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6733463 |
Method and measuring equipment for measuring nitric oxide concentration in exhaled air
A method for measuring nitric oxide concentration in exhaled air through a blow tube of a measuring equipment. The nitric oxide concentration is measured in the exhaled air flowing in the blow...
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6726637 |
Breath collection apparatus
An arrangement for the collection, concentration, and optional analysis of volatile organic components in alveolar breath includes a condensation unit which removes water vapor from the alveolar...
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6726636 |
Breathalyzer with voice recognition
A Voice recognition Breathalyzer comprises of a microphone for transducing spoken expression into electronic signals and a breathalyzer sensor for transducing given breath content into electronic...
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6723056 |
Device for the collection, storage and/or transport of gas samples
A gas sample containing an inorganic constituent, such as a sample of exhaled air is collected in a bag (b 1) comprising an inlet/outlet (2) and a reagent chamber (3) which makes possible the...
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6712770 |
Breath-based diagnostic device including an array of multiple sensors
A breath-based diagnostic device. The device includes an array of multiple gas sensors, a database storage device and a microprocessor. The gas sensors contain material capable of reacting with...
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6709403 |
Manometer CO2 detector combination
A top and bottom housing joined together have a patient port and ventilation port in axial alignment. The top housing contains dry indicator paper for changing color in response to the presence of...
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6699202 |
Method and device for physiologic analysis
A new method and a device are disclosed to determine physiologic parameters of a subject by analyzing it's breathing gas with an electrochemical sensor. The measured components of the breathing gas...
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6663574 |
Lung inflection point monitor apparatus connection device
A monitor-patient connector used with a lung inflection point monitor for measuring critical opening pressure, over distention pressure, and critical closing of lungs. The monitored-patient...
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6659961 |
Method and apparatus for measuring pulmonary blood flow by pulmonary exchange of oxygen and an inert gas with the blood
A method and apparatus for measuring pulmonary blood flow in a subject by pulmonary exchange of oxygen and an inert gas with the blood using a divided respiratory system. One method of isolating...
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6656127 |
Breath test apparatus and methods
Breath test methods and apparatus for increasing accuracy and reducing the time taken to achieve diagnostically useful results. In order to determine when an increase in isotopic ratio of the...
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6652468 |
Infrared radiation source and its application for gas measurement
A method for identification, measurement and/or warning of a gas with a sensor composed of: a pulsed, radiation-cooled infrared radiation source heated by single pulses of electric current, an...
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6648833 |
Respiratory analysis with capnography
The invention presents techniques for identifying and guiding treatment for medical conditions, based upon the carbon dioxide concentration in the patient's breath. In an exemplary application, the...
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6632402 |
Oxygen monitoring apparatus
Apparatus or systems which employ luminescence-quenching to produce a signal indicative of oxygen concentration. Components of such systems include: (1) an airway adapter, sampling cell, or the...
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6629933 |
Method and device for determining per breath the partial pressure of a gas component in the air exhaled by a patient
The invention relates to an inexpensive method in which the partial pressure of a gas component in the air exhaled by a patient is determined per breath.
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6629934 |
Indirect calorimeter for medical applications
An improved respiratory analyzer comprises a disposable flow module and non-disposable electronics module. An improved ventilator system comprises a supply of respiratory gases, a ventilator line...
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6626844 |
Method and composition for inhibition of nitric oxide production in the oral cavity
The disturbing influence or orally produced nitric oxide in the measuring of exhaled nitric oxide can be ameliorated or totally eliminated through the use of a method and composition according to...
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6620109 |
Method and system of diagnosing intrapulmonary infection using an electronic nose
The presence of a pathologic process in a lung of a mammal is detected by applying exhaled gas of a mammal to an electronic nose. Data derived from the electronic nose is used to determine whether...
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6620107 |
Detection of conditions by analysis of gases or vapours
A method for detecting the occurrence of a condition in a respiring subject includes the steps of: introducing emitted subject respiratory gases to a gas sensing device; detecting certain species...
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6620108 |
Apparatus and method for determining machine operator status
An apparatus and method for assuring that a machine operator is not under the influence of a chemical, comprising a first sensor positioned proximally to the machine operator and adapted for,...
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6620106 |
Indirect calorimetry system
An indirect calorimetry system includes transducers sensitive to expired airflow that are enclosed within a calorimeter housing, and a microprocessor in communication with the transducers for...
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6616615 |
Respiratory calorimeter
An indirect calorimeter for measuring the subject's oxygen consumption per unit time employs a mouthpiece through which the subject breathes for a period of time. Conduits connect the mouthpiece to...
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6616896 |
Oxygen monitoring apparatus
Apparatus or systems which employ luminescence quenching to produce a signal indicative of oxygen concentration. Components of such systems include: an airway adapter, sampling cell, or the like,...
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6599252 |
Method and apparatus for anatomical deadspace measurement
An apparatus and method for determining an anatomical deadspace volume VDANA of a patient. The apparatus includes a sensor that measures a parameter indicative of the volume of gas exhaled by the...
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6594016 |
Method of spectroscopically determining a volatile organic compound in a gas given off by a mammal
The invention relates to a method of spectroscopically determining the concentration of a volatile organic compound in a gas given off by a mammal. According to the invention, the spectroscopic...
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6585661 |
Device and method for monitoring asthma
A device (10) and method for non-invasively monitoring asthma and other respiratory diseases. The method includes collecting condensate from a subject's breath, testing the condensate to determine...
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6585662 |
Pneumotachometer
A disposable differential pressure pneumotachometer includes an inlet chamber having an air inlet, an outlet chamber having an air outlet, and a resistive element disposed between the inlet and...
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6582376 |
Alveolar breath collection device and method
A device for collecting alveolar breath. Breath is expired into the inlet of a hollow body. The hollow body has two outlets, with a valve disposed in each outlet. The concentration of a specific...
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6554776 |
Method for detecting anaerobic threshold and prescribing a training zone to maximize fat utilization or improved cardiovascular fitness
A method for prescribing an exercise regimen for a particular subject to either maximize cardiovascular performance or to lose weight involves the use of a microprocessor-based cardiopulmonary...
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6548043 |
Measurement of gastric emptying
A meat-free, algae-free, standardized, test meal kit used in the measurement of delayed gastric emptying is provided. The kit contains at least a standardized test meal dry mix and tracer. A method...
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6547728 |
Device for measuring organism condition
The device includes: an information intake system that obtains a value representing a non-sensory biological activity of a user's body, such as the pulse or the activity of a limb,a filter for...
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6544190 |
End tidal breath analyzer
A noninvasive apparatus and method for measuring a subject's end tidal carbon monoxide concentration is disclosed, featuring the ability to (i) determine carbon monoxide concentration on a...
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6540691 |
Breath test for the detection of various diseases
The alkane profile (FIGS. 12-14) comprising the alveolar gradients of n-alkane in breath having 4 carbons to 20 carbons, and the methyl alkane profile (FIGS. 30-34) are determined for the diagnosis...
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6517496 |
Airway-based cardiac output monitor and methods for using same
A respiratory gas analyzer for measuring the cardiac output of a subject includes a flow meter and an oxygen sensor interconnected with one another between a mouthpiece and a source of respiratory...
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6517497 |
Method and apparatus for monitoring respiration using signals from a piezoelectric sensor mounted on a substrate
A method and apparatus for monitoring and/or quantitatively measuring a patient's respiration using a flexible piezoelectric film sensor. The apparatus includes a piezoelectric film which converts...
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6488635 |
Animal exhalation monitoring
Apparatus and a method for monitoring animal exhalation, to provide an indication of the condition of an animal is disclosed. Apparatus for collection and temporary or permanent storage of animal...
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6485432 |
Pyro/piezo sensor with enhanced sound response
A combination thermal and vibration sensor for use in sleep monitoring equipment comprises a thin film of plastic exhibiting both pyroelectric and piezoelectric properties. By providing a layer of...
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6475158 |
Calorimetry systems and methods
A calorimeter configured to determine a metabolic rate of an individual based on measurements of the individual's respiration. The calorimeter includes an inlet, a flow sensor, a mixing chamber, a...
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6468477 |
Sealable air sampling bag
An air sampling device for obtaining an air sample from a person's lungs, and a method for using the same. The air sampling device is comprised of generally of a breath intake structure, an...
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6467333 |
Trace level detection of analytes using artificial olfactometry
The present invention provides a device for detecting the presence of an analyte, such as for example, a lightweight device, including: a sample chamber having a fluid inlet port for the influx of...
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6461306 |
Diagnosing intrapulmonary infection and analyzing nasal sample
The presence of a pathologic process in a lung of a mammal is detected by applying exhaled gas of a mammal to an electronic nose (12). Data derived from the electronic nose (12) is used to...
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6454723 |
Metabolic fitness training apparatus
A metabolic fitness training apparatus is provided which measures the concentration of acetone in a trainer's breath while exercising. The metabolic fitness training apparatus include a housing, an...
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6450968 |
Method for determining gas content in a breathing apparatus, and a breathing apparatus operating according to the method
In a method for determining the gas content, e.g. of oxygen in breathing gas in a breathing apparatus, and a breathing apparatus operating according to the method, the gas content is determined...
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6443908 |
Method and apparatus for in vivo measurement of carbon monoxide production rate
An apparatus for in vivo measurement of carbon monoxide production rate comprising a first gas detector for detecting the concentration of a first selected gas in at least first and second gas...
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6419634 |
Condensate colorimetric nitrogen oxide analyzer
Disclosed is a device for determination of the content of higher oxides of nitrogen in exhaled breath condensate which comprises a conduit having an exhalate condensing portion with an inlet and an...
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6416479 |
Method for using breath carbon monoxide concentration measurements to detect pregnant women at risk for or experiencing various pathological conditions relating to pregnancy
A non-invasive method for the early detection and assessment of the severity of various pathological conditions in pregnancy including pregnancy-induced hypertension, preeclampsia, premature...
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6409676 |
Process for determining respiratory phases of the sleep of a user
A process for determining respiratory phases of the sleep of a user (3), comprising measuring at least two physical variables of which at least a first physical variable is representative of the...
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6406435 |
Method and apparatus for the non-invasive determination of cardiac output
A method and apparatus for the non-evasive determination of the cardiac output of a subject by causing the subject to inhale and exhale air via a respiratory tube in a plurality of breathing cycles...
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6402697 |
Non-invasive cardiac output and pulmonary function monitoring using respired gas analysis techniques and physiological modeling
A cardiac output monitoring system (10) includes a respiratory flowmeter (14) and a gas analyzer (20, 22) capable of determining cardiac output on a breath-by-breath basis by non-invasively...
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6390987 |
Method and apparatus for separating water and gas in a gas analyzer system
A liquid and gas separator system is disclosed, the liquid and gas separator system includes an inlet that receives a first gas sample. The first gas sample at least partially includes liquid...
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6387053 |
Method and apparatus for determining an indicator which is dependent on respiratory data
In a method for the determination of an indicator which depends on respiratory data and defines the transition from the aerobic to anaerobic metabolism of a person, with the person being subjected...
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