陶瓷—陶瓷假体摩擦界面的人工全髋关节中期临床疗效随访-研究

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1、硕士学位论文TheMid．．termResultsofCeramictoCeramicCoupledCementlessTotalHipArthr001asty一-Name：XuQinSupervisor：Prof．ShiZhan【junABSTRACTBackgroundAsoneofthemostsuccessfulsurgicaltechniquesinthe20thcentury，totalhiparthroplastyhasbeenwidelyusedforthetreatmentofend-stagehiparthrosis．Inthepast，the

2、mostappropriateageatthetimeofthehiparthroplastyWas65-75yearsold．Withthedevelopmentofprostheticmaterial，especiallythematurityofceramicmaterials，theservicelifeoftheartificialhipwaslongerthanbefore．Sotheindicationsoftotalhiparthroplastyhaveexpandedtotheyoungerpatients．Metal-polyethyleneh

3、ipimplantshasbeenwidelyusedasstandardartificialjointmaterialsuntilenow．However，ithadahighwearrate，weardebrisinducedseriousosteolysis，tissueinflammation，whichseriouslyaffectssurvivalofimplant．Overtheyears，peoplehavebeenlookingforamethodtosolvethisproblem．Frictioninterfacematerialwithlo

4、wwearratesaswellasgoodtissuecompatibilityisconsideredtobethepreferredsolutiontoimprovethesurvivorshipoftheprosthesis．Ceramicmaterialscameintobeing．Althoughtheceramicmaterialhasbeenusedintheartificialinterfacefor40years，thefirstandsecondgenerationceramicmaterialexistsomeproblem，suchasl

5、argergrainsandheterogeneity，bigbrittleness，badmechanicalproperties，whichleadtohigherrateofbreakageofceramiccomponents．Thethird—generationABSTRACTceramic··on·-ceramichasmatureprosthesisdesignandmaterialqualitytoresolvethisproblem．Ithavetheadvantagesofgoodbiocompatibilityandlowwearratea

6、shighhardinertmaterial，whichtobecomethepreferredinterfacematerialsatupgradingartificialhipprosthesis．Thethird-generationceramicinterfacematerialshavebeenusedinforeigncountriesmorethan20years．ButitWasnotlongerthan10years，whichwaswidelyusedforhiparthroplastyinourcountries．Besides，duetot

7、hedifferencesinlivinghabitandbodyconditions，whethertheintermediate-termorevenlong-termresultsassociatedwiththeuseofthethird-genermionceramicinterfacematerialsinChinaiscomparablewithpreviousliteraturesindevelopedcountriesisstillunknown．Sothefurtherresearchaboutthethird-generationcerami

8、cinte