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    • 4. 发明授权
    • Optical method and apparatus for measuring carbon monoxide in
non-hemolyzed blood
    • 用于测量非溶血血中一氧化碳的光学方法和装置
    • US6084661A
    • 2000-07-04
    • US74186
    • 1998-05-07
    • Yitzhak MendelsonKaren Mendelson
    • Yitzhak MendelsonKaren Mendelson
    • G01N21/31G01N33/49G01N33/48
    • G01N21/314G01N33/4925G01N2021/3148
    • Carbon Monoxide (CO) is a colorless, tasteless, and odorless gas which causes asphyxiation by combining with a strong affinity to blood hemoglobin. Unless a patient is quickly identified as having CO poisoning, the patient could face severe medical consequences including death.This patent describes a reagentless optical method for measuring carboxyhemoglobin (HbCO) in a whole undiluted blood sample that can be obtained from a fingerstick. A battery-operated triple wavelength device measures light transmission at frequencies of 548 nm, 810 nm and 950 nm through a 40 .mu.L sample of undiluted whole blood placed in standard disposable glass capillary tube. Having a portable point-of-care device, for uses by paramedics during an emergency situation, in the emergency room, or in a physician's office, can provide accurate immediate confirmation of CO poisoning.
    • 一氧化碳(CO)是一种无色,无味,无味的气体,通过结合对血液血红蛋白的强亲和力引起窒息。 除非患者被快速识别为患有CO中毒,否则患者可能会面临严重的医疗后果,包括死亡。 该专利描述了可以从指纹获得的全部未稀释血液样品中的测量碳氧血红蛋白(HbCO)的无试剂光学方法。 电池供电的三重波长装置通过放置在标准一次性玻璃毛细管中的40μL未稀释全血样品测量548nm,810nm和950nm频率的光透射。 在紧急情况下,在急诊室或医生办公室内设有便携式点护理装置,由医护人员使用,可以准确地立即确认CO中毒。