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1、英文摘要manyscholarsinstudyofit.Thistestusingprotrudedsustentaculumtalionthemedialofcalcaneustolocateexactlywithultrasoundtechnique,andproposenewmethodofplacingsustentaculumtailscrewexactly.Throughtheobservingthetrabecularboneofcalcaneusdensityarea,bonecortexandandtrabecularbonedensityareaofthesuste
2、ntaculumtalibysectionanatomyandmeasuretheangle&lengthofK-wirewhichwaspulledthroughthesustentaculumtalitothepointswhichofftenusedtoenterthescrewonlateralwallofthecalcaneus.Itisprovidedtheoreticalbasisforoperationandimproveoperationaccuracy.Methods:110adultlowerlimbsspecimenswerechosentobelocateds
3、ustentaculumtaliseparatelybyultrasound.Findthecenterofsustentaculumtali,percutaneousinjectK-wire,anatomyandverify.2Then40adultcalcaneusdriedspecimenswerechosen,thearticularsurfaceofthecalcaneusweredividedintotwoparts,Gissaneangleisconsideredaslowestpoint,andmarkedPointA(lowestpoint),PointB(midpo
4、int),PointC(highestpoint),andmakeverticallinealongPointA,B,CseparatelyandintersectedwithcalcaneusbottompointmarkedD,E,F.MeasurethecenterofsegmentADandmarkedPointG.MeasurequartilespointsofthesegmentCFandmarkedPointL,H,M.GHandBEisintersectedbyPointI.MeasurecenterofIBandIEandmarkedPointJ,K.ThenK-wi
5、rewerepulledthroughthesustentaculumtalicentertoPointJ,H,K,G,I,L,MoncalcaneuslateralwallandmakethedistancebetweenK-wireandsubtalarjointsurface/calcaneuslateralwallbottomareallmorethan5mm.ThenmeasuretheangleofK-wireandcoronalplane/horizontalplane(accurateto1°)andthelengthwhichcannotexceedsustentac
6、ulumtalilateralcortex(accurateto1mm).Recordtestdataandphoto.ThemeasurementresultswereregisteredandallofdatawereanalyzedbySPSS17.0statisticalsoftware.3Dissectwetspecimensandobservesurroundingstructureofsustentaculumtali.Makesectionanatomyofcalcaneusdryspecimensandobservetrabecularbonedensityareaa
7、ndstructure.4万方数据英文摘要Results:1Thelocationofsustentaculumtailofallthelowerlimbspecimensdetectedbyultrasoundcoincidewiththatofanatomyresultscompletely.2DataofeachpointmeasuredbyK-wirewhichwaspulledthroughthesustentaculumtalito
