legion翻修系统手术技术p ritschl junezsurgic revtechn团final2014.pptx

SurgicalTechniqueonLegionRevisionSystemP.Ritschl,J.JunezOrthopedicClinicGersthof,ViennaAustriaRoadshowChina18-24.August2014

30.07.2014

RestorationofthenormalJointline UseAugmentsKeyfactorsinRevisionSurgeryofTKAKeepFlexionspaceassmallaspossibleSizingfemoralcomponent Basedon:Maximalmediolateraldimension In-betweentwosizes:choosethelargeroneLigamentbalancing/Constraintdecisions

CaseReport:PreoperativePlanning SawBoneandIntraoperativeVideos Tibiaprosthesis Femurprosthesis Patellareplacement Ligamentbalancing/ConstraintdecisionsKeyPointsRoadshowChina18-24.August2014

PreopPlanning

Casereport:Preop.XrayJ.Ale.male68y

30.07.2014PosteriorcondylaroffsetRatio(0,4–0,5)InsallSalvattiIndex:(0,8–1,2)SizingOffsetJLrestoration-Augments

CaseReport:PreoperativePlanning SawBoneandIntraoperativeVideos Tibiaprosthesis Femurprosthesis Patellareplacement Ligamentbalancing/ConstraintdecisionsKeyPointsRoadshowChina18-24.August2014

SurgicalApproachMedialparapatellar

Removaloftheprosthesis

PreparationfortheTibiaProsthesis

Openingofthetibialcanal(9.5mmdrill)ReamingtotheappropriatesizeMountingofthetibialcuttingjigwiththetibialIMaligmentguideTibialpreparation

Determinationoftheresectionlevel–anglewing90°tothemechanicalaxis,1.37mmsawbladeTibialpreparation

DeterminationofthetibialcuttingheightusingthestylusRemovalofthetibialIMalignmentguide,performingtibialcutMountingandfixationofthetibialcuttingjigRecutofthetibia

Tibialcut

SizingofthetibiacomponentwithoutoffsetCounterboreGuideBushingNeutralBushingFemaleTaperCourtesyRonnydeCorte

SizingofthetibiacomponentwithoffsetDeterminationofthetibialoffset2,4,6mmbyachievingmaximalAPandMLcoverage-ClockpositionCourtesyRonnydeCorte

Tibialoffsetreaming

Assemblingofthetibialco