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Novel three-dimensional nerve tissue engineering scaffolds and its biocompatibility with Schwann cells

简介：
标签：雪旺氏细胞培养组织工程支架生物相容性三维支架坐骨神经共聚物支架

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Biomechanical effect of vertebroplasty on the adjacent intervertebral levels using a three.dimensional finite element analysis

简介：
标签：生物医学椎骨有限元分析计算机控制断层扫描术

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Application of navigation template to fixation of sacral fracture using three-dimensional reconstruction and reverse engineering technique

简介：
标签：逆向工程技术模板设计精确导航三维重建骨折应用

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Change and clinical significance of cerebral blood flow after concussion of brain detected with three-dimensional transcranial Doppler

简介：FromApril1995toOctober1999,135patientswithconcussionofbrainwereexaminedwiththreedimensionaltranscranialDoppler(3D-TCD)andthechangeofcerebralbloodflowinvariousphaseswasanalyzedtoevaluatetheeffectof3D-TCDondiagnosisandtherapyofbrainconcussion.
标签：脑血流脑震荡三维-多普勒超声影像学诊断临床意义

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Stress changes of lateral collateral ligament at different knee flexion with or without displaced movements： a 3- dimensional finite element analysis

作者： ZHONG Yan-lin;WANG You;WANG Hai-peng;RONG Ke;XIE Le
学科：医药卫生 > 临床医学
创建时间：2011-02-12
出处：《中华创伤杂志：英文版》 2011年第2期

简介：目的将创造膝系带并且到压力在不同的膝屈曲侧面的并行的系带(LCL)改变与或没有代替的运动的分析的有限元素模型调节的3-dimensional。four-major-ligament从一个成年人包含了膝标本的方法死于颅骨损害为与精确预先标记的可检测的系带插入脚印，地点和取向扫描的CT作好准备。扫描图象的CT与3-dimensional重建技术被变换成膝的一个3-dimensional模型并且由ANSYS的软件转变了成有限元素模型。模型用另外的科学家获得的试验性、数字的结果被验证。在五个不同的膝屈曲角度的LCL的自然压力变化(0
标签：三维有限元分析应力变化膝关节韧带运动屈曲

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Multi-slice spiral CT 3-dimensional reconstruction tech-nique to treat multi-segmental degenerative spinal steno-sis with traumatic instability of lower cervical spine

作者：
学科：医药卫生 > 临床医学
创建时间：2009-01-11
出处：《中华创伤杂志：英文版》 2009年第1期

简介：Objective:Tostudythefeasibilityofmulti-slicespiralcomputedtomography(MSCT)3-dimensionalreconstruc-tiontechniqueinassistingcervicalpediclescrewfixation(PSF)anddouble-doorlaminoplastytotreatmulti-segmen-taldegenerativespinalstenosiswithtraumaticinstability(MDSTI)oflowercervicalspine.Methods:FromSeptember2006toAugust2007,PSFcombinedwithdouble-doorlaminoplastywasperformedin9patientswithMDSTIoflowercervicalspine.MSCT3-dimensionalreconstructiontechniques,includingvolumerendering(VR)andmulti-planarreconstruction(MPR),wereusedtoassistpreoperativediagnosisandmeasurementtoguidetheprocedure.MPRwasperformedafteroperation.Incoronalview,thedegreeofscrewperforationwasmea-suredpreciselyandthedifferentpositionsofpediclescrewsweredividedintothreegradesaccordingtoRichter'smethod.Inaxialview,thecanalsagittaldiameterandtrans-verseareaofeverylaminoplastylevelweremeasured.Results:NinepatientswithMDSTIoflowercervicalspineunderwentPSF(total44screws).AccordingtotheclassificationofRichter,72.7%(32/44)wasinGrade1and27.3%(12/44)wasinGrade2.NoscrewperforationoccurredinGrade3andnoscrewrevisionwasdoneformisplacement.Noiatrogenicdamagewasobserved.Double-doorlaminoplastywasperformedintotal42volumes.Thepost-operativesagittaldiameterandtransverseareaofcervicalspinalcanalweresignificantlyincreased(P<0.05).Theconfi-denceintervalsofmeanincreasedratiowere23.43%-40.65%insagittaldiameterand23.18%-42.07%intransversearea.Sixmonthsafterlaminoplasty,basedonMSCTaxialview,completeunionbetween"opendoor"andallograftbonewasobtainedin76.19%ofvolumes(32/42),andallograftbonewasabsorbedpartlyin23.81%(10/42).Asolidunioninbilateralgutterswasachievedinallcases.Theywerefollowedupfrom6monthsto1year(mean7.8months).Post-operativeneuralfunctionrecoveryintwocasesimproved2ASIAgrade,5casesi
标签： Cervical vertebrae Spinal stenosis Tomography spiral computed Surgial fixation devices

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