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Yuav ua li cas lub oximeter ua haujlwm

Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm tus ntsia thawv oximeter: los ntawm kev tsav tsheb liab LED (660nm) thiab ib qho infrared LED (910nm), txoj kab xiav qhia txog qhov induction nkhaus ntawm lub raj xa mus rau qhov txo hemoglobin thaum lub hemoglobin tsis nqa oxygen molecules.

4444 ibNws tuaj yeem pom tau tias qhov nqus ntawm hemoglobin txo qis rau 660nm lub teeb liab yog qhov muaj zog, thaum qhov nqus ntev ntawm 910nm infrared lub teeb yog qhov tsis muaj zog.Cov kab liab qhia txog qhov nkhaus induction ntawm oxyhemoglobin thaum lub raj tau txais hemoglobin thiab cov qe ntshav liab nrog cov pa oxygen molecules.Kev nqus ntawm lub teeb liab ntawm 660 nm yog qhov tsis muaj zog, thiab qhov nqus ntawm lub teeb infrared ntawm 910 nm yog qhov muaj zog heev.Hauv kev ntsuas ntshav oxygen, qhov sib txawv ntawm qhov txo qis hemoglobin thiab oxygenated hemoglobin los ntawm kev txheeb xyuas qhov sib txawv ntawm ob hom kev nqus ntawm lub teeb ntawm qhov sib txawv wavelengths yog cov ntaub ntawv yooj yim tshaj plaws rau kev ntsuas ntshav oxygen saturation.Hauv kev kuaj ntshav oxygen, 660nm thiab 910nm yog ob lub wavelengths tshaj plaws.Qhov tseeb, kom ua tiav qhov tseeb dua, ntxiv rau ob lub wavelengths, txawm tias mus txog 8 wavelengths, lub ntsiab yog vim li cas tib neeg hemoglobin tsis tsuas yog txo qis rau hemoglobin.Ntxiv nrog rau oxyhemoglobin, muaj lwm yam hemoglobin, peb feem ntau pom carboxyhemoglobin,


Post lub sij hawm: Jun-15-2022