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    • 61. 发明授权
    • Disposable airway adapter
    • 一次性气道适配器
    • US5067492A
    • 1991-11-26
    • US564179
    • 1990-08-07
    • Mark YeldermanDaniel S. GoldbergerJames R. Braig
    • Mark YeldermanDaniel S. GoldbergerJames R. Braig
    • A61B5/08A61B5/083A61B5/097
    • A61B5/0836A61B5/097
    • A disposable endotracheal airway adapter for use in proximity of a patient's mouth in the measurement of the concentraton of respiratory gases. The disposable airway adapter of the invention provides a conduit for patient respiratory gases and allows the passage of infrared radiation through the gases for measuring the constituent concentration of the respiratory gases while keeping the patient gases from coming in contact with the analyzer mechanism. The body of the airway adapter is designed to connect in series with the airway tubing which connects a patient to a mechanical respirator or anesthesia breathing circuit. The body of the airway adapter is very light in weight and is formed of inexpensive material such as polyethylene or polypropylene so that it may be manufactured inexpensively and discarded after each use. An inexpensive optical window in the adapter is also formed of material such as polyethylene or polypropylene so that the gas analyzer can pass light into the sample for analysis. Preferably, the optical windows of the invention are made of the same material as the adapter body. Since the adapter of the invention may be disposed of after use on a single patient, sterilization expenses and cross-contamination may be minimized. Also, calibrating integrity is maintained through a calibration process which accounts for the non-linearity of the absorption spectra of the window material in the region of interest.
    • 用于测量呼吸气体浓度的患者口腔附近的一次性气管插管气道适配器。 本发明的一次性气道适配器提供用于患者呼吸气体的导管,并允许红外辐射通过气体,用于测量呼吸气体的组成浓度,同时保持患者气体不与分析器机构接触。 气道适配器的主体设计成与将患者连接到机械呼吸器或麻醉呼吸回路的气道管串联连接。 气道适配器的主体重量非常轻,并且由诸如聚乙烯或聚丙烯的廉价材料形成,使得可以在每次使用后廉价地制造和丢弃。 适配器中的廉价的光学窗口也由诸如聚乙烯或聚丙烯的材料形成,使得气体分析仪可以将光通过样品进行分析。 优选地,本发明的光学窗口由与适配器主体相同的材料制成。 由于本发明的适配器可以在使用后在单个患者身上处理,因此可以使灭菌费用和交叉污染最小化。 此外,校准完整性通过考虑到感兴趣区域中窗口材料的吸收光谱的非线性的校准过程来维持。
    • 62. 发明授权
    • Water separator
    • 水分离器
    • US4600412A
    • 1986-07-15
    • US659097
    • 1984-10-09
    • Max D. ListonJames R. BraigWayne BlackburnPaul Hsei
    • Max D. ListonJames R. BraigWayne BlackburnPaul Hsei
    • G01N30/14B01D45/00
    • G01N30/14
    • A water separator adapted for use in a gas monitor includes a gas inlet port, a gas outlet port, a two-stage gas/water separator section, and a fluid reservoir. The two-stage gas/water separator section includes a first portion defining a first chamber which communicates with the gas inlet and gas outlet ports via a connecting conduit, a second portion defining a second chamber which communicates with the first chamber and the fluid reservoir, and an intermediate portion interposed between the first and second portions and defining a constricted passage between the first and second chambers. The second chamber has a frusto-conical shape in longitudinal cross section.
    • 适用于气体监测器的水分离器包括气体入口,气体出口,两级气/水分离器部分和流体储存器。 两级气/水分离器部分包括限定通过连接导管与气体入口和气体出口连通的第一腔室的第一部分,限定与第一腔室和流体容器连通的第二腔室的第二部分, 以及介于所述第一和第二部分之间并且限定所述第一和第二腔室之间的收缩通道的中间部分。 第二腔室具有纵截面的截头圆锥形状。
    • 63. 发明授权
    • Infrared gas analyzer using count quadrature sampling
    • 红外气体分析仪采用计数正交采样
    • US4586026A
    • 1986-04-29
    • US549411
    • 1983-11-07
    • James R. BraigMax D. Liston
    • James R. BraigMax D. Liston
    • G01N21/25G01N21/35
    • H03M1/48G01N21/256G01N21/3504
    • The percentage gas concentration within a sample as measured in a conventional optical bench is derived from the composite signal of the reference beam and sample beam transmitted through a sample cell in the optical bench. The primary source, which generates the reference beam and the secondary source which generates the sample beam are driven ninety degrees out of phase. The composite signal derived from the detector in the optical bench is digitized and then integrated according to the quadrature of the primary component of the composite signal derived from the reference beam, and is also integrated according to the quadrature of the secondary component of the composite signal derived from the sample beam. What is obtained is the integral of the absolute value of the secondary component and the integral of the absolute value of the primary component of the composite signal over one cycle of the reference beam and sample beam. The ratio of these component signals is computed to obtain a signal which is related to the percentage concentration of reference gas contained within the sample.
    • 在常规光学平台中测量的样品中的气体浓度百分比是从参考光束和通过光学平台中的样品池传输的样品光束的复合信号导出的。 产生参考光束的主光源和产生采样光束的次光源相位驱动九十度。 从光台上的检测器导出的复合信号被数字化,然后根据从参考光束导出的复合信号的主分量的正交积分,并且还根据复合信号的次分量的正交积分 源自样品束。 获得的是二次分量的绝对值的积分和复合信号的主要分量的绝对值的积分在参考光束和样本光束的一个周期上。 计算这些分量信号的比率以获得与样品中包含的参考气体的浓度百分比相关的信号。
    • 64. 发明授权
    • Fluid handling cassette system for body fluid analyzer
    • 流体处理盒系统用于体液分析仪
    • US09561001B2
    • 2017-02-07
    • US12986112
    • 2011-01-06
    • Richard KeenanJeff ChiouJennifer GableKen LiRoger TongMike RecknorJames R. Braig
    • Richard KeenanJeff ChiouJennifer GableKen LiRoger TongMike RecknorJames R. Braig
    • G01N33/50A61B5/157
    • A61B5/157G01N33/50
    • A fluid handling system for use in bodily fluid analysis. The system comprises a first fluid handling module configured to interface with a main instrument. The first fluid handling module has a first fluid handling network and the first fluid handling network includes an infusate passage and an infusion fluid pressure member suitable for moving fluid within the infusate passage. The fluid handling system also has a second fluid handling module separate from the first module which is configured to interface with the main instrument. The second fluid handling module has a second fluid handling network and at least one sample analysis cell which is accessible via the second fluid handling network. The first and second modules are configured to interconnect and provide fluid communication between the first and second fluid handling network and the sample cells.
    • 用于体液分析的流体处理系统。 该系统包括被配置为与主仪器接口的第一流体处理模块。 第一流体处理模块具有第一流体处理网络,并且第一流体处理网络包括适于在输注通道内移动流体的输注通道和输液流体压力构件。 流体处理系统还具有与第一模块分离的第二流体处理模块,第一模块被配置为与主仪器相接触。 第二流体处理模块具有第二流体处理网络和可经由第二流体处理网络访问的至少一个样品分析单元。 第一和第二模块被配置为在第一和第二流体处理网络和样品池之间互连并提供流体连通。