Bone ScrewsDefibrillators, ImplantableFracture Fixation, InternalOsseointegrationBone and BonesFracture HealingX-Ray MicrotomographyBone RemodelingEquipment FailureBone DensityImplantable NeurostimulatorsSpinal FusionTachycardia, VentricularInternal FixatorsProstheses and ImplantsElectric CountershockBone ResorptionVentricular FibrillationDeath, Sudden, CardiacBone MarrowBone PlatesPacemaker, ArtificialEquipment DesignInfusion Pumps, ImplantableDevice RemovalBone NeoplasmsArrhythmias, CardiacBone DevelopmentBone Marrow CellsElectrodes, ImplantedEquipment SafetyBone DiseasesProsthesis ImplantationBone TransplantationEquipment Failure AnalysisThoracic VertebraeElectric InjuriesFractures, BoneTreatment OutcomeBone RegenerationSyncopeBone NailsLumbar VertebraeFluoroscopyAxisScoliosisCervical VertebraeFollow-Up StudiesSpinal DiseasesBone MatrixTelemetrySurgery, Computer-AssistedAnti-Arrhythmia AgentsBone Marrow TransplantationOrthopedic ProceduresBone SubstitutesRetrospective StudiesCadaverAmplifiers, ElectronicOrthopedic Fixation DevicesSacrumAmiodaroneElectric Power SuppliesCervical AtlasElectrocardiographyCardiac Pacing, ArtificialBone CementsSpinal FracturesAtlanto-Axial JointBiomechanical PhenomenaNeuronavigationFracture Fixation, IntramedullaryNeural ProsthesesTitaniumCardiac Resynchronization Therapy DevicesSpineRadio Frequency Identification DeviceFemurBone Diseases, MetabolicMaterials Testing