Catheter ObstructionCatheters, IndwellingEquipment FailureCathetersIntestinal ObstructionAirway ObstructionUreteral ObstructionVentriculoperitoneal ShuntCatheterizationCatheterization, Central VenousCerebrospinal Fluid ShuntsDuodenal ObstructionHydrocephalusUrethral ObstructionUrinary Bladder Neck ObstructionEquipment DesignNasal ObstructionGastric Outlet ObstructionPacemaker, ArtificialForeign-Body MigrationVentricular Outflow ObstructionDevice RemovalCentral Venous CathetersUrinary CatheterizationCatheterization, PeripheralCardiac CathetersMaintenanceTreatment OutcomeLacrimal Duct ObstructionUrinary CathetersTime FactorsRetrospective StudiesEquipment Failure AnalysisPeritoneal DialysisDefibrillators, ImplantableEquipment and SuppliesEquipment SafetyCatheter-Related InfectionsFollow-Up Studies