Catheters, IndwellingCathetersGastrectomyCatheterizationCatheterization, Central VenousObesity, MorbidPulmonary VeinsBariatric SurgeryCentral Venous CathetersCardiac CathetersGastroplastyCatheterization, PeripheralUrinary CatheterizationPulmonary Surgical ProceduresEquipment DesignUrinary CathetersEquipment FailureSilicone ElastomersLaparoscopyProtective ClothingNeopreneTreatment OutcomeCatheter-Related InfectionsProtective AgentsGastric BypassWeight LossAcetanilidesBandagesTime FactorsAtrial FibrillationPneumonectomyManometryVena Cava, SuperiorBracesBronchial NeoplasmsForeign-Body MigrationHeart AtriaRespiratory Tract FistulaDogsProspective StudiesCardiac ElectrophysiologyCatheterization, Swan-GanzClothingKryptonCardiac CatheterizationJugular VeinsHeart Conduction SystemSubclavian VeinFluoroscopySubdural EffusionFollow-Up StudiesSuture TechniquesGastric BalloonPressureRetrospective StudiesAnti-Arrhythmia AgentsPeritonitisVascular Access DevicesPeritoneal DialysisModels, AnimalFeasibility StudiesBacteremiaArachnoidCarcinoma, BronchogenicEsophagogastric JunctionEquipment Failure AnalysisSpinal Nerve RootsAnastomosis, SurgicalSiliconesDisease Models, AnimalDuodenumProtective DevicesInfusion PumpsPeritoneal Dialysis, Continuous AmbulatoryBronchoscopyEsophagusAtrial FlutterConnective TissuePylorusBody Surface Potential MappingMice, Inbred C57BLEsophageal Sphincter, LowerMice, Inbred BALB CSurgical InstrumentsAnisolesCardiac Pacing, ArtificialTracheal NeoplasmsAnti-Infective Agents, LocalStomachMagnetic Resonance Imaging, InterventionalRenal DialysisStaphylococcus epidermidisElectrocardiographyRadiography, InterventionalPolyvinyl ChlorideSilver SulfadiazineBacterial InfectionsEye Protective DevicesSuctionRisk Factors