胫骨结节转移术对髌股关节接触压力影响的生物力学-研究

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1、英文摘要EffectofTibialTubercleTransferSurgeryonPatellofemoralPressure：aBiomechanicalStudyinHumanCadavericKneesABSTRACTObjective：Tibialtubercletransferisacommonlyusedoperationfororthopedicandsportstraumadiseaseinclinicalandappliestothepatientswithabnormaltibialtubercleposit

2、ion．Forpatientswithtibialtubercletransferoperation，oneofthemostimportantproblemisthelocationoftibialtubercle，withinthemovingdistanceisinsufficientorexcessiveallcannotachievethetreatmentfunction，andthescholarsalsodidnothaveaunifiedstandard．Thereforethisstudywilldiscusst

3、hepressurerelationshipbetweenthetibialtuberclepositionandpatellofemoraljointandfindthebesttibialtuberclepositionwhichcangettheequalpressurebetweenthemedialandlateralofthepatellofemoraljoint．Inclinical，theevaluationindexmainlyincludesQangleandTTTGdistance．Scholarsholddi

4、fferentpointsofviewfortheaccuracyandclinicalsignificanceofthesetwoevaluationstandard．Onthebasisofbiomechanicaltest，thisstudywilldiscusstheeAngleandTTTGdistanceindiagnosis，treatmentandprognosisofrecurrentpatellardislocationandtheclinicalsignificanceinthechoiceofoperatio

5、nscheme．Method：Eighthumancadaverickneeswereincludedinthisstudy．Therewasnoligamentdamage，apparentjointdeformityandosteoarthritisineverykneespecimen．Thefemurandtibiawerecutapproximately20cmfromthejointline．Thesurroundingskinandmuscleswereremovedtoexposethebones，andthefib

6、ulawasthenrigidlyfixedtothetibiawithacorticalscrew．Firstly，wemeasuretheTTTGdistance．Itisobtainedbysuperimposingcomputedtomography(CT)imagesofthesummitoftheTGcoronal(cutwherethefemoralnotchresemblesaromanarch)andtheTTinafullextendedknee．ThedeepestpointoftheTGandthehighe

7、stpointofthetibialtuberosityareprojectedperpendicularlyonthelinetangenttotheposteriorcondyles．ThedistancebetweenthesepointsiSdefinedastheTT-TG．Then4英文摘要fixedkneespecimens，thefemurisfixedtoanadjustablekneejointholder，the10werendofthetibiawasconnectedtocontrolkneeflexion

8、．Wedidthetibialtubercleosteotomy,andfixedthetibialtubercleatthepositionwhichtheT1广rGdistanceis0ramwithscrews，thenweme