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8181503 |
Disposable sensor for use in measuring an analyte in gaseous sample
The present invention is a disposable sensor for use with a device that quantifies analytes in a gaseous sample. It comprises (i) a sensing element, (ii) a means for interfacing the disposable...
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8176766 |
Liquid and solid trapping mouthpiece
A liquid and solid trap which induces cyclonic motion of a breath flow to separate solids and liquids from a breath sample prior to that sample being provided to a breath detector for determining...
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8166798 |
Gas analyzer having a structure including cavities and volumes
Method of making a structure, a structure and a gas analyzer comprising cavities and volumes in which a multilayer structure is made by laminating single layers on top of each other to form the...
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8161793 |
Mouth alcohol tester
This application discloses a system for detecting mouth alcohol which is integrated with a breath-measuring instrument. In an embodiment, the breath-measuring instrument comprises a single fuel...
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8083684 |
Intubation verification and respiratory gas monitoring device and the method thereof
A patient vital sign monitoring device and method thereof is described. According to an embodiment of the present invention there is a portable, lightweight, and small device which verifies...
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8056395 |
Method for detecting a chemical substance
The present invention provides a method for detecting easily and efficiently a chemical substance contained in a gas sample at an ultralow amount. The present invention is directed to detecting...
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8026103 |
Breath test for total organic carbon
A total amount of volatile organic compounds (VOCs) in a breath sample (101) is detected by oxidizing/burning (120) the VOCs to form CO2 and H2O, and the amounts of one or both of these compounds...
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7992422 |
Breath-based sensors for non-invasive molecular detection
A method of diagnosing the health of an individual by collecting a breath sample from the individual and measuring the amount of each of a plurality of analytes in the sample. The amount of each...
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7993281 |
Breath alcohol measuring device with improved mouthpiece
A breath alcohol measuring device (7) is provided with features for superior handling especially of the replaceable mouthpiece (1). A direct physical contact between the test subject being tested...
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7977103 |
Method for detecting the onset of ovulation
A method for detecting the onset of ovulation in a female mammal is provided. The method includes contacting mouth air of the female mammal with an arylmethane test chromogen in an amount effective...
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7967759 |
Endoscopic system with integrated patient respiratory status indicator
The system 10 includes an endoscopic probe 20 and an expired air sampling device 24 functionally connected to a control console 28. In use, the endoscopic probe 20 is routed through a body lumen of...
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7930923 |
Quartz crystal microbalance with nanocrystalline oxide semiconductor thin films and method of detecting vapors and odors including alcoholic beverages, explosive materials and volatilized chemical compounds
A nanocrystalline ITO thin film formed on a quartz crystal microbalance (QCM) facilitates detection of gaseous compounds emitted from an analyte. Adsorption of gas molecules onto the...
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7901632 |
Ultrasensitive olfactory system fabrication with doped aerogels
An array of sensor elements is formed by the incorporation of sensing materials into porous structures, creating sensing systems with extremely large surface areas with sensing molecules attached...
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7867171 |
Management of gastro-intestinal disorders
Methods of determining gastro-intestinal conditions by performing a succession of breath tests or others tests, particularly for determining the gastric emptying or gastric accomodation condition...
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7855081 |
Methods of detecting RF interference in breath ethanol testing
Interference detector and methods for detecting interference in a signal are described. More specifically, in one aspect, a method for detecting interference in a signal is provided. The method...
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7855027 |
Methods and apparatus for breath alcohol testing
A fuel cell assembly includes a fuel cell, a fuel cell housing, and a diaphragm. The fuel cell housing includes an endwall and an inlet port extending through said endwall. The inlet port is for...
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7833166 |
Breath alcohol-measuring device with an illuminated mouthpiece
A breath alcohol-measuring device is provided, which includes a mouthpiece which can be inserted or attached, with a blow-in opening and with a blow-out opening and with a hole for breathing gas...
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7833481 |
Fully integrated portable screening system
A fully integrated portable screening system includes a main housing and a contact pad. The contact pad is removably positioned in the main housing and covered by at least one sample sheet. The...
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7820108 |
Marker detection method and apparatus to monitor drug compliance
The present invention includes a method and apparatus for monitoring drug compliance by detecting markers, such as odors, upon exhalation by a patient after medication is taken, wherein such...
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7797982 |
Personal breathalyzer having digital circuitry
The present invention relates to a portable, personal breath tester device for testing the blood alcohol content of the user of the device. The breath tester comprises a circuit board, wherein a...
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7790467 |
Diode laser based ketone and aldehyde detection
An apparatus and method for quantifying ketone or alydehyde concentrations of gas. The invention includes passing a gas sample through a reactor and an optical cell and determining a concentration...
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7749169 |
Handheld breath tester housing and mouthpiece
A breath tester housing assembly is provided. The assembly comprises a housing having a base to be gripped by an operator, a display oriented to be in line with an operator's direct line of view...
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7717857 |
Diagnosis of P. aeruginosa infection in the lungs of patients
The present invention relates to methods for detecting P aeruginosa infection and bacterial burden in the lungs of patients who are at risk for P. aeruginosa infections, especially including...
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7704214 |
Device and method for the quantitative determination of nitrogen oxides in exhaled air and application thereof
A volumetric flow of an analyte, including exhaled air, is fed to a gas sensor unit by used of gas flow device, which can include various sensors for the determination of nitrogen oxides. An...
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7638343 |
Method to identify or evaluate compounds useful in the field of fragrances and aromas
The invention relates to methods of identification or evaluation of compounds useful in the field of fragrances and aromas (the volatile part of a flavor). Methods according to the invention take...
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7603887 |
Breath alcohol-measuring device, process and system
A device, a system and a process is provided for the use of a breath alcohol-measuring device (1) with improved personal identification. The breath alcohol-measuring device (1) is combined with a...
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7603886 |
Breath alcohol-measuring device with piezo drive
A breath alcohol-measuring device for breathing gas sampling has a mouthpiece (2), for receiving the exhaled breathing air (1) of a test subject, provided with a first flow diaphragm (3). A first...
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7594894 |
Arrangement for analysing respiratory gases
The present invention relates to an arrangement for the analysis of respiratory gases to and from a patient, which is connected to a respirator. The arrangement comprises a holder unit (6) for a...
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7559225 |
Artificial throat
The present invention relates to an artificial throat for simulating aroma release comprising—a tube (1) having an inlet (2) and an outlet (3) and having an upper portion (4), a middle portion (...
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7541192 |
Process for distinguishing wet from dry gas with a breath alcohol measuring device
A process is provided for distinguishing between wet from dry gas with a breath alcohol measuring device, in which a defined sample volume from a gas blown in is fed for sampling to an...
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7533558 |
Disposable sensor for use in measuring an analyte in a gaseous sample
The present invention is a disposable sensor for use with a device that quantifies analytes in a gaseous sample. It comprises (i) a sensing element, (ii) a means for interfacing the disposable...
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7487662 |
Volatile organic compound sensor system
Generally, this invention relates to the development of field monitoring methodology for new substances and sensing chemical warfare agents (CWAs) and terrorist substances. It also relates to a...
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7481292 |
Vehicle ignition interlock systems with retesting frequency control
A vehicle ignition interlock system includes a breath analyzer and a controller operably connected to the breath analyzer and to an ignition system of the vehicle. The controller compares detected...
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7473229 |
Method of analyzing components of alveolar breath
A method of analyzing alveolar breath. Breath is expired through an analysis chamber. The concentration of a first component of the breath is monitored as the breath is expired through the analysis...
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7465275 |
Method and apparatus for measuring functional residual capacity (FRC) and cardiac output(CO)
The present invention relates to a method and an apparatus for measuring Functional Residual Capacity (CO). Further, it relates to a method and an apparatus for measuring cardiac output (CO). The...
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7465276 |
Identification of disease characteristics using isotope ratios in breath
Methods are disclosed for distinguishing whether an animal is experiencing a bacterial infection or a viral infection. One monitors breath taken from the animal over time to measure the relative...
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7451852 |
Vehicle sobriety interlock system with personal identification element
An interlock system for measuring the sobriety of a potential motorized apparatus operator is coupled to the starting mechanism of said motorized apparatus. The interlock system includes a...
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7421882 |
Breath-based sensors for non-invasive molecular detection
A method of diagnosing the health of an individual by collecting a breath sample from the individual and measuring the amount of each of a plurality of analytes in the sample. The amount of each...
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7404311 |
Breath test simulator
A breath simulator for supplying a breath test analyzer with a sample effluent of ethyl alcohol that controls headspace and adjacent effluent passageway temperature.
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7377901 |
Apparatus for collection of airway gases
The invention relates to an apparatus for collection of airway gases from a subject comprising a first means for producing closure of the velum of the subject, and a second means for collection of...
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7377352 |
Vehicle ignition interlock systems with mouth alcohol contamination sensor
A vehicle ignition interlock system includes a breath analyzer and a controller operably connected to the breath analyzer and to an ignition system of the vehicle. The breath analyzer detects the...
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7347825 |
Device and method for assessing asthma and other diseases
Device and method for non-invasively monitoring asthma and other respiratory diseases, as well as non-respiratory diseases. The method includes collecting condensate from a subject's breath,...
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7341563 |
Sidestream gas sampling system with detachable sample cell
A sidestream sampling system includes a sidestream gas measurement assembly and a sample cell configured to be assembled therewith. The sidestream gas measurement assembly includes a receptacle for...
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7338454 |
Breath test
A method of assessing the state of the lining of the small intestine in a mammal or human injesting a suitable labelled test substrate which requires conversion by a brush border enzyme for...
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7335164 |
Multiple function airway adapter
An integrated airway adapter capable of monitoring any combination of respiratory flow, O2 concentration, and concentrations of one or more of CO2, N2O, and an anesthetic agent in real time, breath...
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7329390 |
Device and process for measuring breath alcohol
A breath alcohol measuring device includes a flow chamber, for receiving exhaled breathing gas of a person, with a flow diaphragm. A differential pressure sensor has a first measuring connection...
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7300408 |
Spectroscopic breath analysis
Methods and apparatus for the analysis of exhaled breath by spectroscopy are disclosed. An optical cavity containing the exhaled breath, typically comprising a pair of opposing high reflectivity...
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7301125 |
Heater for optical gas sensor
A heater for a window of an optical gas sensor is provided. The heater may be positioned over a portion of the window or may form at least a portion of the window. Alternatively, the heater may be...
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7294839 |
Low volume sample cell and gas monitoring system using same
A sample cell, which is a component of a gas monitoring system, includes a sample cell body and a sample cell core installed therewith. The sample cell is coupled to a sampling tube that...
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7285246 |
Hand-held fluid analyzer
A hand-held device detects the presence of a preselected substance in the breath. A deformable housing forms a test chamber for interacting an indicator reagent with the breath. An ampoule...
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