钩钢板侧块螺钉内固定在治疗寰枢椎脱位中的应用

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1、山东大学硕士学位论文TheClinicalApplicationOfHookPlateLateralMassScrewFixationInAtlantoaxialDislocationPostgraduateChenYiMajorOthopedicsSurgery，nltorProf．LiMuAbstractobjective：Thesurgerytherapyofatlantoaxialdislocationisadifficultprobleminspinalsurgery．Theseyears，

2、therearemanyinternalfixationmethordsinatlantoaxialdislocationandtheMag甜trans—articularscrewfixationisthebestforits1lighbonyfusion．ButtheMag甜trans—articularscrewfixationhasmanydifficultyinoperation，weneedexperiencedandthereisstillahighspinalcordandverteb

3、ralarteryinjury．Weprobeintotheapplicationofhookplatelateralmassscrewfixationinatlantoaxialdislocationbymeasureofatlantoaxisandtheclinicalusing．Methods：1．MeasurerelativeanatomicparametersofatlantoaxialstructuresofcompletedryChineseadults’atlanto-odontoid

4、specimensbyverniercaliperandprotractor．Theparametersincludingmedialsemi-distanceofatlasposteriorarch，lateralsemi-distanceofatlasposteriorarch，thicknessofatlasposteriorarch，heightofaxispedicle,widthofaxispedicle，uppertiltingofaxispedicle，leaningangleofax

5、ispedicle，transversediameterofaxissuperiorarticularsurface，sagittaldiameterofaxissuperiorarticularsurface，extraversionangleofaxissuperiorarticularsurface，indentationofvertebralarteryinaxissuperiorarticularsurface．Weavoidinjurythespinalcordandvertebralar

6、terybyapplythesedatainclinicaltherapy．2．Byfollow-up9caseofatlantoaxialdislocationpatientsfo7-95monthswhohavebeingusedhookplatelateralmassscrewfixationfortherapy,westudyontheoperationmode，attentionproblemsandclinicaleffectofllookplatelateralmassscrewfixa

7、tion．Results：1．Measurementresultsshowedthatmedialsemi．distanceofatlasposteriorarch：(11．5±2．6)mm，lateralsemi-distanceofatlasposteriorarch：3山东大学硕士学位论文(19．6±4．4)nl／n，thicknessofatlasposteriorarch：(19．6±4．4)nlin，heightofaxispedicle：(8．5±0．7)ram，widthofaxisp

8、edicle：(7．5±1．2)mm，uppertiltingofaxispedicle：(42．3±5．4)oleaningangleofaxispedicle：(9．0±6．5)Otransversediameterofaxissuperiorarticularsurface；(17．8±0．8)mm，sagittaldiameterofaxissuperiorarticularsurface：(19．2±1．3)ram，extraversionan