全内置式可膨胀型脊柱前路内固定系统的研制与基础分析

《全内置式可膨胀型脊柱前路内固定系统的研制与基础分析》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、硕士学位论文膨胀组与未膨胀组之间无显著差异(P：0．159)；膨胀组与普通螺钉组之间有显著差异(P=0．005)。结论全内置可膨胀型胸腰椎前路内固定螺钉能够满足胸腰椎术后的对螺钉内固定的要求，但设计上仍需进一步改进，避免断钉，进一步增加把持力。关键词胸腰椎；前路；可膨胀型；全内置；内固定；生物力学；研制V硕士学位论文Thedesignandexperimentalresearchofthebuilt-inexpansiveanteriorinternalm一●JtixationSVStemName：XuYanfangSupervisor：P

2、rof．ZhouChusongABSTRACTSpinalanteriorinternalfixationiswidelyusedinspinaltrauma,degeneration，tumors，infections，ere，whichweredonespinalcorddecompression，debridement，inordertoreconstructtheanatomicalstructure，maintainthestabilityandcorrectthedeformityofthespine．Earlyanterior

3、fixationswereofthepoorbiomechanicalproperties，irrationalstructureandoperationaldifficulties，andSOon．Inrecentyears，thoracicandlumbaranteriorimplantshaveachievedrapiddevelopment．They,whichCanwithstandnormalspinebiomechanicsload，aremovinginforthebody'snormalanatomicalstructur

4、es，goodbiocompatibilityandlittleimpactofimaging．Anteriorinternalfixationforthethoracicandlumbarspine，isbroadlydividedintothreecategories：oneisthescrew-rodsystem，asrepresentedbyKaneda；oneisthescrew-platesystem，astherepresentativeofZ-plate；anotheroneisthescrewsystem，asrepres

5、entedbytheMACS-HMA．Butnoneofthescrew—rodsystem，screw-platesystemorscrewsystemCanmeettheclinicalneeds．Inviewofthis，wedevelopedafullbuilt-ininflatableanteriorspinalfixationsystem，inordertosafely,effectivelyandeasilytocarryouttheanteriorSurgeryofthoracicandlumbarspine，butalso

6、toreducepostoperativecomplications．Atthesametime，throughindependentresearchanddevelopment，thebuilt—inexpansiveanteriorinternalfixationsystemtomakehomemade，tryalarge-scaleclinicalapplication，effectivelyreducingthecostofABSTRACTtreatmentofpatieIlts，andcreateobjectiveeconomic

7、andsocialbenefits．PartIAnatomicbasisofthebuilt-inexpansiveanteriorinternalfixationsystemObjectiveToexploreanatomicfeaturesofT1·L5vertebrae，andprovideparametersforthedevelopmentoftheneotypebuilt-inanteriorintemalfixationwithinflationfunctionforthoracolumbarvertebralbody．Met

8、hods50setsofdrythoracolumbarspecimens(T1一LS)wereusedinthisstudy．Nomarkeddeformation,defec