髋臼后柱骨折经皮逆行拉力螺钉固定导向器可行性的数字模型分析

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1、硕士学位论文Thefeasibilityofintegralguidingdeviceforpercutaneousretrogradescrewfixationforposteriorcolumnofacetabulum：objectiveastudybydigitalmodelName：ZhangDa-baoSuperviser：WangGangABSTRACTOpenreductionandintemalWxationhasbeenthegoldstandardfordisplacedfractureinvolvingw

2、eightbearingdomeandfractureswitllintra—articularfragments．However,extensileexposurecanleadtocomplications，forexample，posttraumaticarthrosis，bloodloss，heterotopicossification,neurologicandangiologicinjury，infection，cat1．Recently，percutaneousfixationwereproposedthefra

3、ctureofacetabularwithoutdisplacementor、7I，itIlmilddisplacement,withthehelpofimagingnavigation，andtheoutcomeswereverywell．Domesticandforeignscholarsstudiedthelagscrewsforfixationofposteriorcolumnofacetabulum，includingspecimenandthree—dimensionalreconstructionmodels，a

4、ndthemaximumdiameterofscrewandtheinsertpointandangelweremeasured，buttheresultshadabigdifference．Moreimportantly，theresultswerehardtoappliedtoclinicalpractice．Theappearanceofdigitalorthopaedichascreatedaneweraforthebasicapplicationresearchoforthopaedicandtraumatology

5、．Compared、航tllthetraditionalcadavericrescach，ithasthelotsofadvantages，likehi曲accuracy，goodconsistency，repeatabilitystrongandsavingmedicalresources．Ourstudythebonymarkersonthepelvistostudythepercutaneousretrogradescrewfixationforposteriorcolumnfracturesofacetabulumon

6、thepelvis’threedimensionalreconstructionandtoexeplorethefeasibilityoftargetingdeviceforpercutaneousretrogradescrewfixationforposteriorcolumnfracturesofacetabulum,finalytoABSTRACTprovidetheappliedanatomicalbasisfordevelopmentofthetargetingdevice．1．Usingthebonymarkers

7、onthepelvis，tosimulatepercutaneousretrogradelagscrewfixationofposteriorcolumnoftheacetabulumonthepelvis’threedimensionalreconstruction，andtoprovideanewmethodforstudyingappliedbasicevidenceforpercutaneousretrogradelagscrewfixationofposteriorcolumnoftheacetabulum2．Top

8、rovidetheappliedanatomicalbasisforthefeasibilityofthetargetingdeviceforpercutaneousretrogradelagscrewfixationofposteriorcolumnOftheaeetabu