PuncturesSpinal PuncturePost-Dural Puncture HeadachePost and Core TechniqueNeedlesSepsisBlood Patch, EpiduralCecumAtrial SeptumHeadacheWounds, PenetratingFoot InjuriesLarynx, ArtificialLigationCatheterization, PeripheralDura MaterHemostatic TechniquesAnesthesia, SpinalMeningitisGloves, SurgicalCerebrospinal FluidFluoroscopyMeningitis, BacterialJugular VeinsAnesthesia, EpiduralUltrasonography, InterventionalTreatment OutcomeBlood Specimen CollectionAxillary VeinRadiography, InterventionalCerebrospinal Fluid PressureSpeech, AlaryngealCatheterizationCatheterization, Central VenousFemoral ArteryPeritonitisTime FactorsNeurosyphilisBloodlettingEpidural SpaceSeizures, FebrileAnesthesia, ObstetricalLaryngectomySubarachnoid HemorrhageMyelographyTooth, NonvitalProspective StudiesAnalgesia, EpiduralDisease Models, AnimalNeedlestick InjuriesSubarachnoid SpaceRetrospective StudiesProsthesis ImplantationMorganella morganiiPhlebotomyCardiac CatheterizationNerve BlockTomography, X-Ray ComputedAnalgesia, ObstetricalIatrogenic DiseaseIntracranial HypotensionGroinHeelNephrostomy, PercutaneousPseudotumor CerebriMeningitis, FungalHeart SeptumWounds, StabHematomaCisterna MagnaSubclavian VeinParaphimosisDental Prosthesis DesignCatheter AblationCerebrospinal Fluid ProteinsHydrocephalusInjections, SpinalFeasibility StudiesEquipment DesignTooth FracturesHemorrhageParacentesisCerebrospinal Fluid ShuntsIntracranial PressureInjections, EpiduralEquipment FailureWound Closure TechniquesCatheters, IndwellingAnesthetics, LocalAnthracosilicosisEmbolization, TherapeuticFollow-Up StudiesPostoperative ComplicationsHemostasis, SurgicalVeinsPregnancyMice, Inbred C57BLParesthesiaBiopsy, NeedleHeadache Disorders