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用激光—光纤技术监测动脉血氧饱和度(英文).docx

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用激光—光纤技术监测动脉血氧饱和度(英文) Title:MonitoringArterialOxygenSaturationUsingLaser-FiberOpticTechnology Abstract: Arterialoxygensaturation(SpO2)monitoringplaysacrucialroleinvariousclinicalsettings,includinghospitalintensivecareunits,emergencyrooms,andhomecare.Accurateandreal-timemeasurementofSpO2canhelpdiagnoseandmanagevariouscardiopulmonaryconditions.Inthispaper,weexploretheuseoflaser-fiberoptictechnologyforSpO2measurement,highlightingitsadvantages,challenges,andfutureprospects. Introduction: Monitoringarterialoxygensaturationisessentialforassessingtheoxygen-carryingcapacityofbloodanddeterminingtheadequacyofrespiratoryandcirculatoryfunctions.Traditionally,pulseoximetersbasedonphotoplethysmographyhavebeenusedtomeasureSpO2.However,theymaysufferfromlimitationssuchasmotionartifacts,poorsignal-to-noiseratio,andinaccuratereadingsincertainpatientpopulations. Laser-fiberoptictechnologyhasemergedasapromisingalternativeforSpO2monitoring.Byutilizingtheuniquepropertiesoflaserlightandfiberoptics,thistechnologyoffersseveraladvantagesoverconventionalmethods.Thelaserprovidesafocusedandcoherentlightsource,whilefiberopticsensureefficientlighttransmissionandcollection.Combined,theyenableaccurateandreliablemeasurementofSpO2. PrinciplesofLaser-FiberOpticSpO2Measurement: Laser-fiberopticSpO2measurementisbasedontheprincipleofspectroscopy.Thelaserlightisemittedatmultiplewavelengths,whichcanbeabsorbedorscatteredbyoxygenatedanddeoxygenatedhemoglobininarterialblood.Byanalyzingthetransmittedorreflectedlightatthesedifferentwavelengths,therelativeconcentrationsofoxygenatedanddeoxygenatedhemoglobincanbedetermined,andtheSpO2levelcanbecalculated. AdvantagesofLaser-FiberOpticTechnology: 1.ImprovedAccuracy:Laserlightoffershigherprecisionandaccuracycomparedtoconventionallightsourcesusedintraditionalpulseoximeters.Itsnarrowspectralbandwidthenablesbetterdiscriminationbetweenoxygenatedanddeoxygenatedhemoglobin,resultinginmoreaccurateSpO2measurements. 2.ReducedMotionArtifacts:MotionartifactscansignificantlyaffectS