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7210480 Shock treatment systems and methods  
According to the invention, methods and devices for increasing cardiopulmonary circulation induced by chest compression and decompression when performing cardiopulmonary resuscitation are provided....
7207947 System and method for detecting circadian states using an implantable medical device  
Techniques are provided for detecting the circadian state of a patient using an implantable medical device based on selected blood carbon dioxide (CO2) parameters. In one example, the implantable...
7162921 Measuring device for measuring the volume flow or the substance properties of a gas, whose direction of flow can reverse  
A device for measuring the volume flow or other substance properties of a gas, whose direction of flow can reverse. The arrangement contains a specially designed Y-piece, which is used for...
7153272 Methods of collecting and analyzing human breath  
The present invention provides methods of collecting and detecting compounds in a human breath sample, comprising: exhaling into a handheld sample collector to absorb at least one breath compound...
7132658 Detection assembly and measuring arrangement for multigas analyzers  
A non-dispersive infrared measuring arrangement for a multigas analyzer is described having a radiation source (10), a measuring chamber (20), a beam splitter (3), at least a first and a second...
7118537 Method and device for collecting and analyzing exhaled breath  
A method and device for collecting, storing, shipping, preparing and analyzing condensate derived from the exhaled breath of a user. Using the mouthpiece (15) of the device (10), a human subject...
7108659 Respiratory analyzer for exercise use  
A respiratory analyzer comprises a flow module, having a flow tube through which the flow rate of gases is determined using a flow rate meter, and a computation module, in communication with the...
7108666 Method and apparatus for performing a forced expiratory maneuver in an infant  
Disclosed is a method and device for performing forced expiratory maneuver in an infant to assess the infant's pulmonary function. Under this method, the infant's lungs are synchronously inflated...
7104963 Method and apparatus for monitoring intravenous (IV) drug concentration using exhaled breath  
A method and system is provided for detecting the depth of anesthesia wherein at least one anesthetic agent is absorbed in a patient's bloodstream during the administration of anesthesia, which...
7101341 Respiratory monitoring, diagnostic and therapeutic system  
Disclosed is a system and method for monitoring, diagnosing, and treating certain respiratory conditions, such as asthma. The system includes a mask apparatus fitted with a pH sensor and...
7101340 Spectroscopic breath profile analysis device and uses thereof for facilitating diagnosis of medical conditions  
A medical diagnostic device for analyzing gases in expired breath. The device includes a spectroscopic analyzer component for obtaining a patient's breath concentration profile; a computer operably...
7089932 Respiration monitoring equipment  
Respiration monitoring equipment comprises, in one embodiment, a medical face mask (2), adapted to be located adjacent, or to cover a patient's nostrils and/or mouth; a transducer (7) adapted to be...
7083574 Non-invasive device and method for the diagnosis of pulmonary vascular occlusions  
The invention involves a device and method for ascertaining the functioning of the respiratory system and determining whether a pulmonary embolism is present. The device comprises an apparatus...
7074196 Algorithms, systems, and methods for estimating carbon dioxide stores, transforming respiratory gas measurements, and obtaining accurate noninvasive pulmonary capillary blood flow and cardiac output measurements  
Methods for estimating the volume of the carbon dioxide stores of an individual's respiratory tract include determining a carbon dioxide store volume at which a correlation between corresponding...
7070570 Method and means of physiological monitoring using sonification  
The invention resides in a respiratory sonification monitoring method and system for monitoring respiration in a subject including the use of capnometric means for measuring carbon dioxide...
7070569 Non-invasive determination of conditions in the circulatory system of a subject  
A method for non-invasively determining functional cardiac output (FCO) and/or venous blood CO2 partial pressure (PvCO2). The amount of CO2 (VCO2N) released from the blood and end capillary blood...
7063668 Method and arrangement for acoustic determination of moisture content of a gas mixture  
A mechanical breathing aid has first and second inlets respectively connectable to a source of air and a source of oxygen. A mixing location is in gaseous communication with the first and second...
7063667 Isotopic gas analyzer  
An NDIR spectrometer based on the use of wavelength specific lamp sources, whose emission spectrum consists of discrete, narrow lines characteristic of the isotope present in the lamp, and which it...
7060036 Respiratory oxygen consumption measuring device and method  
A portable apparatus for calculating respiratory oxygen consumption comprising a housing having a fluid inlet, a flow sensor, mounted within the housing, an oxygen sensor and means for calculating...
7052468 Method and apparatus for detecting environmental smoke exposure  
The present invention includes a method and apparatus for detecting exposure to environmental tobacco smoke by analyzing a sample of breath using electronic sensor technology, including surface...
7052470 Breathing detection/confirmation device  
A breath detection/confirmation device includes a sensor for determining if an infant or other person is breathing, and a means for generating a human perceptible signal in response thereto. In...
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...