RESPIRATORY SENSOR
    1.
    发明申请
    RESPIRATORY SENSOR 审中-公开
    呼吸传感器

    公开(公告)号:US20100175699A1

    公开(公告)日:2010-07-15

    申请号:US12595536

    申请日:2008-04-10

    IPC分类号: A61M16/00 A61B5/08 A61B5/02

    摘要: A sensor assembly for monitoring the respiration pattern of a subject is disclosed, the sensor comprising a sensor element for exposing to a gas stream exhaled by the subject comprising a first electrode, a second electrode and an active layer extending between the first and second electrodes to provide an electrical path therebetween, the sensor element being responsive to the concentration of water vapour in the gas stream exhaled by the subject, whereby the conductivity of the path between the electrodes varies in response to changes in the concentration of water vapour; a processor for determining the pattern of respiration of the subject; and means for displaying information relating to the determined respiration pattern to a user. The sensor assembly is particular suitable for measuring the respiration rate and/or depth of respiration of the subject. The sensor and method find particular application in the diagnosis and treatment of sleep apnea.

    摘要翻译: 公开了一种用于监测受试者的呼吸模式的传感器组件,该传感器包括用于暴露于受试者呼出的气流的传感器元件,包括第一电极,第二电极和在第一和第二电极之间延伸的有源层, 在它们之间提供电气路径,所述传感器元件响应受试者呼出的气流中的水蒸气的浓度,由此电极之间的路径的导电性响应于水蒸汽浓度的变化而变化; 用于确定所述对象的呼吸模式的处理器; 以及用于向用户显示与确定的呼吸模式相关的信息的装置。 传感器组件特别适于测量受试者的呼吸速率和/或呼吸深度。 传感器和方法在睡眠呼吸暂停的诊断和治疗中有特别的应用。

    Gas Sensor
    2.
    发明申请
    Gas Sensor 审中-公开
    气体传感器

    公开(公告)号:US20090272656A1

    公开(公告)日:2009-11-05

    申请号:US12446046

    申请日:2007-10-17

    IPC分类号: G01N27/26 G01N27/28

    摘要: A method for the determination of the carbon dioxide content of an exhaled gas stream is provided, the method comprising measuring the water vapour content of the exhaled gas stream, and determining the concentration of carbon dioxide in the exhaled gas stream from the measured water vapour content. A particular method comprises causing the gas stream to impinge on a sensing element comprising a working electrode and a counter electrode; applying an 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 water vapour in the gas stream. A sensor is also described.

    摘要翻译: 提供了一种用于确定呼出气体流的二氧化碳含量的方法,所述方法包括测量呼出气流的水蒸气含量,以及从测量的水蒸汽含量确定呼出气流中二氧化碳的浓度 。 一种特定的方法包括使气流冲击到包括工作电极和对电极的感测元件上; 在工作电极和对电极两端施加电位; 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; 并根据所测量的电流流量确定气流中水蒸气浓度的指示。 还描述了传感器。

    Electrochemical Sensor
    3.
    发明申请
    Electrochemical Sensor 审中-公开
    电化学传感器

    公开(公告)号:US20100133120A1

    公开(公告)日:2010-06-03

    申请号:US12531093

    申请日:2008-03-17

    IPC分类号: G01N27/26 G01N27/30

    CPC分类号: G01N33/497

    摘要: 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 ([CnMIM]), N-alkylpyridinium, tetraalkylammonium or tetraalkylphosphonium cations and an anion selected from hexafluorophosphate [PF6]; tetrafluoroborate [BF4]; trifluoromethylsulfonate [CF3SO3]; bis[(trifluoromethyl)sulfonyl]amide [(CF3SO2)2N]; trifluoroethanoate [CF3CO2]; acetate [CH3CO2]; 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.

    摘要翻译: 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。 离子液体可以包含选自1-烷基-3-甲基咪唑鎓([CnMIM]),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[PF6]的阴离子。 四氟硼酸盐[BF4]; 三氟甲磺酸盐[CF 3 SO 3]; 双[(三氟甲基)磺酰基]酰胺[(CF 3 SO 2)2 N]; 三氟乙酸盐[CF 3 CO 2]; 乙酸酯[CH3CO2]; 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。

    RESPIRATION MONITOR AND METHOD OF ITS OPERATION
    4.
    发明申请
    RESPIRATION MONITOR AND METHOD OF ITS OPERATION 审中-公开
    呼吸监视器及其操作方法

    公开(公告)号:US20090054798A1

    公开(公告)日:2009-02-26

    申请号:US11791387

    申请日:2005-11-22

    IPC分类号: A61B5/087 A61B5/08

    CPC分类号: A61B5/083

    摘要: 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 determining 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.

    摘要翻译: 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的二氧化碳,氧和一氧化氮的浓度; 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。

    Gas Sensor
    5.
    发明申请
    Gas Sensor 审中-公开
    气体传感器

    公开(公告)号:US20100050735A1

    公开(公告)日:2010-03-04

    申请号:US12374661

    申请日:2007-07-20

    IPC分类号: G01N33/497

    摘要: A sensor for sensing a target substance in a gas stream is provided, the sensor comprising: a sensing element disposed to be exposed to the gas stream, the sensing element comprising: a working electrode; a counter electrode; and a layer of ion exchange material extending between the working electrode and the counter electrode; whereby contact of the ion exchange layer with the gas stream forms an electrical contact between the working and counter electrodes.

    摘要翻译: 提供了一种用于感测气流中的目标物质的传感器,该传感器包括:设置成暴露于气流的感测元件,该感测元件包括:工作电极; 对电极 以及在工作电极和对电极之间延伸的一层离子交换材料; 由此离子交换层与气流的接触在工作电极和对电极之间形成电接触。

    METHOD OF MONITORING GAS COMPOSITION
    6.
    发明申请
    METHOD OF MONITORING GAS COMPOSITION 审中-公开
    监测气体组成的方法

    公开(公告)号:US20100264042A1

    公开(公告)日:2010-10-21

    申请号:US12740774

    申请日:2008-10-24

    IPC分类号: G01N33/497 G01N27/26

    摘要: A method of determining the general or a specific condition of a subject is disclosed, the method comprising measuring the concentration of each of a plurality of components in a single sample of the gas stream exhaled by the subject; and generating information regarding the concentration of each of the plurality of components such that the concentrations of the components are directly comparable. The method is particularly suitable for assessing the condition of the respiratory system of a subject. The method preferably employs electrochemical sensors to measure the concentration of the target components in the exhaled gas stream.

    摘要翻译: 公开了一种确定受试者的一般或特定条件的方法,所述方法包括测量由受试者呼出的气流的单个样品中的多个组分中的每一个的浓度; 并且产生关于多个组分中的每一个的浓度的信息,使得组分的浓度直接可比。 该方法特别适用于评估受试者呼吸系统的状况。 该方法优选采用电化学传感器来测量呼出气流中目标组分的浓度。

    Electrochemical gas detection apparatus and method comprising a permeable membrane and an aqueous electrolyte
    10.
    发明申请
    Electrochemical gas detection apparatus and method comprising a permeable membrane and an aqueous electrolyte 审中-公开
    电化学气体检测装置和方法,其包括可渗透膜和水性电解质

    公开(公告)号:US20050247574A1

    公开(公告)日:2005-11-10

    申请号:US11058084

    申请日:2004-12-09

    申请人: Mark Varney

    发明人: Mark Varney

    CPC分类号: G01N27/4162 G01N33/004

    摘要: A method for the electrochemical detection of carbon dioxide, which comprises causing at least a portion of the carbon dioxide to pass through a permeable membrane and dissolve in an aqueous electrolyte containing a metal ion and an organic ligand to form in situ in the electrolyte an equilibrium between the dissolved carbon dioxide species, the metal ion and the ligand concentrations and measuring the varying metal ion concentration and hence calculating the corresponding carbon dioxide concentration by means of measuring a current passing between electrodes present in the electrolyte. Also a gas detection apparatus comprising a housing, a gas permeable membrane, an aqueous electrolyte inside the housing with electrodes. The concentration of the gas is determined amperometrically.

    摘要翻译: 一种用于电化学检测二氧化碳的方法,其包括使至少一部分二氧化碳通过可渗透膜并溶解在含有金属离子和有机配体的含水电解质中以在电解质中原位形成平衡 在溶解的二氧化碳物质,金属离子和配体浓度之间,并测量不同的金属离子浓度,从而通过测量存在于电解质中的电极之间的电流来计算相应的二氧化碳浓度。 还有一种气体检测装置,其包括壳体,透气膜,壳体内的含有电极的水性电解质。 气体的浓度由电流计确定。