Daga Andrew Clay, Fluke Biomedical
Bayanan Edita: Wannan labarin, wanda aka rubuta a cikin 2015, ya ci gaba da kasancewa mafi yawan karantawa24×7shafin.Muna fatan zai iya samar muku da bayanan da kuke buƙata yayin da kuke gwada SpO2na'urori masu auna firikwensin.
Kulawa da SpO2, yawan adadin iskar oxygen a cikin jini, ya zama ma'auni na kula da marasa lafiya a fadin duniya.Kusan kowane mai saka idanu na majiyyaci yana da ginanniyar ginin ciki ko abin da aka makala don sa ido kan wannan muhimmiyar alamar.SPO2wata hanya ce ta kaikaice kuma mara ɓarna don auna saturation na iskar oxygen a cikin jini.Yakamata a gwada shi tare da duk sauran sigogin ilimin halittar jiki yayin kiyaye rigakafi ko gyarawa akan na'urar saka idanu mara lafiya, ko na'urar tsayayye.
Fasaha
SpO2ana auna shi a gefe, yawanci yatsa, kuma shine ma'auni ɗaya na lafiyar jijiyoyin jini da tsarin numfashi.A bugun jini oximeter ba tare da ɓarna ba yana auna ma'aunin iskar oxygen na jinin majiyyaci.Wannan na'urar ta ƙunshi ja da tushen haske na infrared, na'urorin gano hoto, da bincike don isar da haske ta hanyar gadon jijiya mai jujjuyawa, yawanci ɗan yatsa ko kunun kunne.Oxygenated haemoglobin (O2Hb) da deoxygenated haemoglobin (HHb) suna sha ja da hasken infrared daban.Ana iya ƙididdige yawan adadin haemoglobin a cikin jinin jijiya ta hanyar auna sauye-sauyen ɗaukar haske wanda ya haifar da bugun jini na jijiya.
Abubuwa iri-iri na iya shafar daidaiton SPO2aunawa, gami da yanayin fata, pigment, raunuka, tabo, jarfa, goge ƙusa, hypothermia, anemia, magani, tsangwama haske, da motsi.
SPO2ana auna ta ta amfani da firikwensin, yawanci haɗe da yatsan mara lafiya.Akwai hanyoyi guda biyu na SpO2fasaha: m da kuma tunani.Hanyar watsawa ita ce mafi yawan amfani da su biyu.Kamar yadda aka nuna a hoto na 1, fasahar watsawa tana watsa ja da hasken infrared ta cikin yatsa zuwa na'urar gano hoto.
Hoto 1: Fasaha mai watsawa, mafi yawan amfani da nau'in bugun jini na asibiti.Danna don ƙarawa.Sauran hanyar da ake amfani da ita don SPO2ya dogara da fasaha mai nunawa.Kamar yadda aka nuna a hoto na 2, wannan hanya tana da mai aikawa da mai karɓa a cikin jirgi ɗaya.Bayanin SPO2ana iya sanya na'urori masu auna firikwensin akan wasu wuraren jikin mutum fiye da yatsa, kamar goshi.
Hoto 2: Fasaha mai nunawa, madadin ma'auni masu watsawa.Danna don ƙara girma
Gwaji
Kowane mai kera na'urar pulse oximetry dole ne ya tantance daidaiton na'urarsu ta hanyar yin gwajin ɗan adam.Kamar yadda Dennis J. McMahon ya bayyana a cikin farar takarda, “Babu Wani Abu kamar SpO.2Simulator,1a cikin "binciken ɓacin rai mai sarrafawa, masu sa kai suna numfasawa jerin gaurayawar iskar gas na raguwar abun ciki na iskar oxygen yayin da aka haɗa su da na'urar duba samfur."Sannan ana ɗaukar samfuran jinin jijiya daga abubuwan da ake magana don auna jikewar iskar oxygen a cikin dakin gwaje-gwaje na asibiti.
Sakamakon wannan gwajin jadawali ne na wancan samfurin SPO2firikwensin da saka idanu.Ana kiran wannan jadawali azaman R-curve.Kamar yadda aka nuna a cikin Hoto na 3, R-curve yana kwatanta dangantaka tsakanin takamaiman rabo na ja da hasken infrared tare da jikewar iskar oxygen da aka gani kamar yadda aka tattara yayin gwajin ɗan adam.Ana amfani da R-curve a cikin firmware don takamaiman kayan aiki da kuma SPO2masu gwadawa.
Hoto 3: Misalin R-curve, mai daidaita jikewar O2 tare da ƙimar R.Danna don faɗaɗa Simulators, calibrators, da masu gwajin aiki don bugun jini oximeters an ayyana su a cikin ma'aunin ISO 80601-2-61.Ba kamar sauran nau'ikan na'urorin likitanci ba, ba a ƙirƙira na'urorin bugun jini don a daidaita su a wajen masana'anta.Babu hanyoyin da aka yarda da su don tabbatar da ingantacciyar ma'auni na pulse oximeter banda gwajin ɗan adam.Mafi yawan SpO2kayan gwaji a kasuwa suna cikin nau'in gwajin aiki.
A cewar Tobey Clarke a cikin littafinsaTabbacin Ingancin Kayan Aikin Likita, ya kamata a gwada masu lura da marasa lafiya da aiki aƙalla kowace shekara.2Yawancin masu gwajin aiki suna gwada SPO2firikwensin gani.Wannan yana ba da damar gwajin firikwensin, kebul, da saka idanu.Wasu masu gwajin aiki suna shigar da sigina kai tsaye zuwa mai duba, gwada mai duba kawai.Wasu na iya gwada kebul don ci gaba.Yawancin masu gwajin aiki kawai suna gwada fasahohin watsawa, ba waiwaye ba.
Tsarin aiki na yau da kullun don gwada mai saka idanu mara lafiya ko SPO mai tsaye2saka idanu ya haɗa da duba yanayin jiki, yin gwaje-gwajen amincin lantarki, yin duk wani gyare-gyaren rigakafin da masana'anta suka ba da shawarar, gudanar da gwajin aiki (ciki har da ƙararrawa da wasu takamaiman gwaje-gwaje), kuma, a ƙarshe, rubuta sakamakon gwajin.
Andrew Clay manajan tallan samfur ne na Fluke Biomedical, Everett, Wash. An daidaita wannan labarin daga farar takarda ta Fluke Biomedical.
Magana
1. McMahon DJ.Babu wani abu kamar SPO2na'urar kwaikwayo.Everett, Wanke: Fluke Biomedical;2013. Akwai ahttp://www.flukebiomedical.com/Biomedical/usen/Events/Promos/sp02-whitepaper-SOC.An shiga Janairu 15, 2015.
2. Clark JT, Lane M, Rafuse L.Tabbacin Ingancin Kayan Aikin Likita: Ci gaban Shirin Dubawa da Tsari.Everett, Wanke: Fluke Biomedical;2008:123.
Lokacin aikawa: Mayu-14-2020