End-tidal gas monitoring apparatus

A technology of end-breath and gas, which is applied in the analysis of gas mixtures, the structural details of gas analyzers, and measuring devices, and can solve problems such as difficulties in accurate concentration measurement

Inactive Publication Date: 2014-04-23
FRED HUTCHINSON CANCER RES CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, since H 2 S is volatile and reactive, so H in biological fluids 2 Accurate measurement of S concentration is difficult

Method used

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Embodiment Construction

[0018] Before describing several exemplary embodiments of the invention, it is to be understood that the invention is not limited to the details of construction or method steps set forth in the following description. The invention is capable of being practiced and practiced in other embodiments or carried out in various ways.

[0019] The gas monitoring devices and methods described herein enable monitoring of endogenous gas concentrations in a more cost-effective and frequent manner. The method could be used to replace the invasive practice of drawing blood to measure concentrations. Additionally, the measurement of pharmaceutical agents (or other substances) in exhaled breath could prove to be a major advance in the monitoring of a wide variety of drugs, compounds, naturally occurring metabolites and molecules.

[0020] The present invention provides devices and methods for non-invasive monitoring of end-tidal gas concentration in blood. More specifically, embodiments of t...

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Abstract

A non-invasive monitoring apparatus for end-tidal gas concentrations, and a method of use thereof, is described for the detection of endogenous gas concentrations, including respiratory gases, in exhaled breath.

Description

technical field [0001] The present invention relates to non-invasive monitoring of end-tidal gas concentrations in exhaled air, and more particularly to methods for detecting end-tidal gas concentrations including hydrogen sulfide, carbon dioxide, carbon monoxide, nitric oxide, and other respiratory gases. Method and device, wherein detection is performed by detecting the concentration of the aforementioned gaseous medium in exhaled breath. Background technique [0002] Hydrogen sulfide (H 2 S) are gaseous biomediators that function as signaling molecules and potential therapeutic agents under physiological conditions. h 2 S also acts as a mediator of key biological functions including lifespan and viability under conditions of severe hypoxia. The latest research indicates that H 2 Therapeutic potential of S in a variety of cardiovascular diseases and critical illnesses. [0003] The increase in endogenous hydrogen sulfide concentration induced by parenteral sulfide adm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/08A61B5/083A61B5/097G01N33/497
CPCG01N33/497A61B5/746A61B5/097A61B5/082A61B5/0836G01N33/004
Inventor 加隆·阿克尔大卫·克里斯特恩森约翰·C·法利甘特迈克尔·A·因斯科约翰·克劳斯弗莱德里克·J·蒙哥马利克里斯多弗·图姆博斯
Owner FRED HUTCHINSON CANCER RES CENT
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