Ka'idar aiki na oximeter na ƙusa: ta hanyar tuƙi jajayen LED (660nm) da infrared LED (910nm), layin shuɗi yana nuna alamar shigar da bututun karɓa zuwa raguwar haemoglobin lokacin da haemoglobin baya ɗaukar kwayoyin oxygen.
Ana iya ganin cewa rage yawan haemoglobin zuwa 660nm ja haske yana da ƙarfi sosai, yayin da tsayin hasken infrared na 910nm yana da rauni.Layin ja yana nuna alamar shigar da oxyhemoglobin lokacin da bututu mai karɓa yana da haemoglobin da jajayen ƙwayoyin jini tare da kwayoyin oxygen.Rashin jan haske a 660nm yana da rauni sosai, kuma ɗaukar hasken infrared a 910 nm yana da ƙarfi.A cikin ma'aunin iskar oxygen na jini, bambanci tsakanin raguwar haemoglobin da haemoglobin oxygenated ta hanyar gano bambanci tsakanin nau'ikan nau'ikan haske guda biyu a tsayi daban-daban shine mafi mahimman bayanai don auna ma'aunin iskar oxygen na jini.A cikin gwajin iskar oxygen na jini, 660nm da 910nm sune tsayin daka na yau da kullun.A haƙiƙa, don cimma daidaito mafi girma, ban da tsayin raƙuman ruwa biyu, har zuwa tsayin raƙuman ruwa 8, babban dalili shine cewa haemoglobin ɗan adam ba a rage shi kawai zuwa haemoglobin ba.Baya ga oxyhemoglobin, akwai wasu haemoglobins, sau da yawa muna ganin carboxyhemoglobin,
Lokacin aikawa: Juni-15-2022