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ID:33012732
大小:3.09 MB
页数:31页
时间:2019-02-19
《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》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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
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