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7040183 Arrangement for passive gas sampling  
An arrangement for passive gas sampling of a breathing gas in a breathing system allows sampling during both inspiration and expiration. The arrangement has a tube-piece having a first connector...
7041275 Irrigating fluid  
A surgical irrigating fluid composition, especially for endoscopic surgery, is provided comprising a rinsing fluid and nitrous oxide added as a marker to the rinsing fluid in an amount which is...
7032431 Non-invasive, miniature, breath monitoring apparatus  
A means of miniaturizing the rugged, spectroscopic gas analyzer for rapid, non-invasive, multicomponent analysis of breath described in application Ser. No. 09/891,106, Filed on Jun. 25, 2001. A...
7025731 Methods for accurately, substantially noninvasively determining pulmonary capillary blood flow, cardiac output, and mixed venous carbon dioxide content  
A method for noninvasively determining the pulmonary capillary blood flow or cardiac output of a patient includes measurement of respiratory flow and carbon dioxide pressure of the patient's...
7018340 Apparatus and method for non-invasively measuring cardiac output  
Apparatus and methods for non-invasively determining the cardiac output or pulmonary capillary blood flow of a patient using partial re-breathing techniques. The apparatus includes a substantially...
7019291 NOx monitor using differential mobility spectrometry  
System for detection and analysis of gas samples in fieldable real-time Differential Mobility Spectrometry (DMS) chemical sensor system which uses non-radioactive ion source for monitoring and...
7014612 Method for diagnosis of helicobacter pylori infection  
A rapid, non-invasive breath-test method and device for diagnosing the presence or absence of H. pylori in a subject without administration of isotopic tracers is described. The device consists of...
7008380 Automatic lung parameter estimator  
A device for determining one or more respiratory parameters relating to an individual is disclosed, as well as a method for determining one or more respiratory parameters by means of the device,...
7004909 Diagnostic method for high sensitivity detection of component concentrations in human gas emissions  
A method for detecting component concentrations in human gas emissions such as breath and gas emitted from skin. A gas sample containing a specified component is collected into a gas cell using a...
7004168 Face mask for gas monitoring during supplemental oxygen delivery  
A face mask including a gas monitoring capability for improved patient management in combination with improved efficiency of supplemental oxygen delivery to the patient is provided. The face mask...
7001340 Assessment of concentration of inhalational compounds in the brain  
This invention directs to a method of assessing the concentration of an inhalational compound in the brain of a subject. The method includes administering a gas containing the compound into a...
6997880 Waveform interpreter for respiratory analysis  
A capnograph which performs an analysis of the breath waveforms measured by the carbon dioxide sensor, interprets the results of this analysis, and outputs to the operator diagnostic information...
6991607 Process and device for measuring exhaled air to determine metabolic function of a living being  
A process and a device are provided for determining the proportion of a component of the air exhaled by a breathing living being that is characteristic of the metabolic function of such living...
6983750 Method for indicating the amount of ventilation inhomogeneity in the lung  
A method of determining ventilation inhomogeneity in the lungs is provided. During the first step of the method, a lung volume series is calculated from a series of measured lung inert gas...
6981947 Method and apparatus for monitoring respiratory gases during anesthesia  
A method and system is provided for monitoring delivery of anesthesia (inhalational and intravenous) and detecting the depth of anesthesia wherein at least one anesthetic agent is absorbed in...
6942623 Mixing chamber and expired gas sampling for expired gas analysis indirect calorimetry  
There is provided an improved system for expired gas analysis indirect analysis indirect calorimetry comprising a unique compliant mixing chamber that is directly connected to a mouthpiece that,...
6935338 Fluid resistant airway adapter  
An airway adaptor that includes a tubular body having a first gas flow passage defined therein. A protrusion extends from an interior wall of the tubular body into the gas flow passage. The...
6923847 Gas/liquid separator including a liquid trap filter  
A liquid separator for a respiratory gas sample analyzer includes a closed container having a liquid trap filter chamber integral with the container. The liquid trap filter chamber includes an...
6921369 Mobile ergospirometry system  
A mobile ergospirometry system including a portable measurement unit that can be attached to a subject and that incorporates a mouthpiece or mask to collect respiratory gas, a sensor for the volume...
6910481 Pressure support compliance monitoring system  
A compliance monitoring system and method in which a modular compliance monitor is selectively disposed in-line in a patient circuit of a pressure support system. The monitor includes a housing...
6908438 Apparatus and method for non-invasively measuring cardiac output  
Apparatus and methods for non-invasively determining cardiac output using partial re-breathing techniques are disclosed in which the apparatus is constructed with an instantaneously adjustable...
6899684 Method of respiratory gas analysis using a metabolic calorimeter  
A method of determining a respiratory parameter for a subject using an indirect calorimeter is provided. The indirect calorimeter includes a respiratory connector for passing inhaled and exhaled...
6896713 Liquid separator with holder unit  
A liquid separator for separating liquid from gases, comprises a water trap (1) that includes a container (3), a connector (5) for incoming gas flow, a separation chamber (4) that includes a filter...
6890305 Reagent and method for measuring lung function  
The present invention relates to an assay for evaluating alveolar exchange of oxygen. A 13C-labeled substrate, such as 13C-sodium bicarbonate is administered to a subject by oral or iv intake, and...
6884222 Method and apparatus for estimation of resting respiratory quotient  
A method and apparatus for determining a user's Respiratory Quotient (RQ) using just measured O2 and CO2 concentrations without use of a flow meter. The RQ is determined by measuring the user's...
6884223 Method for detecting α-oxoaldehydes in the whole blood, blood plasma and/or serum of a patient  
A method for detecting α-oxoaldehydes in the whole blood, blood plasma and/or serum of a patient. A respiratory air sample is analyzed for the presence of at least one α-oxoaldehyde, and the p...
RE38728 Breath test analyzer  
A breath test analyzer, which analyzes exhaled breadths of a patient for isotope labeled products generated in the patient's body after ingestion by the patient of an isotope labeled substance,...
6874502 Breathing circuit disconnect warning system and method for using a disconnect system  
A gas circuit has an outlet and an inlet. Circuit adapters are provided. An anesthesia breathing circuit has tubular breathing circuit hoses, a Y connector and a connecting elbow. The breathing...
6866637 Apparatus and method for the estimation of flow -independent parameters which characterize the relevant features of nitric oxide production and exchange in the human lungs  
The invention provides an estimation of key flow-independent parameters characteristic of NO exchange in the lungs, namely: 1) the steady state alveolar concentration, Calv,ss; 2) the maximum flux...
6854334 Negative inspiratory force manometer apparatus  
The apparatus is connected by tubing to a patient. The apparatus has a manometer on one side in communication with an entrance port conveying ambient air to the patient. A spring loaded cap is...
6840906 Arrangement for the determination of the effective pulmonary blood flow  
The invention relates to a device to determine effective pulmonary blood flow (PBF) by means of partial CO2 rebreathing. The device is characterized in that it comprises an endotracheal tube whose...
6824520 Method and apparatus for tracking usage of a respiratory measurement device  
The present invention is directed to a reusable respiratory measurement device having a discardable flow tube in which a counter is included in a detachable (discardable) memory unit that removably...
6799575 Cannula for the separation of inhaled and exhaled gases  
An improved nasal cannula for isolating, monitoring and measuring the content of a patients exhaled gases. The cannula includes an integral connector that is attached to the wall of a hollow nare...
6792793 Breath measurement instrument and breath alcohol interlock device incorporating same  
A breath measurement instrument using a combination of breath pressure, temperature, and humidity measurements to determine whether or not breath samples are human and properly delivered. Valid...
RE38575 Diagnostic method for diabetes using C-13 labeled pyruvic acid  
The present invention relates to a diagnostic agent for diabetes, which comprises glucose labelled with 13C at a specific position, or pyruvic acid labelled with 13C at least one specific position....
6748792 Impairment detection and interlock system with tester identification  
A system, device, and method for determining whether an individual has consumed, is intoxicated, or is otherwise impaired by alcohol is disclosed. Further, a device capable of positively...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.