公开(公告)号：US07132657B2

公开(公告)日：2006-11-07

申请号：US10774910

申请日：2004-02-09

Applicant: Patrick G. Smith

Inventor： Patrick G. Smith

IPC: G01J5/02 ,  G01N21/35 ,  G01N21/61

CPC classification number: G01N21/85 ,  G01N21/3504 ,  G01N2021/3129 ,  G01N2021/3137 ,  G01N2021/3148 ,  G01N2021/3185 ,  G01N2021/8557 ,  G01N2021/8578

Abstract: A gas detector that includes at least one source of infrared radiation, at least two analytical detectors, each analytical detector adapted to provide an output signal indicative of a first gas of interest and positioned to receive radiation from the source of radiation, at least one reference detector adapted to receive radiation of a predetermined wavelength, a sample chamber for receiving a gaseous sample, and an optical path length disposed between the source of radiation and the analytical detectors and passing through the sample chamber.

Abstract translation: 包括至少一个红外辐射源的气体检测器，至少两个分析检测器，每个分析检测器适于提供指示感兴趣的第一气体的输出信号，并定位成接收来自辐射源的辐射，至少一个参考 检测器，其适于接收预定波长的辐射，用于接收气体样品的样品室，以及设置在辐射源和分析检测器之间并通过样品室的光路长度。

公开(公告)号：US06955652B1

公开(公告)日：2005-10-18

申请号：US10435095

申请日：2003-05-09

Applicant: Marc M. Baum ,  Harry C. Lord

Inventor： Marc M. Baum ,  Harry C. Lord

IPC: A61B5/00 ,  A61B5/029 ,  A61B5/08 ,  A61B5/083 ,  G01N21/05 ,  G01N21/31 ,  G01N21/35 ,  G01N21/39 ,  G01N33/497

CPC classification number: G01N33/497 ,  A61B5/0059 ,  A61B5/029 ,  A61B5/0813 ,  A61B5/083 ,  G01N21/05 ,  G01N21/3504 ,  G01N2021/3129 ,  G01N2021/3137 ,  G01N2021/3166 ,  G01N2021/398

Abstract: A rugged, miniature, spectroscopic gas analyzer apparatus for rapid, non-invasive, multi-component breath monitoring and analysis and subsequent determination of Q or other medical diagnostic applications. The system is comprised of one or more IR emitters focussed by optical elements through a low volume sample cell receiving a sample input of a patient's breath for analysis. The patient either at rest or during exercise, inhales C2H2—SF6 mixtures (balance of oxygen and nitrogen) which is subsequently monitored upon exhalation for CO2, H2O, C2H2, and SF6 which can be employed to determine Q directly and accurately. Measurements are performed in real-time or via post-processing of stored original data. Due to its small size, ruggedness, and low power consumption, the monitor can conveniently be employed in the field or data can also be retrieved remotely using telemetry. The miniature analyzer operates on the principle of infrared absorption spectroscopy and allows very precise concentration measurements of the analytes of interest, without any bias or interference from other matrix components.

Abstract translation: 一种坚固，微型的光谱气体分析仪，用于快速，无创，多组分呼吸监测和分析，随后确定Q或其他医疗诊断应用。 该系统由一个或多个由光学元件聚焦的IR发射器组成，所述IR发射器通过接收患者呼吸的样本输入的低体积样本细胞进行分析。 患者在休息或运动期间吸入C 2 2 H 2 -SF 6 N 6混合物（余量的氧气和氮气），随后监测 在CO 2气体，H 2 O，C 2 H 2 H和SF 6的气体呼气时， / SUB，可直接，准确地确定Q。 通过实时或经过后处理存储的原始数据进行测量。 由于其体积小巧，坚固耐用，功耗低，可以方便地在现场使用显示器，也可以使用遥测方式远程检索数据。 该微型分析仪的工作原理是红外吸收光谱，并且可以非常精确的浓度测量所关注的分析物，没有任何来自其他基质组分的偏差或干扰。

公开(公告)号：US06643016B2

公开(公告)日：2003-11-04

申请号：US09846232

申请日：2001-05-02

Applicant: Theodore M. Garver ,  David G. Jenkins ,  Andrew Riser

Inventor： Theodore M. Garver ,  David G. Jenkins ,  Andrew Riser

IPC: G01J330

CPC classification number: G01N21/0303 ,  G01J3/20 ,  G01J3/42 ,  G01N21/031 ,  G01N21/05 ,  G01N21/31 ,  G01N21/33 ,  G01N2021/3129 ,  G01N2021/3133 ,  G01N2021/3137 ,  G01N2021/3155 ,  G01N2021/3185

Abstract: A spectrometer or multiple wavelength absorbance detection method and apparatus providing improved accuracy for an array of measurements at different wavelengths. The spectrometer utilizes a multiple wavelength illumination system with an array of independent detectors with different pathlength cells, where each cell is illuminated with predominately monochromatic light after separation by a light dispersing element. Each sample cell has an optical pathlength, optics and photodetection device that are optimized for its particular wavelength to accurately measure absorbance through an expected substance.

Abstract translation: 一种对不同波长的测量阵列提供改进的精度的光谱仪或多波长吸光度检测方法和装置。 光谱仪利用具有不同光程长度单元的独立检测器阵列的多波长照明系统，其中通过光分散元件分离后，每个单元被主要单色光照射。 每个样品池具有光学长度，光学和光电检测装置，其针对其特定波长进行优化，以通过预期物质精确测量吸光度。

公开(公告)号：US5231591A

公开(公告)日：1993-07-27

申请号：US726430

申请日：1991-07-05

Applicant: Ross F. Flewelling ,  Eric T. Johansson ,  Lucille A. Ferus ,  John A. Culver ,  Keith H. Breton

Inventor： Ross F. Flewelling ,  Eric T. Johansson ,  Lucille A. Ferus ,  John A. Culver ,  Keith H. Breton

IPC: A61B5/083 ,  A61M16/10 ,  G01N21/31 ,  G01N21/35

CPC classification number: G01N21/3504 ,  A61B5/083 ,  A61M16/104 ,  A61M2016/102 ,  A61M2016/1035 ,  G01N2021/3129

Abstract: An agent gas analyzer that will determine the types and measure simultaneously the concentrations of a plurality of agent gases in a respiratory gas stream of an anesthetized patient, with the analyzer self-determining the agent gas types and concentrations each time gas measurements are made.

Abstract translation: 一种试剂气体分析仪，其将确定类型并同时测量麻醉患者的呼吸气流中的多种试剂气体的浓度，分析仪每次进行气体测量时自我确定试剂气体类型和浓度。

公开(公告)号：US5129401A

公开(公告)日：1992-07-14

申请号：US458974

申请日：1990-01-25

Applicant: James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

Inventor： James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

IPC: A61B5/083 ,  G01N21/31 ,  G01N21/35

CPC classification number: A61B5/083 ,  G01N21/3504 ,  G01N2021/3129 ,  G01N2201/121

Abstract: A gas analyzer system and method for detecting and displaying information of gases in a respiratory gas stream, comprising an optical bench including a gas pathway for the flow of a gas stream through the optical bench, a flow shaping inlet at the entrance to the optical bench's gas pathway, two infrared detection channel assemblies for measuring the partial pressures of the gases in the respiratory gas stream, a pressure sensor for measuring the pressure within the gas pathway, a temperature sensor for measuring the temperature within the optical bench, and a flow rate sensor for measuring the gas flow rate through the gas pathway, circuitry for processing the detected partial pressures of the gases and the measured values for pressure, temperature, and flow rate, and for providing output signals indicative of processed measured values, the detected partial pressures of the gasses, and characterization information with respect to the optical bench components; analog input circuitry for processing the signals output from the optical bench for input to analog processing circuitry; analog processing circuitry for processing and correcting at least the detected partial pressures of the gases signals for collision broadening, temperature, pressure in the gas pathway, barometric pressure, cross-correction, and characterization of the optical bench components, and providing output signals indicative of the corrected partial pressures of the gases to display processing circuitry; display processing circuitry for processing the signals for display of at least the corrected partial pressure of one gas on a cathode ray tube.

Abstract translation: 一种用于检测和显示呼吸气流中的气体信息的气体分析仪系统和方法，包括一个光学台，包括用于通过光学台的气流流动的气体通道，在光学台的入口处的流动成形入口 气体通道，用于测量呼吸气流中的气体的分压的两个红外检测通道组件，用于测量气体通道内的压力的压力传感器，用于测量光学平台内的温度的温度传感器，以及流速 用于测量通过气体通路的气体流量的传感器，用于处理检测到的气体分压的电路和用于压力，温度和流速的测量值，以及用于提供指示经处理的测量值的输出信号，检测到的分压 的气体，以及关于光学台架部件的表征信息; 模拟输入电路，用于处理从光学平台输出的用于输入到模拟处理电路的信号; 模拟处理电路，用于处理和校正至少检测到的气体信号的分压，用于碰撞扩张，气体通路中的温度，压力，气压，交叉校正和光学台部件的表征，以及提供指示 校正的显示处理电路的气体分压; 显示处理电路，用于处理用于显示至少阴极射线管上的一种气体的校正分压的信号。

公开(公告)号：US5088493A

公开(公告)日：1992-02-18

申请号：US161206

申请日：1988-02-16

Applicant: Ivo Giannini ,  Marco Ferrari ,  Amilcare C. de Resmini ,  Paolo Fasella

Inventor： Ivo Giannini ,  Marco Ferrari ,  Amilcare C. de Resmini ,  Paolo Fasella

IPC: A61B5/00 ,  G01J1/18 ,  G01J1/44 ,  G01N21/31

CPC classification number: A61B5/0059 ,  G01N21/314 ,  G01J2001/182 ,  G01J2001/4453 ,  G01N2021/3129 ,  G01N2201/0696 ,  G01N2201/08 ,  G01N2201/126

Abstract: A multiple wavelength light spectrophometer for non-invasive monitoring of a body organ in vivo comprising: a single pulsed light source, optical fibers for transmitting to and receiving the infrared radiation from the organ, a radiation detector capable of branching received radiation into several different wavelengths, an amplifier, and a data acquisition system including a microprocessor capable of compensating for light diffusion effects by employing a specific algorithm.

Abstract translation: 一种用于体内器官体内器官非侵入性监测的多波长光谱分析仪，包括：单个脉冲光源，用于传输和接收来自器官的红外辐射的光纤，能够将接收到的辐射分解成若干不同波长的辐射检测器 放大器和数据采集系统，该系统包括能够通过采用特定算法补偿光扩散效应的微处理器。

公开(公告)号：US4907166A

公开(公告)日：1990-03-06

申请号：US101931

申请日：1987-09-25

Applicant: James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

Inventor： James E. Corenman ,  Daniel S. Goldberger ,  Edward M. Richards ,  Emil P. Rojas ,  James R. Braig ,  David A. Gallup

IPC: A61B5/08 ,  A61B5/083 ,  G01N21/31 ,  G01N21/35 ,  G01N21/61 ,  G06F15/42

CPC classification number: A61B5/083 ,  G01N21/3504 ,  G01N2021/3129 ,  G01N21/61 ,  G01N2201/121

Abstract: An improved gas analyzer system (FIG. 1) and method of use for detecting and displaying the partial pressures of certain constituent gases in a respiratory gas stream, the system comprising an optical bench (111) through which a respiratory gas flows and in which measurements of the gas are taken; analog input circuits (122) for receiving signals output from the optical bench (111) through which a respiratory gas flows and in which measurements of the gas are taken; analog processing circuits (124) for processing signals output from the analog input circuits (122); display processing circuits (128) for processing the signals output from the analog processing circuits (124) and other system circuitry; pixel logic circuits/analog outputs (130) for processing signals output from the display processing circuitry (128) and providing analog output ports; a five button panel (148), an alarm/knob board (144), and a speaker driver (152) for operator interface and activation of audible and visual alarms; a CRT driver for driving a CRT; and a power supply (158) for powering the system.

公开(公告)号：US4875773A

公开(公告)日：1989-10-24

申请号：US191262

申请日：1988-05-06

Applicant: Richard Burns ,  James Defendorf ,  Edward King ,  Cornelius McCarthy

Inventor： Richard Burns ,  James Defendorf ,  Edward King ,  Cornelius McCarthy

IPC: G01J3/18 ,  G01J3/04 ,  G01J3/10 ,  G01J3/12 ,  G01J3/28 ,  G01J3/42 ,  G01J3/44 ,  G01J3/443 ,  G01N21/31

CPC classification number: G01J3/04 ,  G01J3/02 ,  G01J3/0294 ,  G01J3/12 ,  G01J3/2803 ,  G01J2003/045 ,  G01J2003/102 ,  G01J2003/1204 ,  G01J2003/1295 ,  G01J2003/1828 ,  G01J2003/425 ,  G01J3/1838 ,  G01J3/42 ,  G01J3/4406 ,  G01J3/443 ,  G01N2021/174 ,  G01N2021/3129

Abstract: An optical system for a multidetector array spectrophotometer which includes multiple light sources for emitting light of selected wavelength ranges and means for selectively transmitting the selected wavelength ranges of light to respective slits of a multi-slit spectrograph for multiple wavelength range detection. The spectrograph has two or more slits which direct the selected wavelength ranges of the light spectra to fall upon a dispersive and focusing system which collects light from each slit, disperses the light by wavelength and refocuses the light at the positions of a single set of detectors.

公开(公告)号：US4694173A

公开(公告)日：1987-09-15

申请号：US785725

申请日：1985-10-09

Applicant: Jacob Y. Wong

Inventor： Jacob Y. Wong

IPC: G01J1/16 ,  G01J3/12 ,  G01J5/62 ,  G01N21/31 ,  G01N21/35 ,  G02F1/01 ,  G01N21/03 ,  G02F1/29

CPC classification number: G01N21/3504 ,  G01J2001/161 ,  G01J2003/1269 ,  G01J2005/626 ,  G01N2021/3129 ,  G01N21/314 ,  G01N21/3518 ,  G02F1/0147

Abstract: A multi-component non-dispersive gas analyzer of a type typically used to measure the concentrations of gases present in automotive emissions and in breath analyzers has no moving parts and employs electrically operated means for effectively inserting and removing a reference cell from the optical path and for selecting a particular filter to determine momentarily the wavelengths of radiation being examined. The means for accomplishing these ends include a substrate on which a layer of vanadium dioxide is deposited. The layer is a good reflector at temperatures greater than 67.degree. C. and reflects only slightly at lower temperatures. The layer is alternately heated by an electrical current and is then allowed to cool to provide the desired optical switching action. This electrically-controlled selectively reflective layer is then used in conjunction with the reference cell and with an array of filters to implement the necessary switching and selection of the components.

Abstract translation: 通常用于测量汽车排放物中和气体分析仪中存在的气体浓度的多组分非分散气体分析仪没有运动部件，并且采用电动装置，用于从光路有效地插入和去除参考电池， 用于选择特定滤波器以确定正在检查的辐射的波长。 用于实现这些端部的方法包括其上沉积有二氧化钒层的基底。 该层在高于67℃的温度下是良好的反射器，并且在较低温度下仅略微反射。 该层被电流交替加热，然后被允许冷却以提供所需的光学切换动作。 然后将该电控选择性反射层与参考单元结合使用并具有一组滤波器以实现组件的必要的切换和选择。

公开(公告)号：US4560873A

公开(公告)日：1985-12-24

申请号：US505201

申请日：1983-06-17

Applicant: Gerald F. McGowan ,  Gerald W. Price ,  Carl E. Polhemus ,  Ronald L. Ketchum

Inventor： Gerald F. McGowan ,  Gerald W. Price ,  Carl E. Polhemus ,  Ronald L. Ketchum

IPC: G01N21/31 ,  G01N21/35 ,  G01N21/53 ,  G01N21/85

CPC classification number: G01N21/3504 ,  G01N21/8507 ,  G01N2021/3129 ,  G01N2021/536 ,  G01N2021/8571 ,  G01N2201/1215

Abstract: Apparatus is disclosed to accurately measure and analyze multiple component interfering gases which coexist in the stack gas effluent generated from a combustion process which utilizes a non-dispersive, narrowband infrared absorption technique. The apparatus includes a probe in the stack with an optical measurement cavity (34) through which the stack gases are passed. A transceiver (14) mounted to the probe includes an optical portion operatively associated with the measurement cavity including a chopped light source (54), (60), (62) for projecting beams of light into the measurement cavity and a detector (86) for detecting the attenuation of the gases to provide a measure of the extent of absorption of each gas of interest. A control unit, preferably remote from the transceiver, preferably a programmed digital computer, and preferably via a J-box (18) converts the electric outputs to a corresponding % modulation and in turn corrects for temperature, pressure and interference between gases. The results may be displayed on a front panel (174) or used, for example, to maximize efficiency in a combustion process.

Abstract translation: 公开了准确地测量和分析由利用非分散窄带红外吸收技术的燃烧过程产生的烟道气体流出物中共存的多组分干扰气体的装置。 该装置包括具有光学测量空腔（34）的堆叠中的探针，堆叠气体通过该测量空腔通过。 安装到探头的收发器（14）包括与测量腔可操作地相关联的光学部分，包括用于将光束投射到测量腔中的斩波光源（54），（60），（62） 用于检测气体的衰减以提供感兴趣的每种气体的吸收程度的量度。 优选地远离收发器的控制单元优选地是编程的数字计算机，并且优选地经由J盒（18）将电输出转换成相应的％调制，并且进而校正气体之间的温度，压力和干扰。 结果可以显示在前面板（174）上，或者例如用于使燃烧过程中的效率最大化。