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    • 4. 发明申请
    • RESPIRATION MONITOR AND METHOD OF ITS OPERATION
    • 呼吸监视器及其操作方法
    • WO2006054114A1
    • 2006-05-26
    • PCT/GB2005/004495
    • 2005-11-22
    • ASTHMA ALERT LIMITEDVARNEY, MarkWILLIAMS, DerykGARRETT, Michael
    • VARNEY, MarkWILLIAMS, DerykGARRETT, Michael
    • A61B5/083
    • A61B5/083
    • An apparatus for monitoring the respiration of a subject, the apparatus comprises means for detecting the concentration of each of oxygen, carbon dioxide and nitric oxide in an inspired and/or exhaled gaseous stream of a subject; and a display for displaying the concentration of each of oxygen, carbon dioxide and nitric oxide. A method for monitoring the respiration of a subject comprises analysing the composition of the inspired and/or exhaled gas of the subject and determing the concentration of carbon dioxide, oxygen and nitric oxide in the gas; and displaying the results of the analysis on a display to provide an indication of the respiratory state of the subject. A method of determining the extent of resuscitation of a patient comprises measuring the concentration of carbon dioxide, oxygen and nitric oxide in the inspired gas stream and/or exhaled gas stream of the subject.
    • 一种用于监测受试者的呼吸的装置,该装置包括用于检测受试者的启发和/或呼出的气流中的氧气,二氧化碳和一氧化氮中的每一种的浓度的装置; 以及显示用于显示氧气,二氧化碳和一氧化氮中的每一种的浓度的显示器。 用于监测受试者的呼吸的方法包括分析受试者的启发和/或呼出气体的组成并确定气体中二氧化碳,氧气和一氧化氮的浓度; 并在显示器上显示分析结果,以提供对象的呼吸状态的指示。 确定患者复苏程度的方法包括测量受试者的吸入气流和/或呼出气流中二氧化碳,氧气和一氧化氮的浓度。
    • 9. 发明申请
    • ELECTROCHEMICAL SENSOR
    • 电化学传感器
    • WO2008110830A1
    • 2008-09-18
    • PCT/GB2008/000951
    • 2008-03-17
    • ANAXSYS TECHNOLOGY LTDVARNEY, MarkGARRETT, MichaelWILLIAMS, DerykMARKEN, Francis
    • VARNEY, MarkGARRETT, MichaelWILLIAMS, DerykMARKEN, Francis
    • G01N27/416G01N27/48
    • G01N33/497
    • An electrochemical sensor (40) is provided, the sensor comprising a working electrode (44); a counter electrode (46); and an ionic liquid medium extending between the working electrode and the counter electrode, the ionic liquid medium comprising an ionic liquid retained in a support material. The ionic liquid may comprise a cation selected from 1-alkyl-3-methylimidazolium ([C n MIM]), N-alkytpyridinium, tetraalkylammonium or tetraalkylphosphonium cations and an anion selected from hexafluorophosphate [PF 6 ]; tetrafluoroborate [BF4]; trifluoromethylsulfonate [CF 3 SO 3 ]; bis[(trifluoromethyl) sulfonyl]amide [(CF 3 SO 2 ) 2 N]; trifluoroethanoate [CF 3 CO 2 ]; acetate [CH 3 CO 2 ]; nitrate, and halides, including fluoride [F]1 chloride [Cl], and bromide [Br]. The sensor is particularly useful in the detection of gaseous components in the exhaled breath of a subject and for use in monitoring the lung function of the subject, for example to identify the onset of asthma and/or COPD.
    • 提供一种电化学传感器(40),该传感器包括工作电极(44); 对电极(46); 以及在工作电极和对电极之间延伸的离子液体介质,离子液体介质包含保留在支撑材料中的离子液体。 离子液体可以包括选自1-烷基-3-甲基咪唑鎓([C n N n MIM]),N-烷基吡啶鎓,四烷基铵或四烷基鏻阳离子的阳离子和选自六氟磷酸盐[ 6 ]; 四氟硼酸盐[BF4]; 三氟甲基磺酸盐[CF 3 SO 3 3]; 双[(三氟甲基)磺酰基]酰胺[(CF 3)2 SO 2)2 N]; 三氟乙酸酯[CF 3 CO 2]; 乙酸酯[CH 3 CO 2 CO 2]; 硝酸盐和卤化物,包括氟化物[F] 1氯化物[Cl]和溴化物[Br]。 传感器特别可用于检测受试者的呼出气中的气体组分并用于监测受试者的肺功能,例如用于鉴定哮喘和/或COPD的发作。
    • 10. 发明申请
    • GAS SENSOR
    • 气体传感器
    • WO2007080381A1
    • 2007-07-19
    • PCT/GB2007/000036
    • 2007-01-09
    • ANAXSYS TECHNOLOGY LIMITEDVARNEY, MarkLINDSELL, Alexandra
    • VARNEY, MarkLINDSELL, Alexandra
    • G01N27/04G01N27/49G01N33/497
    • G01N27/048G01N27/4045G01N33/004G01N33/006G01N33/497
    • A sensor for detecting a target substance, in particular carbon dioxide and/or water, in a gas stream comprises a sensing element disposed to be exposed to the gas stream, the sensing element comprising a working electrode; and a counter electrode; whereby the gas stream may be caused to impinge directly upon at least a portion of both the working electrode and the counter electrode. A method of sensing a target substance in a gas stream comprises causing the gas stream comprising water vapour to impinge upon at least a portion of both a working electrode and a counter electrode; applying a electric potential across the working electrode and counter electrode; measuring the current flowing between the working electrode and counter electrode as a result of the applied potential; and determining from the measured current flow an indication of the concentration of the target substance. The sensor and method are particularly suitable for analyzing tidal carbon dioxide concentrations and humidity in the exhaled breath of a person, to diagnose and/or monitor a variety of respiratory conditions. The sensor design is particularly useful for applications requiring fast response times, e.g. personal respiratory monitoring of tidal breathing (“capnography”).
    • 用于在气流中检测目标物质,特别是二氧化碳和/或水的传感器包括设置为暴露于气流的感测元件,感测元件包括工作电极; 和对电极; 由此气流可以直接撞击工作电极和对电极的至少一部分。 感测气流中的目标物质的方法包括使包含水蒸气的气流撞击工作电极和对电极的至少一部分; 在工作电极和对电极上施加电位; 测量作为施加电位的结果在工作电极和对电极之间流动的电流; 并从所测量的电流确定目标物质的浓度的指示。 传感器和方法特别适用于分析人呼出气中的潮气二氧化碳浓度和湿度,诊断和/或监测各种呼吸状况。 传感器设计对于需要快速响应时间的应用尤其有用。 潮气呼吸的个人呼吸监测(“二氧化碳监测”)。