab Ti-6 Al-7Nb alloy tau tsim ua tiav, uas muaj kev tiv thaiv corrosion zoo heev thiab tsis muaj teeb meem rau tib neeg lub cev. Nws muaj qhov zoo ntawm cov yas muaj zog thiab zoo heev abrasiveness, thiab tau pom zoo los ntawm ASTM cov qauv. Tam sim no, superelastic titanium-nickel alloys tau siv dav hauv orthodontics.

Txij li thaum xyoo 1980s, cov teb chaws tsim kho tau pib kawm txog kev siv titanium hauv kev kho qhov ncauj, ua ntej rau kev cog hniav, thiab tom qab ntawd rau cov hniav hniav, cov hniav txuas hniav thiab cov kab hniav orthodontic. Titanium tam sim no muaj nyob rau hauv cov yas yas thiab yas ntsia hlau. , tsau txuas hniav, porcelain txuas hniav, txuas txuas hniav, hniav hniav clasps, hauv paus, connectors thiab reinforcements, yuav luag tag nrho cov hlau qhov chaw ntawm cov hniav hniav tuaj yeem ua los ntawm titanium. Txoj kev kawm ntawm titanium thiab titanium alloys tau dhau los ua qhov hotspot nyob rau hauv txoj kev kawm ntawm alloys rau kev kho hniav. Titanium alloy porcelain hniav tuaj yeem kho cov duab thiab ua haujlwm ntawm lub cev hniav, thiab nws muaj lub zog siab, zoo nkauj tsos, xim ruaj khov, du nto, hnav tsis kam thiab corrosion kuj. Nws yog ib qho kev kho kom ruaj khov thiab haum rau tag nrho cov hniav ruaj. Tshwj xeeb, nws muaj biocompatibility zoo thiab yog qhov tsim nyog rau cov neeg uas nkag siab zoo rau cov nickel ions. Nws tau siv dav hauv kev kho hniav kho hniav.