Patents as TopicInventionsIntellectual PropertyCatheters, IndwellingAngiographyCathetersCoronary AngiographyHistory, 18th CenturyBiotechnologyMagnetic Resonance AngiographyCerebral AngiographyHistory, 17th CenturyHistory, 19th CenturyHistory, 20th CenturyAngiography, Digital SubtractionCatheterizationFluorescein AngiographyResearchEvolution, MolecularCatheterization, Central VenousTomography, X-Ray ComputedPhylogenyBiological EvolutionCatheterization, PeripheralCentral Venous CathetersContrast MediaCardiac CathetersIntracranial AneurysmUrinary CatheterizationRadionuclide AngiographySensitivity and SpecificityEquipment FailureImaging, Three-DimensionalCoronary Artery DiseaseTreatment OutcomeUrinary CathetersCoronary StenosisEquipment DesignProspective StudiesEmbolization, TherapeuticTomography, Spiral ComputedCardiac CatheterizationRetrospective StudiesCatheter-Related InfectionsIntracranial Arteriovenous MalformationsPredictive Value of TestsIopamidolCoronary VesselsFollow-Up StudiesStentsCarotid Artery, InternalUltrasonography, InterventionalTime FactorsFeasibility StudiesMultidetector Computed TomographyElectrocardiographyRadiography, InterventionalReproducibility of ResultsCoronary DiseaseVertebral ArteryConstriction, PathologicArterial Occlusive DiseasesFluoroscopyIohexolSubarachnoid HemorrhageRadiographic Image Interpretation, Computer-AssistedImage Processing, Computer-AssistedForeign-Body MigrationAneurysm, RupturedPulmonary VeinsIndocyanine GreenAngioplasty, Balloon, CoronaryArteriovenous FistulaJugular VeinsCentral Nervous System Vascular MalformationsVertebrobasilar InsufficiencyCarotid StenosisObserver VariationRadiographic Image EnhancementMyocardial InfarctionCatheterization, Swan-GanzRecurrenceCerebral VeinsCerebral ArteriesExtravasation of Diagnostic and Therapeutic MaterialsSeverity of Illness IndexMagnetic Resonance ImagingRisk FactorsVascular Access DevicesAortographyCircle of WillisVascular PatencyBlood Flow VelocityCarotid ArteriesAtrial FibrillationCollateral CirculationFundus OculiCarotid Artery DiseasesArteriovenous MalformationsAngina Pectoris