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公开(公告)号:US5331958A
公开(公告)日:1994-07-26
申请号:US39583
申请日:1993-03-25
申请人: Luis Oppenheimer
发明人: Luis Oppenheimer
IPC分类号: A61B5/145 , A61B5/00 , A61B5/1455 , A61B5/1459 , A61B5/1495 , A61M1/36 , G01J3/42 , G01N15/05 , G01N21/31 , G01N21/47 , G01N21/53 , G01N33/49
CPC分类号: A61B5/14535 , A61B5/14557 , A61M1/3609 , G01N21/532 , G01N2015/055 , G01N2021/3144
摘要: A method and device are described which are particularly useful for continuous on-line monitoring of hematocrit and other blood parameters. The effect of change in blood electrolyte composition, for example, in blood sodium concentration, is taken into consideration. This effect has been found to change light beam geometry, and is taken advantage of to provide for blood sodium concentration measurement. The devices may be applied to extracorporeal circuits or to body parts capable of being transilluminated. The devices may be used to optimize dialysis, and also for monitoring optically detectable, exogenous macromolecules.
摘要翻译: 描述了对血细胞比容和其他血液参数的连续在线监测特别有用的方法和装置。 考虑血液电解质组成的变化,例如血钠浓度的影响。 已经发现这种效应改变了光束几何形状,并且被用于提供血液钠浓度测量。 这些装置可以应用于体外回路或者能够被透照的身体部位。 这些装置可以用于优化透析,并且还用于监测光学可检测的外源性大分子。
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公开(公告)号:US5916152A
公开(公告)日:1999-06-29
申请号:US857012
申请日:1997-05-15
申请人: Luis Oppenheimer , Henry H. Mantsch , Michael G. Sowa , Jing Wang
发明人: Luis Oppenheimer , Henry H. Mantsch , Michael G. Sowa , Jing Wang
CPC分类号: G01N33/52
摘要: A spectrophotometric analytical method for lung permeability is described. An exogenous polydispersed macromolecule is administered, and fluid of the patient is evaluated using infrared spectroscopy.
摘要翻译: 描述了肺透过性的分光光度分析方法。 施用外源性多分散大分子,使用红外光谱法评价患者的流体。
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公开(公告)号:US06332091B1
公开(公告)日:2001-12-18
申请号:US09484244
申请日:2000-01-18
IPC分类号: A61B600
CPC分类号: A61B5/4878 , A61B5/0059
摘要: Pulmonary edema in the lung is detected by exposing a lung under investigation to infrared radiation, especially near-infrared radiation; measuring the reflected radiation scattered by the lung as a spectral response to the presence of water in the lung; comparing the reflected radiation with calibrated values and evaluating occurrence of pulmonary edema from the comparison.
摘要翻译: 通过将正在研究的肺暴露于红外辐射,特别是近红外辐射来检测肺中的肺水肿; 测量由肺散射的反射辐射作为对肺中存在水的光谱响应; 将反射辐射与校准值进行比较,并从比较中评估肺水肿的发生。
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公开(公告)号:US5601080A
公开(公告)日:1997-02-11
申请号:US365033
申请日:1994-12-28
申请人: Luis Oppenheimer
发明人: Luis Oppenheimer
CPC分类号: G01N21/532
摘要: A spectrophotometric method and device are described which are particularly useful for on-line monitoring and control of blood parameters. Determination of a blood parameter without measuring or directly following another blood parameter, is made possible by using information contained in scatter and at least three distinct detection locations. Calibration using means for scattering a light beam to a suitable reference geometry, is beneficially used. Constant values related to the detection locations are derived. Later, these constants may be used to determine a blood parameter. Two different wavelengths and at least for detectors may be used. The device is beneficially applied to extracorporeal circuits, and may be used to optimize dialysis.
摘要翻译: 描述了对在线监测和控制血液参数特别有用的分光光度法和装置。 通过使用散射和至少三个不同检测位置中包含的信息,可以确定血液参数而不测量或直接跟随另一血液参数。 有利地使用使用将光束散射到合适的参考几何的装置进行校准。 导出与检测位置相关的常数值。 之后,这些常数可用于确定血液参数。 可以使用两种不同的波长并且至少用于检测器。 该装置有益地应用于体外循环,可用于优化透析。
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