骶髂螺钉固定通道的数字解剖学分析

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1、中文摘要维骨盆模型。在术前测量其安全最佳通道，制定个体化的进钉角度、螺钉长度，大大降低了固定骶髂螺钉产生的螺钉错位、神经血管损伤的手术风险，减少术中的X线暴露，提高手术治疗的效果。关键词：骶髂关节损伤；骶髂螺钉；固定通道；三维重建；数字解剖英文摘要ThedigitalanatomicalstudyaboutsacroiliacscrewchannelABSTRACTResearchbackground：Pelvisliesatthebasisofthehumantrunkandthecenterofthebody,connectingthetrunkandlowerlimbs．T

2、hebiomechanicalfunctionofpelvisistotransfertheloadthespinebearstothelowerlimbs．Thepelvisstabilityofposteriorpelvicringis60％，whilethatofanteriorpelvicring40％．Theprimarystabilizerofposteriorpelvicringissacroiliaccomplex．Withthedevclotof,cial‘China，theoftratlicaccidentsdevelopmentofsocialeconomy

3、intlaeoccurrenceoItrarixc，andminingaccidentsisincreasingyearafteryear,andSOisthehigh。energypelvicinjuryrate．Whenpowerfulforcecausesthefractureofposteriorpelvicring．itwillcauseextremelyunstablepelvicfractures⋯‘verticalunstablefractures．Withthedevelopmentofresearch，thenatureofverticalunstablefr

4、actures,thatis，sacroiliaccomplexinjuryismoreandmoreacknowledged．Inthepast，pelvicsuspension，femoraltractionorsomeothernonoperativemanagementsareadoptedtotreatthepatients，causingseveresequela，suchasinequalityoflowerlimbs，malunionoffractures，painsandSOon，with50％～60％disabilities．whichmakesthepati

5、entssuffergreatly．Nowadaysthescholarsathomeandabroadalladvocateusingpositiveoperativemanagementstotreatunstablefractures．Therearemanyoperativetherapiesforthetreatmentofsacroiliacjointinjury,mainlyanteriorbonegraftingandintemalfixationwithsteelplateandscrew,posteriorintemalfixationwithsacroili

6、aclockingcompressionplate，intra-sacralrodfixationtechniqueandsacroiliacscrewinternalfixationetc．Experimentsshowthatamongdifferentmethodsfixingposteriorpelvicring，articulationessacroiliacacancellousbonescrewfixationworksbest，articulationessacroiliacaanteriorfourholeplatethesecondandsacrumposte

7、riorsacralrodtheworst．Beingthemostimportantminimallyinvasivetreatmentofposteriorpelvicringfracturesatpresent，percutaneousiliosacralscrewfixationtechniquecaneffectivelyreduce英文摘要hemorrhage，traumasandpostoperativecomplications．Nowpercutaneousil