| Entries |
| Document | Title | Date |
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| 20080200824 | Devices, systems, and methods for aiding in the detection of a physiological abnormality - The present invention includes a system and device for aiding in the diagnosis of a physiological abnormality resulting in detectable, measurable variations in contents of breathed air. The system includes a handheld unit defining an airway, wherein the airway includes a plurality of sensors adapted to measure a plurality of parameters related to the presence of a physiological abnormality. The system further includes a control unit remotely connected to the handheld unit. The control unit includes a controller adapted to receive input signals from the handheld unit and remit output signals in response thereto. The output signals are usable by a user in determining the presence or absence of a physiological abnormality. The control unit further also can include a display adapted to display the output signals to a user thereby easing the determination of the physiological abnormality. The system further includes a mouthpiece selectively connectable to the handheld unit. The mouthpiece can include a filter adapted to substantially prohibit the passage of germs into the airway of the handheld unit. | 08-21-2008 |
| 20080200825 | 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 removably receiving at least a portion of the sample cell. The sample cell is coupled to a sampling tube that is configured to communicate with an airway of an individual. When the sample cell is assembled with the sidestream gas measurement assembly, a window of the sample cell is oriented toward a corresponding source and/or detector of the sidestream gas measurement assembly to facilitate monitoring of an amount of at least one gas or vaporized material in an individual's respiration. | 08-21-2008 |
| 20080208071 | Measurement of Gastric Acid Secretion - A method of measuring the amount of gastric secretion in a mammal involves administering a substance or formulation containing an excess quantity of a water-insoluble carbonate to the mammal to react with acid in the stomach, in which the insoluble carbonate is enriched with at least one isotope selected from | 08-28-2008 |
| 20080214947 | Exhaled Breath Condensate Collection and Assay System and Method - A method and system that provides for minute-to-minute EBC pH monitoring (or for other EBC characteristic monitoring) of a subject that greatly assists in determining the time-course of airway pH changes (or other characteristic changes) in evolving disease processes, and may assist in determining the predictive ability of these tests, as well as determining response to therapy. | 09-04-2008 |
| 20080221469 | FITTING AND FLUID-CONVEYING DEVICE CONNECTED THERETO - A fitting for a fluid-conveying conduit. The fitting includes integrally-formed clamps that can be used to secure the conduit in a locking relationship so that likelihood of leakage and separation of the fitting and the conduit is reduced. In one form, the fitting and conduit can be used as a moisture exchange device. In a more particular form, the conduit wall of the moisture exchange device includes a water-permeable material such that a humidity level in the conduit can be controlled. Since the fitting is formed separately from the end of the conduit to which it is to be attached, fabrication cost and complexity is reduced. | 09-11-2008 |
| 20080228096 | End-Tidal Gas Estimation System and Method - An apparatus and method of indicating the reliability of an end-tidal gas value that includes measuring a plurality of gas concentration values, measuring a plurality of ventilation values, determining an end-tidal gas value from the gas concentration values, determining the degree of ventilatory stability from the ventilation values, and providing an estimate of reliability of the end-tidal gas values using the degree of ventilatory stability. | 09-18-2008 |
| 20080243016 | Pulmonary Artery Pressure Signals And Methods of Using - Embodiments of the invention are related to methods and systems for using a pulmonary artery pressure signal to detect and/or monitor physiological parameters, physiological status, and aspects of disorders and diseases, amongst other things. In an embodiment, the invention includes a method of measuring a pulmonary function parameter of a patient. In an embodiment, the invention includes a method of detecting a sleeping disorder. In an embodiment, the invention includes a method of tracking sleep characteristics of a patient. Other aspects and embodiments are provided herein. | 10-02-2008 |
| 20080243017 | BREATHING SOUND ANALYSIS FOR ESTIMATION OF AIRLOW RATE - Apparatus for use detection of apnea includes a microphone mounted in the ear of the patient for detecting breathing sounds and a second external microphone together with an oximetric sensor. A transmitter at the patient compresses and transmits the signals to a remote location where there is provided a detector module for receiving and analyzing the signals to extract data relating to the breathing. The detector uses the entropy or range of the signal to generate an estimate of air flow while extracting extraneous snoring and heart sounds and to analyze the estimate of air flow using Otsu's threshold to detect periods of apnea and/or hypopnea. A display provides data of the detected apnea/hypopnea episodes and related information for a clinician. | 10-02-2008 |
| 20080262369 | Capnographic Sampling Catheter - The present invention seeks to provide a system for analyzing the exhaled breath of a subject, including a gas analyzer, sensitive to at least one component of the exhaled breath and a gas sampling catheter having a first end and a second end, the first end being in fluid flow communication with the gas analyzer, wherein the gas sampling catheter has a plurality of exhaled breath sampling holes formed therein. | 10-23-2008 |
| 20080262370 | Gas sensor - A method of determining the respiratory function of a subject is disclosed, the method comprising measuring the concentration of water vapour in the gas stream exhaled by the subject, and from the measured water vapour concentration determining the respiratory function of the subject. Mathematical techniques for analyzing the data obtained from the measurement of concentrations of gaseous components in an exhaled gas stream are also disclosed and their use in determining the lung function of a subject. | 10-23-2008 |
| 20080275355 | Method For Diagnosing An Infectioin Condition - A method and an apparatus for determining an infection condition in an organism by measuring the level of nitrous oxide present in a gas sample taken from the organism. In one embodiment the nitrous oxide content of a gas sample is measured to diagnose systemic inflammatory response in a living organism. In an alternative embodiment, the nitrous oxide level of a gas sample taken from a living organism may be compared the with an expected nitrous oxide level for a healthy organism or with a prior measured nitrous oxide level of the living organism to diagnose the presence or absence of an infection in the living organism. A method and apparatus for determining response to a course of therapy is provided. The method and apparatus compares the nitrous oxide levels of a living organism before and after the administration of a therapy to the living organism to determine a response to the therapy. | 11-06-2008 |
| 20080294059 | System and Method for Determining a Time When the Blood Alcohol Concentration Has Passed a Threshold Level - A system operable to determine a future point of time, at which the alcohol concentration in blood of a user is less than a threshold value. The system includes an alcohol sensor operable to detect a current alcohol concentration in blood of the user, and a portable apparatus. The alcohol sensor and the portable apparatus comprises each a wireless communication apparatus. The wireless communication apparatus in the alcohol sensor is operable to wirelessly transmit the current alcohol concentration to the wireless communication apparatus in the portable apparatus. | 11-27-2008 |
| 20080300500 | APNEA DETECTION USING A CAPNOGRAPH - A method for diagnosis includes receiving a signal indicative of a partial pressure of CO | 12-04-2008 |
| 20080300501 | Fluid Analyser - A gas analyser ( | 12-04-2008 |
| 20080319334 | NASAL MASK FOR CARBON DIOXIDE GAS MEASUREMENT - A nasal mask is adapted to attached on a face of a subject so as to cover a nose of the subject. A shell has a contact edge adapted to be brought into close contact with the face of the subject, thereby forming a sealed space therein. An attachment portion is disposed in the shell and has an inner space. The attachment portion is configured to detachably engage with a sensor disposed outside the shell and operable to measure concentration of carbon dioxide gas expired from the nostrils. A guide member is disposed inside the shell and forming a passage adapted to introduce expired gas from the nostrils into the inner space. The shell is formed with an inlet adapted to introduce external gas into the sealed space. The expired gas is guarded by the guide member from the external gas introduced through the inlet. The attachment portion is formed with an outlet adapted to discharge the expired gas from the inner space to the sealed space. | 12-25-2008 |
| 20090024047 | DEVICES AND METHODS FOR RESPIRATION THERAPY - Embodiments of the invention are related to devices and methods for respiration therapy, amongst other things. In an embodiment, the invention includes a system for providing respiration therapy to a patient, including an implantable device comprising a chronically implanted respiration sensor, the respiration sensor configured to generate a signal indicative of respiration rate of the patient; and an external interface device in communication with the implantable device, the external interface device comprising an output device and configured to deliver respiration therapy to the patient, the respiration therapy comprising one or more breathing prompts generated by the output device. In an embodiment, the invention includes a method for providing respiration therapy to a patient. In an embodiment, the invention includes a method of monitoring a heart failure patient for decompensation events. Other aspects and embodiments are provided herein. | 01-22-2009 |
| 20090043219 | MONITORING SYSTEM FOR CARDIAC SURGICAL OPERATIONS WITH CARDIOPULMONARY BYPASS - A monitoring system for cardiac operations with cardiopulmonary bypass comprising: a processor operatively connected to a heart-lung machine; a pump flow detecting device connected to a pump of the heart-lung machine to continuously measure the pump flow value and send it to the processor; a hematocrit reading device inserted inside the arterial or venous line of the heart-lung machine to continuously measure the blood hematocrit value and to send it to the processor; a data input device to allow the operator to manually input data regarding the arterial oxygen saturation and the arterial oxygen tension; computing means integrated in the processor to compute the oxygen delivery value on the basis of the measured pump flow, the measured hematocrit value, the preset value of arterial oxygen saturation, and the preset value of arterial oxygen tension; and a display connected to the processor to display in real-time the computed oxygen delivery value. | 02-12-2009 |
| 20090054798 | RESPIRATION MONITOR AND METHOD OF ITS OPERATION - An apparatus for monitoring the respiration of a subject, the apparatus comprises means for detecting the concentration of each of oxygen, carbon dioxide and nitric oxide in an inspired and/or exhaled gaseous stream of a subject; and a display for displaying the concentration of each of oxygen, carbon dioxide and nitric oxide. A method for monitoring the respiration of a subject comprises analysing the composition of the inspired and/or exhaled gas of the subject and determining the concentration of carbon dioxide, oxygen and nitric oxide in the gas; and displaying the results of the analysis on a display to provide an indication of the respiratory state of the subject. A method of determining the extent of resuscitation of a patient comprises measuring the concentration of carbon dioxide, oxygen and nitric oxide in the inspired gas stream and/or exhaled gas stream of the subject. | 02-26-2009 |
| 20090054799 | Biosensor system with a multifunctional portable electronic device - Some embodiments of the invention provide a biosensor system with a multifunctional portable electronic device for use by an individual. The biosensor system includes a breath delivery system with a breath sensor capable of detecting an analyte in the individual's breath. The system also includes a portable electronic device capable of receiving breath analyte data from the breath sensor and blood glucose data or other types of personal health data. The portable electronic device is capable of storing, analyzing, and/or transmitting the breath analyte data and the blood glucose data or the other types of personal health data. | 02-26-2009 |
| 20090088656 | FLUID DRYING MECHANISM - There is provided an exhaled breath moisture reduction system including a dryer mechanism and a connector adapted to connect the dryer mechanism proximate to a respiratory output device. There is also provided an exhaled breath sampling assembly including an airway adaptor and a moisture reduction sleeve comprising a material adapted to reduce moisture and a connector adapted to connect said sleeve substantially adjacent to a breath sampling inlet within the adaptor. Also provided, a method of sampling breath which includes attaching an exhaled breath moisture reduction sleeve substantially adjacent to a breath sampling inlet. | 04-02-2009 |
| 20090088657 | SENSOR FOR MEASURING CARBON DIOXIDE IN RESPIRATORY GAS - A sensor main unit | 04-02-2009 |
| 20090099471 | Disordered Breathing Monitoring Device And Method Of Using Same Including A Study Status Indicator - An apparatus and associated method for collecting data for a sleep study. The apparatus includes a sensor adapted to collect data relating to a parameter of a user of the apparatus over a period of time, and a controller operatively coupled to the sensor. The controller is adapted to: (a) receive configuration information specifying a predetermined amount of valid data that is required for a sleep study to be deemed valid, (b) receive the data relating to the parameter and determine an amount of the received data that is valid, and (c) cause a study status indicator to be output by the apparatus based on the amount of the received data that is determined to be valid and the predetermined amount specified in the configuration information. | 04-16-2009 |
| 20090112115 | Apparatus for detecting human's breathing - An apparatus applied to detect the human breath gas, including a substrate which carries a circuit module, a CNT-based (carbon nanotube) gas sensing element, a wireless transmission/receiver module, and a power supplier, etc. and a clamp structure that could be clamped on the columella between the nostrils. The detectable gas also includes the bioaerosol in the gas. The CNT-based gas sensors react with the breath air and detect whether the specific gas and bioaerosol in the air or not while breathing in and out and the temperature of the air could be measured. This invention can measure the electric response of the CNT-based gas sensor, process the signal by the circuit module and transmit the processed signal to the wireless receiver by wireless transmission/receiver module. And the wireless signal receiver will differentiate the species, concentration and temperature of the gas and provide a warning signal while the specific gas or bioaerosol is detected. The apparatus is portable and has the functions of rapid response and high sensitivity. | 04-30-2009 |
| 20090118632 | Effort-Independent, Portable, User-Operated Capnograph Devices And Related Methods - An effort-independent, portable, user-operated capnograph device for evaluating a pulmonary status of a user. At least one baseline measurement is stored within a memory of the capnograph device. The identity of a user of the capnograph device is verified to prevent miss-use. Concentrations of carbon dioxide (CO2) exhaled by the user when breathing normally are sensed and stored within the memory. The stored data is compared with the at least one of the baseline measurements to determine the pulmonary status of the user, and the determined pulmonary status is indicated to the user. | 05-07-2009 |
| 20090118633 | End-Tidal Gas Estimation System and Method - An apparatus and method of using an end-tidal gas value taken from an non-intubated patient that includes measuring a plurality of gas concentration values, determining an end-tidal gas value from the gas concentration values, and reporting the end-tidal gas value for a breath as the greater of either: (a) a maximum gas concentration values observed during such a breath, or (b) the end-tidal gas value reported for a previous breath decreased by a maximum allowable breath-to-breath percent change. | 05-07-2009 |
| 20090124918 | Apparatus For Spectroscopically Analyzing A Gas - The invention relates to an apparatus for spectroscopically analysing a gas, said apparatus having at least one radiation source ( | 05-14-2009 |
| 20090131810 | Breath test device and method - There is provided a method of evaluating a liver condition of a subject, the method includes computing a fluctuation parameter from a liver breath test based on at least one of a percentage dose recovery (PDR) curve and a delta over baseline (DOB) curve of an isotope labeled methacetin, or a salt or a derivative thereof, and evaluating at least one liver condition of the subject, based at least on the fluctuation parameter. There is provided herein a method of evaluating a liver condition of a subject, the method includes computing a hepatic impairment score based at least on a breath test related parameter and on a demographic parameter. | 05-21-2009 |
| 20090143694 | Automated interpretive medical care system and methodology - Improved apparatus and methods for monitoring, diagnosing and treating at least one medical respiratory condition of a patient are provided, including a medical data input interface adapted to provide at least one medical parameter relating at least to the respiration of the patient, and a medical parameter interpretation functionality ( | 06-04-2009 |
| 20090187111 | GAS ANALYZER - The subject invention is directed to a breath analyzer which is capable of detecting toxic gas levels from breath analysis. The subject invention includes a mouthpiece which is in communication with a plurality of discrete chambers, such as first and second discrete chambers, each being provided with a separate probe for breath analysis. The probes are connected to analyzers for determining detected levels of gas. In a first embodiment, a first probe may be provided for carbon monoxide detection with a second probe being provided for hydrogen cyanide detection. Advantageously, with this arrangement, breath analysis may be conducted on-site, for example at the site of a fire, to quickly and simultaneously determine carbon monoxide and hydrogen cyanide levels in a person's blood stream. In a second embodiment, a first probe may be provided for detection of carbon monoxide and a second probe may be provided for detection of hydrogen. With this arrangement, a calibrated correction of measured carbon monoxide data can be made to correct for improperly detected hydrogen. As such, a highly accurate on-site measurement for carbon monoxide can be achieved. | 07-23-2009 |
| 20090247890 | SOLID STATE MYOCARDIAL INFARCTION DETECTOR - The disclosure, according to one embodiment, relates to a breath analyzer device for detecting concentration of a marker, such as pentane, in air exhaled by a patient. The device may include a detector having a solid state sensor able to detect pentane in a concentration of between 1 nmol/l to 5 nmol/l in air exhaled by a patient. The solid state sensor may include a carbon nanotube. The breath analyzer may include a body having a breath detection channel in which the detector is located, a display, and a power source. The disclosure also relates to a method of detecting myocardial infarction in a patient by detecting pentane in exhaled air from the patient. | 10-01-2009 |
| 20090247891 | NITRIC OXIDE MEASUREMENTS IN PATIENTS USING FLOWFEEDBACK - The present invention provides a method for measuring FeNO in a subject, wherein the FeNO data derived from a subject patient is normalized to compensate for variations of FeNO with flow rate. | 10-01-2009 |
| 20090275851 | Endoscopic Bite Block - According to a preferred embodiment of the present invention there is provided a bite block assembly adapted for capnography and oxygen delivery to a subject, the bite block assembly including a first capnography passageway adapted for passage therethrough of exhaled breath from the subject to a capnograph and a second oxygen delivery passageway, separate from the first passageway, adapted for passage therethrough of oxygen from an oxygen source to the mouth of the subject. | 11-05-2009 |
| 20090275852 | EXHALED BREATH ANALYSIS METHOD - Handling of the condensate collecting vessel in conventional breath analysis apparatuses having a cold condensation mechanism is complicated, and time consuming. | 11-05-2009 |
| 20090281442 | BREATH AEROSOL MANAGEMENT AND COLLECTION SYSTEM - Aerosol collectors | 11-12-2009 |
| 20090281443 | DEVICE FOR TAKING AND ANALYZING BREATHING GAS SAMPLES - A device provided for taking and continuously analyzing and monitoring breathing gas samples from defined, current phases of breathing of a patient is equipped with a breathing gas line ( | 11-12-2009 |
| 20090299208 | FLOW MEASUREMENT SYSTEM AND BIOLOGICAL INFORMATION MONITOR - A flow measurement system includes: a respiration monitoring apparatus which measures a flow of a gas flowing through a flow path, to output a measurement value; and a gas monitoring apparatus which samples the gas to measure at least one of a concentration of a component of the gas and a component of the gas and to generate information on the flow of the sampled gas. The measurement value is corrected based on the information. | 12-03-2009 |
| 20090306527 | Method of Exhaled Gas Measurement and Analysis and Apparatus Therefor - An exhalation collected in a breath bag capable of expanding and contracting is sucked into a gas inlet vessel | 12-10-2009 |
| 20090318823 | Air sampling apparatus and methods - An air sampling apparatus is disclosed, including a closed loop system for extracting air to be sampled into an analysis device such as a gas chromatograph, which is further coupled to an output. The closed loop sample extraction method reduces contaminants that can otherwise be introduced into air samples. | 12-24-2009 |
| 20100004554 | Multi-functional, discrete and mutually exclusive method for determining the parameters of gases in a gaseous mixture and the device for realizing the proposed method - Method and device for detection and quantitative and qualitative analysis of components in a gaseous mixture distinguished by high selectivity and high resolution. | 01-07-2010 |
| 20100004555 | APPARATUSES AND METHODS FOR EXTRACTING CHEMICALS FROM THE ORAL CAVITY AND BREATH - The present disclosure generally pertains to chemical extraction apparatuses and methods for extracting volatile, semi-volatile, and non-volatile chemicals from a user's oral cavity. In one exemplary embodiment, a chemical extraction apparatus is composed of absorbent material, which is positioned within the oral cavity of a user for a period of time. Volatile, semi-volatile, and non-volatile chemicals are extracted from the breath and saliva of the user. By keeping the absorbent material in the oral cavity for an extended period of time, such as several minutes or hours depending on the types of materials selected, even trace levels of a chemical can be concentrated in the absorbent material thereby enabling conventional analytical techniques to detect the chemical. | 01-07-2010 |
| 20100016750 | Pattern Recognition System for Classifying the Functional Status of Patients with Pulmonary Hypertension, Including Pulmonary Arterial and Pulmonary Vascular Hypertension - A method employing pattern recognition techniques for identifying the functional status of patients with Pulmonary Hypertension is described. This method describes a process by which sets of cardiopulmonary exercise gas exchange variables are measured during rest, exercise and recovery and stored as unique data sets. The data sets are then analyzed by a series of feature extraction steps, yielding a multi-parametric index (MPI | 01-21-2010 |
| 20100036273 | Breath Test Device and Method - The disclosure relates breath test devices and methods for the evaluation of liver functional and metabolic capacity or to assess liver heath and/or degree of liver injury. Specifically, there is provided a method of evaluating a liver condition, the method includes on-line monitoring a metabolic product of methacetin, a salt or a derivative of methacetin, in a subject's breath after administering to the subject isotope labeled methacetin, a salt or a derivative thereof in water solution form. There is also provided a device for evaluating a liver condition, the device includes one or more sensors adapted to monitor on-line an isotope level of a metabolic product of labeled methacetin, or a salt or a derivative of methacetin in a subject's breath and a controller adapted to sample measurements of the one or more sensors at a continuous mode. | 02-11-2010 |
| 20100036274 | 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 amount of a first breath stable isotope to a second breath stable isotope therein over time. A quick change in the isotope ratios within several hours from the likely infection is indicative of a bacterial infection. A delayed change in the isotope ratios, followed by periodic repeated alterations in the ratios, is indicative of viral infection. The methods are particularly efficient when using cavity ringdown spectroscopy for the monitoring. They may be used for monitoring a patient already admitted to a hospital, or for monitoring a patient initially complaining of adverse symptoms, or for triage, or for collectively monitoring a population of animals. | 02-11-2010 |
| 20100063408 | Breathalyzer having pivoted mouthpiece - A breathalyzer includes a housing and incorporates a mouthpiece pivotally mounted in the housing and movable between a first, retracted position for reducing the exposure of the mouthpiece to damage and contaminants and a second, extended position for receiving exhaled breath of a person. | 03-11-2010 |
| 20100063409 | INTERACTIVE ALCOMETRY - The invention relates to method and apparatus for the determination of alcohol concentration of expired air. By visualising current or accumulated measuring value and error in real time during ongoing measurement, interactive control of alcohol determination is enabled with respect to accuracy and time lapse. Preferably the measurement is performed without contact with compensation for the dilution of the breath sample, which is performed by simultaneous measurement of temperature, concentration of water vapour or carbon dioxide. The method is divided into a stepwise procedure based on the dependence of the measuring error on the dilution of the expired air, and accumulated time, both being possible to influence by the test person or operator. Special advantages are being obtained at measurements relative to a concentration limit. The alcohol determination is preferably performed by means of absorption spectroscopy within the infrared wavelength range. The apparatus according to the invention includes sensors for the abovementioned entities, an electronic unit for signal and data processing, a presentation unit, and is embedded in a compact housing for handheld use or integration. The response time of the sensors should not exceed 0.5 seconds in order to fulfil the requirement of real time operation. The housing is controllably openable at measurement, and includes a measuring cell illuminated with collimated infrared radiation and means for active air flow. | 03-11-2010 |
| 20100063410 | Method and system for measuring lung tissue damage and disease risk - This invention relates to a method, system, and devices relating to quantitatively measuring regional lung tissue damage by combining the CT scan measurements of the mineral density deviations and/or mineral composition deviations in airway tissue, with the measurements of airflow lung function measurements. | 03-11-2010 |
| 20100069770 | END-TIDAL CO2 MONITORING TUBE HOLDER - Devices for attaching medical tubing to a nasal cannula are provided. Such devices may comprise a body having a distal end and a proximal end, a connector disposed on the body and adapted to releasably attach the body to the nasal canulla, and one of the following: at least one tube holding member extending along at least one surface of the body and adapted to accept the medical tubing, or at least one body channel extending through the body and having an outlet at the distal end of the body, and a tube connector attached to the proximal end of the body and adapted to fluidly connect the medical tubing the at least one channel. | 03-18-2010 |
| 20100081955 | Sampling Circuit for Measuring Analytes - This disclosure describes an apparatus and method for measuring analytes in exhaled air. The device contains an inlet through which exhaled air is received. A tube, having a number of different paths running throughout the device, is coupled to the inlet which enables the exhaled air to be re-circulated through the device. At least one portion of the tube is configured in a non-linear fashion. This particular portion of the tube may be used to temporarily store a sample of the exhaled air. The device also contains a converter configured to partially convert an analyte in the exhaled breath from a first state to a second state as the exhaled air is being re-circulated. An analyte sensor is also included to measure the levels of the converted analyte in the exhaled breath. | 04-01-2010 |
| 20100081956 | Method, composition, and system to control pH in pulmonary tissue of a subject - Methods, pharmaceutical compositions, and systems are provided which include a method for treating a pulmonary viral infectious disease in a subject. The method includes administering a pharmaceutical composition including at least one agent to a pulmonary tissue of the subject, wherein the pharmaceutical composition is administered as two or more distinct and non-overlapping particle size ranges configured to contact two or more levels of pulmonary tissue of the subject, wherein the at least one agent is configured to achieve a selected pH range in the two or more levels of pulmonary tissue of the subject. | 04-01-2010 |
| 20100081957 | Method, device, and system to control pH in pulmonary tissue of a subject - Methods, systems, and devices are provided which include receiving data or providing data, wherein the data regards a physical condition affecting one or more subjects. The data can inform administration of a pharmaceutical composition in response to the physical condition, wherein the pharmaceutical composition is configured to contact pulmonary tissue to treat a pulmonary disease or condition in the one or more subjects. The data regarding the physical condition may be acquired prior to the subject entering an environment where the physical condition exists. | 04-01-2010 |
| 20100099999 | ORAL END TIDAL CARBON DIOXIDE PROBE - In embodiments of the present invention improved capabilities are described for evaluating pulmonary embolism. A system and method of evaluating pulmonary embolism in a subject may include measuring end tidal partial pressure of exhaled carbon dioxide in the subject, wherein the measurement is made orally, obtaining a clinical approximation of dead space ventilation based on the measurement, and excluding pulmonary embolism when the end tidal partial pressure of exhaled carbon dioxide reaches a threshold. | 04-22-2010 |
| 20100106039 | Unknown - Example embodiments relate to a device for measuring nitrogen monoxide in exhaled air by a gas sensor unit with at least one gas sensor. A device and/or method for oxidation of nitrogen monoxide to nitrogen dioxide may be included. The device and/or method for oxidation of nitrogen monoxide to nitrogen dioxide includes a non-consuming catalyst for catalyzing the oxidation of nitrogen monoxide to nitrogen dioxide. | 04-29-2010 |
| 20100113955 | ORAL-NASAL CANNULA SYSTEM ENABLING CO2 AND BREATH FLOW MEASUREMENT - An oral-nasal cannula comprising at least one nasal breath inlet for carbon dioxide (CO | 05-06-2010 |
| 20100121210 | METHOD AND DEVICE FOR DETECTION OFANALYTE IN VAPOR OR GASEOUS SAMPLE - A method and system for electrochemical detection of an analyte in a vapor or gas sample is provided. The method and system include exposing a vapor or gas sample to an electrochemical sensor comprising one or more electrodes and a coating that surrounds the one or more electrodes, which coating is capable of partitioning the analyte directly from the vapor or gas sample. The method and system include detecting an oxidation/reduction current during the exposing, wherein the detected current relates to a concentration of analyte in the vapor or gas sample. | 05-13-2010 |
| 20100137731 | NANOELECTRONIC CAPNOMETER ADAPTER INCLUDING A NANOELECTRONIC SENSOR SELECTIVELY SENSITIVE TO AT LEAST ONE GASEOUS CONSITUTENT OF EXHALED BREATH - A capnometer adaptor includes a nanostructure sensor configured to selectively respond to a gaseous constituent of exhaled breath, such as to carbon dioxide. In certain embodiments, the adaptor includes an airway adaptor having at least one channel configured for the passage of respiratory gas; at least one nanostructure sensor in fluid communication with the passage, the sensor configured to selectively respond to at least one gaseous constituent of exhaled breath comprising carbon dioxide; and electronic hardware connected to the nanostructure sensor and configured to provide a signal indicative of a response of the sensor to the at least one gaseous constituent of exhaled breath. The sensor may be provided as a compact and solid-state device, and may be adapted for a variety of respiratory monitoring applications. | 06-03-2010 |
| 20100137732 | GAS ANALYZING UNIT AND AIRWAY ADAPTER - An airway adapter. The airway adapter has a sampling chamber for allowing a respiratory gas flow. The airway adapter also has a sensor for acquiring a signal needed for a respiratory gas analysis. The sensor is integrated into the airway adapter and which sensor comprises an electrolyte being in contact with the respiratory gas flowing in the sampling chamber and which electrolyte contact with the respiratory gas is a basis for respiratory gas analysis. | 06-03-2010 |
| 20100137733 | BREATH ANALYSIS SYSTEMS AND METHODS FOR ASTHMA, TUBERCULOSIS AND LUNG CANCER DIAGNOSTICS AND DISEASE MANAGEMENT - Methods and systems are disclosed for the detecting of whether a subject has a lung disorder such as asthma, tuberculosis or lung cancer. Monitoring the subject's health and prognosis is also disclosed. | 06-03-2010 |
| 20100152599 | ORAL APPLIANCE COMPLIANCE MONITORING SYSTEM - An oral appliance compliance monitoring system and method comprises an oral appliance suitable for wearing in a patient's oral cavity during sleeping periods, the oral appliance having one or more sensors measuring a variety of conditions such as oxygen saturation levels in the oral cavity mucosa. The data generated by the sensor is continuously transmitted to a local scanner which is in communication with a central computer. The computer interprets the data to determine if the patent is wearing the oral appliance in compliance with a prescribed treatment regimen for breathing-related sleep disorders. Remotely located computers are authorized to receive the streamed data to enable remote monitoring of compliance in real time by a plurality of patients with treatment regimens. | 06-17-2010 |
| 20100168599 | RESPIRATORY COMPONENT MEASUREMENT SYSTEM WITH INDICATING ELEMENTS - A respiratory component measurement system that includes an airway adapter adapted to be placed in fluid communication with an airway of a patient and a sensor element in physical communication with the airway adapter. The sensor element is adapted to detect an orientation related characteristic of the airway adapter, a motion related characteristic of the airway adapter, or both. A respiratory component sensor is also adapted to be disposed on the airway adapter so as to measure a characteristic associated with a flow of gas through the airway adapter. An indicating element coupled to the respiratory component sensor is adapted to output a representation of the orientation related characteristic. | 07-01-2010 |
| 20100185112 | DEVICE FOR ANALYSING AN INFLAMMATORY STATUS OF A RESPIRATORY SYSTEM | 07-22-2010 |
| 20100198095 | DEVICE,GAS MIXTURE AND METHOD FOR LUNG DIAGNOSIS - The invention relates to a lung diagnostic device, namely one for determining the ventilation homogeneity (VH) of a spontaneously breathing or artificially respirated patient as well as a gas mix for use in such a device. In this respect the difference in the composition of the exhaled test gas from the composition of the inhaled test gas serves for the evaluation of the ventilation homogeneity. | 08-05-2010 |
| 20100198096 | ENDOSCOPIC BITE BLOCK WITH ENHANCED POSITIONS - An endoscopic bite block comprising a tubular body having an upper outer surface and a lower outer surface; a front plate having an upper section and a lower section, said upper section being disposed outwardly relative to said lower section, to enable appropriate lip fitting; a teeth positioning region on at least one of said upper and lower outer surfaces; and a nasal gas channel selected from the group consisting of: a breath sampling prong and a gas delivery channel, wherein said teeth positioning region and the disposition of said sections of the front plate are configured to maintain said endoscopic bite block in a predetermined, upright position within a mouth of a subject, to enable a correct position of said nasal gas channel in relation to a nose of the subject. | 08-05-2010 |
| 20100222691 | Method and Means for Indication of Life Function - The present invention refers to a method and a device for indication of the percentage of carbon dioxide in a person's exhaled air, when breathing occurs through a means conducting the air flow. According to the invention, a means for determining the percentage of carbon dioxide is fixed or removably connected to the means conducting the air flow. The percentage of carbon dioxide is established with regard to a lower and/or an upper boundary during determined time intervals. In presented designs of the invention, the lower boundary is 2% and the upper boundary is 7% and the time interval is 2-10 seconds. The device contains, for example, a means to indicate if the upper boundary is exceeded or if the value falls below the lower boundary at any point during the entire time interval, which can be implemented through an alarm with an audio or light signal. | 09-02-2010 |
| 20100222692 | APPARATUS AND METHOD FOR DELIVERY OF AN AEROSOL - An apparatus for measuring lung ventilation, comprising: a pressure device to measure volume of air flow; an aerosol-generating device that provides aerosol particles to be released at a determined point in a breathing cycle; a mouthpiece with a detector that measures the concentration of aerosol particles for a given volume during the breathing cycle; and a computing device configured to provide lung ventilation data as a function of time constants. | 09-02-2010 |
| 20100228141 | Tamper resistant receptacle where access is actuated by breath samples and method of manufacturing the same - A sealing apparatus including an inlet for receiving a first breath sample from a user for fastening the sealing apparatus to an external device, the first breath sample including a plurality of organic compounds or molecules, a select combination of the plurality of organic compounds or molecules being used to create a unique breath profile; and a module for analyzing and storing the first breath sample as the unique breath profile; wherein the inlet further receives a second breath sample and compares the second breath sample with the first breath sample to determine whether access to the external device is permitted. | 09-09-2010 |
| 20100241019 | EXHALED BREATH CONDENSATE BIOMETRIC MARKER MEASUREMENT APPARATUS AND METHOD - The present invention includes an apparatus and a method for testing exhaled breath condensate for at least one biometric marker, including a substrate for collecting exhaled breath condensate, the substrate capable of being brought to a temperature below a dew point of vapor in exhaled breath, a collector for retaining the substrate and for receiving a biometric marker reagent. The invention may further include receiving exhaled breath in a collector, the collector comprising a substrate, the substrate being at a temperature below a dew point of vapor in exhaled breath, collecting the exhaled breath condensate on the substrate, and bringing a biometric marker reagent in contact with the substrate. | 09-23-2010 |
| 20100249631 | RESPIRATORY WAVEFORM ANALYZER - A respiratory waveform analyzer, operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator which generates a concentration signal based on an output signal from a sensor that is placed to measure the concentration of the component; a flatness calculator which calculates a flatness indicative of flat degree of the respiratory waveform based on a temporal change of the concentration signal; and a reliability calculator which calculates a reliability of the respiratory waveform based on the flatness and the concentration signal. | 09-30-2010 |
| 20100262033 | ENDOSCOPIC BITE BLOCK - There is provided herein, a bite block ( | 10-14-2010 |
| 20100262034 | GAS COMPONENT DETECTION DEVICE - There is provided a gas component detection device including: a gas introduction unit for introducing a specimen gas; a gas separation unit connected to the gas introduction unit; a flow path switching unit connected to the gas separation unit and having a plurality of connection flow paths for switching a flow path that is connected to the gas separation unit to any one of the plurality of connection flow paths; and a gas detection unit provided in at least one of the plurality of connection flow paths. The gas separation unit is preferably formed of a chromatography column having therein a flow path having a width and depth of micro order. | 10-14-2010 |
| 20100268106 | BREATH CONDENSATE SAMPLER AND DETECTOR AND BREATH/BREATH CONDENSATE SAMPLER AND DETECTOR - The present invention provides a direct sampler and detector for analytes found in exhaled breath condensate. Analytes in the breath condensate are detected instantaneously as they condense prior to reaching the sensor surface or condense directly on the sensor surface. Because the analysis or assay is performed immediately after patient exhalation, analyte stability is significantly improved providing accurate, reliable, consistent, and clinically applicable results. In certain embodiments, combined breath condensate/breath samplers and detectors are provided, enabling multiplexed analysis of condensed and vapor-phase analytes provided in a single sampling session. Breath is collected and directed to one or more subsystems. Within each subsystem, the breath portion is either condensed or prevented from condensing. The technique also allows real-time continuous monitoring, thus allowing immediate feedback to both medical professionals and additional hardware such as ventilators, anesthesia machines, drug infusion systems and cardiac pacemakers. | 10-21-2010 |
| 20100286544 | METHODS AND DEVICES FOR ASSESSMENT OF PNEUMOSTOMA FUNCTION - A pneumostoma assessment and treatment system includes methods and devices for aftercare of a pneumostoma. In particular, methods and devices are provided for standardized monitoring and assessment of pneumostoma patency thereby facilitating the establishment of standards-based protocols for pneumostoma management. Methods of standardized pneumostoma patency assessment includes the use of devices for raising alveolar pressure to a controlled repeatable pressure above ambient while analyzing gas flow through the pneumostoma. In response to an assessment the functionality of the pneumostoma, the tissues of the pneumostoma may be treated with a treatment device utilizing one or more different modalities to preserve or enhance the health and function of the pneumostoma. | 11-11-2010 |
| 20100305464 | NEONATAL COLORIMETRIC CARBON DIOXIDE DETECTOR - An application for a neonatal calorimetric carbon dioxide detector has a calorimetric carbon dioxide detector membrane having a pH-sensitive chemical indicator that undergoes calorimetric change in the presence of carbon dioxide. The detector has a patient orifice in fluid communication with the baby's airway and a respiration equipment orifice connected to a breathing system. The patient orifice is connected to a breathing tube and when the breathing tube is inserted correctly into the trachea, as the baby exhales, carbon dioxide interacts with the calorimetric membrane which changes color based upon the concentration of carbon dioxide. The neonatal calorimetric carbon dioxide detector adds a volume of less than or equal to 1 mL after being attached to a breathing circuit. | 12-02-2010 |
| 20100312133 | APPARATUSES AND METHODS FOR EXTRACTING CHEMICALS FROM BODILY CAVITIES AND BREATH - A chemical extraction apparatus has absorbent material for absorbing or adsorbing volatile chemicals from a breath of a user. The chemical extraction apparatus is positioned within such that breaths from the user flow over the absorbent material thereby causing volatile chemicals in the breaths to absorb or adsorb into the absorbent material. The absorbent material is then analyzed to determine the amount of chemicals absorbed or adsorbed into the absorbent material. Based on such analysis, various diseases or conditions can be detected or diagnosed. | 12-09-2010 |
| 20100312134 | Apparatus for Evaluation of a Device for Measuring Lung Diffusion Capacity - A test apparatus for evaluating a measuring device for measuring a diffusion capacity of a person's lungs by measuring a change of concentration of a gas species in a mixture, when the mixture is inhaled and subsequently exhaled by a person, wherein the test apparatus includes (a) a port for connecting to the measuring device; (b) a compartment coupled to the port; (c) a circulation circuit configured to circulate gas from the compartment back to the compartment; and (d) a gas species removing element configured to selectively reduce a partial pressure of the gas species at a point in the circulation circuit. | 12-09-2010 |
| 20100317986 | CAPNOGRAPHY DEVICE AND METHOD - There is provided a method for dynamically determining a breath related parameter, which includes averaging a breath related parameter over a first period of time, calculating a breath related value over a second period of time and adapting the duration of the first period of time according to the calculated breath related value. | 12-16-2010 |
| 20100324439 | HIGH FREQUENCY AIRWAY OSCILLATION FOR EXHALED AIR DIAGNOSTICS - The present invention relates to noninvasive methods for obtaining exhaled breath condensate (EBC) samples from the airways and lungs of a subject for use in diagnosing various conditions and diseases associated with biomarkers present in EBC, including diagnosis of lung cancer. The methods of the subject invention include generating and/or applying an oscillating airflow to a subject during inhalation and/or exhalation to induce increased concentration of biomarkers in EBC; collecting EBC from exhaled breath; and analyzing the collected EBC for biomarkers associated with disorders and/or diseases. | 12-23-2010 |
| 20110004113 | METHOD FOR CONTROLLING AND/OR REGULATING A TRAINING AND/OR REHABILITATION UNIT - The invention relates to a method for controlling and/or regulating a training and/or rehabilitation unit, wherein a) a sensor unit is used in the flow of inspiration and expiration air of a person or an animal using the training and/or rehabilitation unit, b) physiological parameters of ventilation and/or gas exchange of the person or the animal are determined using the respiratory gas composition and/or breath volume measured using the sensor unit, c) one or more maximum performance variables are determined on the basis of the determined parameters under submaximal loading, using a regression function and/or by limit loading to the maximum performance capability, and d) a resistance or brake arrangement of the training and/or rehabilitation unit is controlled and/or regulated as a function of at least one of the determined maximum performance variables. | 01-06-2011 |
| 20110009762 | PORTABLE PNEUMOTACHOGRAPH FOR MEASURING COMPONENTS OF AN EXPIRATION VOLUME AND METHOD THEREFOR - A portable pneumotachograph for determining components of the expiration volume, comprising a processor ( | 01-13-2011 |
| 20110009763 | EXHALED BREATH SAMPLING WITH DELIVERY OF GAS - A system for sampling exhaled breath and for supply of a gas, the system comprising: a gas delivery cannula comprising at least one nasal prong for insertion into a nostril, the nasal prong comprising a distal end; an exhaled breath sampling cannula for insertion into the nostril, the exhaled breath sampling cannula comprising a distal end; and a connector for coupling the gas delivery cannula to the exhaled breath sampling cannula, such that the distal end of the exhaled breath sampling cannula is disposed deeper in the nostril than the distal end of the nasal prong, to reduce dilution of sampled exhaled breath by delivered gas. The connected is configured to facilitate adjustability of an insertion depth of the exhaled breath sampling cannula into said nostril. | 01-13-2011 |
| 20110009764 | DEVICES, SYSTEMS, AND METHODS FOR AIDING IN THE DETECTION OF A PHYSIOLOGICAL ABNORMALITY - The present invention comprises a method for excluding the presence of a pulmonary embolism using a combination of a blood test for D-dimer and a carboximetry test measuring the ratio of exhaled CO | 01-13-2011 |
| 20110009765 | Methods of Detecting Gaseous Component Levels in a Breath - Method for detecting gaseous component levels in a breath, comprising: receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor; measuring a flow rate of the breath received through the breath channel; measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel; and calculating a current gaseous component level utilizing the flow rate, first time and an output from the gas sensor. Methods for detecting an error condition while measuring gaseous component levels in a breath comprising: determining if the peak output occurs while breath is still being received in the breath channel; and if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition. | 01-13-2011 |
| 20110015534 | AIRWAY ADAPTOR - An airway adaptor includes: an airway case; and an expired gas guiding portion which is connected to the airway case to introduce a respiratory gas to the airway case. The airway case includes: a first respiratory gas flow path in which the respiratory gas flows in a first direction; and a second respiratory gas flow path in which the respiratory gas flows in a second direction opposite to the first direction. | 01-20-2011 |
| 20110021942 | APPARATUS AND METHOD OF ANALYZING CONSTITUENTS OF GAS IN ORAL CAVITY AND ALVEOLAR GAS - An apparatus and a method of analyzing constituents of gas in an oral cavity and exhaled breath is disclosed. The apparatus for analyzing the constituents of gas in the oral cavity and exhaled breath according to the present invention includes a filter to filter the outside gas by adsorbing polar molecules and non-polar molecules in the outside air and by removing water in the outside air in order to use the outside gas as carrier gas. The apparatus can also include a plurality of solenoid valves for controlling the flow of a carrier gas; a sensor for detecting components of the exhaled breath; a pump to draw the gas in the oral cavity or the exhaled breath and the carrier gas and discharge the gases to the outside; a control unit for controlling the components of the apparatus; and a display device to display results calculated by the control unit. | 01-27-2011 |
| 20110028858 | GAS FLOW SYSTEM, ADAPTOR, AND METHOD - An airway adaptor that measures the concentration of at least one of a specific component and the flow rate of a supply gas and a return gas. The airway adapter may include a tube having a flow path in which the supply gas and the return gas passes. The tube may include a first end having a first aperture for guiding the supply gas into the flow path, and second end having a second aperture for guiding the return gas. Further, the airway adapter may include a measurement device operable to measure at least one of the supply gas and the return gas in the air flow path and a partial shielding disposed at the first aperture and structured to shield a portion of the air flow path. The supply gas may be a respiratory gas and the return gas may be inhaled or exhaled breath of a person. | 02-03-2011 |
| 20110046497 | SENSOR PLATFORM FOR RESPIRATORY GAS ANALYSIS - An appliance is disclosed for measuring at least one gas analyte in exhaled air. In at least one embodiment, the appliance includes an inlet opening for the introduction of exhaled air (mouthpiece), at least one measuring chamber for receiving a sensor unit, and a conduit which provides a fluid connection from the opening to the measuring chamber, and wherein, depending on the gas analyte that is to be measured, a sensor unit with a suitable gas sensor can be introduced into the receiver. | 02-24-2011 |
| 20110066060 | APPARATUS AND METHOD FOR DIAGNOSTIC GAS ANALYSIS - A handheld, small but accurate and reliable device for diagnostic NO measurements using a NO sensor, where the parameters governing the taking of the sample are different from the parameters optimal for the accuracy of said NO sensor I described. By temporarily storing a portion of the exhaled air, and feeding this to the sensor at a flow rate adapted to the NO sensor, the accuracy and sensitivity of a system/method involving NO sensors, in particular electrochemical NO sensors, can be increased. The method for diagnostic NO measurements comprises steps for controlling the inhalation of NO free air, as well as the exhalation, both by built-in means and by audible and/or visual feedback to the patient. | 03-17-2011 |
| 20110066061 | WIRELESS CAPNOGRAPHY - According to some embodiments, there is provided a breath monitoring device and system that includes a patient interface unit, adapted to be positioned on the patient head, said patient interface unit comprises a cannula, adapted to collect a sample of exhaled breath from a patient; and a platform unit which includes: i. one or more CO | 03-17-2011 |
| 20110077544 | METHOD FOR OPTIMIZING THE GAS CONVERSION RATE IN A RESPIRATORY GAS ANALYZER - A method for optimizing a gas conversion rate in a respiratory gas analyzer, more particularly for nitric oxide (NO) in the respiratory gas, and an associated device are disclosed. | 03-31-2011 |
| 20110082380 | Bymixer Apparatus and Method for Fast-Response, Adjustable Measurement of Mixed Gas Fractions in Ventilation Circuits - Bymixer devices and methods for sampling or obtaining data from mixed respiratory gases in a ventilation circuit. Respiratory gasses from a plurality of consecutive breaths become mixed within a mixing chamber of the bymixer and samples or data are obtained from such mixed respiratory gasses. Optionally, the volume of the mixing chamber and/or the resistance to flow into or through the mixing chamber may be selectable or adjustable. | 04-07-2011 |
| 20110087122 | MINIMALLY INVASIVE DETERMINATION OF COLLATERAL VENTILATION IN LUNGS - Minimally invasive methods, systems and devices are provided for qualitatively and quantitatively assessing collateral ventilation in the lungs. In particular, collateral ventilation of a target compartment within a lung of a patient is assessed by advancement of a catheter through the tracheobronchial tree to a feeding bronchus of the target compartment. The feeding bronchus is occluded by the catheter and a variety of measurements are taken with the use of the catheter in a manner which is of low risk to the patient. Examples of such measurements include but are not limited to flow rate, volume and pressure. These measurements are used to determine the presence of collateral ventilation and to quantify such collateral ventilation. | 04-14-2011 |
| 20110098589 | COMBINATION OF INERT GAS REBREATHING AND MULTIPLE-BREATH WASH-OUT TECHNIQUES FOR DETERMINATION OF INDICES OF VENTILATION INHOMOGENEITY - The present invention discloses a method to determine the lung clearance index (LCI) or other indices of ventilation inhomogeneity of the lungs by combining two pulmonary gas exchange techniques; Inert gas rebreathing (IGR) is used for rapid wash-in of the inert tracer gas and for accurate determination of the functional residual capacity (FRC) by gas analysis alone. This is followed by multiple-breath wash-out (MBW) for determination of the cumulative expired volume (V | 04-28-2011 |
| 20110098590 | METHODS AND APPARATUSES FOR DETECTING ANALYTES - An apparatus for measuring a quantity of an analyte, such as an aldehyde, contained in a breath sample includes a breath collection device and a measurement device. The breath collection device includes a breath inlet area, a breath outlet area, and a reaction chamber. The reaction chamber can include a reagent that is colorimetrically reactive with one or more aldehydes. The measurement device includes a light emitting device and a light measuring device and is configured to provide a quantitative value indicative of the amount of aldehydes present in the breath sample. | 04-28-2011 |
| 20110098591 | CARBON NANOTUBE STRUCTURES IN SENSOR APPARATUSES FOR ANALYZING BIOMARKERS IN BREATH SAMPLES - The present invention provides a system for measuring biomarker analytes indicative of various diseases comprising an array of sensors sensitive to volatile organic compounds. Particularly, the system is composed of a random network of single-walled carbon nanotubes (SWCNTs) coated with non-polar small organic molecules in conjunction with learning and pattern recognition algorithms. Methods of discriminating between breath samples of healthy individuals and of lung cancer patients are disclosed. | 04-28-2011 |
| 20110098592 | METHODS, APPARATUS AND SYSTEMS FOR MONITORING CO2 - There is provided herein methods, apparatus and systems for evaluating carbon dioxide (CO | 04-28-2011 |
| 20110105934 | IMPROVEMENT IN THE PRECISION OF XENON CONTENT MEASUREMENT IN A VENTILATORY ANESTHESIA APPARATUS - The invention relates to an apparatus for the ventilatory anaesthesia of a patient by administration of a gas containing gaseous xenon that comprises a main gas circuit (CP) and a means for determining the xenon content (S | 05-05-2011 |
| 20110105935 | VENTILATION ANALYSIS AND MONITORING - A ventilation analysis system comprising an interface module adapted to receive a carbon dioxide (CO2) signal and a breath flow dynamics signal, and control logic adapted to produce a ventilation indicator, based on a mutual analysis of the CO2 signal and the breath flow dynamics signal. The ventilation indicator may be, for example, an estimated CO2 waveform, an End-Tidal CO2 (ETCO2) value, and/or a minute CO2 value. | 05-05-2011 |
| 20110112424 | DETERMINING FUNCTIONAL RESIDUAL LUNG CAPACITY - Determining functional residual lung capacity (FRC) by changing a subject's inspirium FiO | 05-12-2011 |
| 20110178420 | METHODS AND APPARATUSES FOR IMPROVING BREATH ALCOHOL TESTING - Some embodiments of the present invention provide methods and apparatuses for improving the performance and utility of breath alcohol measurements through the use of multivariate spectroscopy. In some embodiments, the spectroscopic breath measurement can be combined with multivariate spectroscopic tissue alcohol and/or tissue biometric measurements in order to overcome the limitations encountered by existing breath alcohol measurement devices. | 07-21-2011 |
| 20110201956 | DIRECT LUNG SENSOR SYSTEMS, METHODS, AND APPARATUSES - Devices, systems, and methods for diagnosing physiological parameters of the lungs and treating associated medical conditions are disclosed herein. In particular, certain embodiments permit detection of air flow in lung passageways, air leaks, gas concentration (in particular oxygen), and temperature measurements. Measurements obtained using the devices, systems, and methods disclosed herein may also be used to determine optimal treatment sites for medical conditions such as emphysema, COPD, or lung volume reduction. | 08-18-2011 |
| 20110201957 | CARBON DIOXIDE MONITORING SYSTEM - A CO2 monitoring system ( | 08-18-2011 |
| 20110208081 | APPARATUS AND METHOD - A breath testing apparatus having a sampling device ( | 08-25-2011 |
| 20110213264 | SENSOR ON NON-SEALING PORTION OF TRACHEAL TUBE CUFF - Various embodiments of a tracheal tube having a sensor disposed on a non-sealing portion of a cuff are provided. Certain embodiments of the tracheal tube may be capable of deploying the sensor during intubation to sense one or more indicators of blood flow characteristics, such as a level of blood gases and/or blood analytes, in the respiratory tract. The sensor on the cuff may be configured to deploy upon inflation of the cuff and to return to its predeployment position upon deflation of the cuff. The sensor may be further adapted to abut the tracheal mucosa of a patient or not contact the tracheal wall at all during deployment. | 09-01-2011 |
| 20110237969 | GAS SAMPLING LINE - A gas sampling line having a channel for conducting respiratory gases from a patient respiratory interface to a gas monitor, the gas sampling line comprising, i.a., a gas sampling tube comprised of a polyether block amide material, the polyether segments of which comprise polyethyleneoxide. Use of a tube comprised of a polyether block amide material, the polyether segments of which comprise polyethyleneoxide, for sampling of respiratory gases; and a method for sampling of respiratory gases, the method comprising conducting respiratory gases through such a tube. A gas analysis system for analysing respiratory gases, comprising a gas sampling line as defined above and a gas monitor connectable to the gas sampling line. | 09-29-2011 |
| 20110245705 | DETERMINING THE FUNCTIONAL RESIDUAL CAPACITY OF A SUBJECT - A system and method that determine the functional residual capacity of a subject in an automated manner. The determination of the functional residual capacity of the subject is made by analyzing the washout and/or wash-in of one or more molecular species present in gas breathed by the subject. The determination of the functional residual capacity can be made without a determination of oxygen consumption. | 10-06-2011 |
| 20110257550 | Method and Apparatus for Continuous Monitoring of Exhaled Carbon Dioxide - The present invention provides for a unique modification of the intravenous catheter, attached to the terminal line of the mass spectrometer and the use of a disposable nasal oxygen cannula provide an effective and efficient port to monitor end tidal carbon dioxide (P | 10-20-2011 |
| 20110288430 | Gas Sensor - A sensor and method for detecting a target substance, particularly CO | 11-24-2011 |
| 20110295140 | Method and Apparatus for Measuring Trace Levels of CO in Human Breath Using Cavity Enhanced, Mid-Infared Absorption Spectroscopy - A method and apparatus for analyzing trace levels of CO in human breath for the purpose of, among other things, assessing the severity of pulmonary diseases and monitoring the patient's response to a prescribed treatment. The apparatus measures in situ and in real time the CO concentration at sensitivity levels at least as low as parts per billion. A laser of the apparatus has a wavelength in mid-infrared (MIR) spectrum. The optical is constructed and arranged to perform cavity enhanced absorption spectroscopy (CEAS) the breath sample. The cavity includes highly reflective mirrors mounted to each side of the optical cavity to cause the light received from the laser to bounce back and forth within the optical cavity to increase effective path length of the light. A breath intake tube is connected to the optical cavity for collecting a sample of the patient's exhaled breath and transferring it to the optical cavity. A photo detector measures parameters of the light exiting the optical cavity. A controller to operates the system and determines the concentration of CO in the breath sample based on measurements from the photo detector. Appropriate hardware and software display and store the data in real time. | 12-01-2011 |
| 20110295141 | METHODS AND SYSTEMS FOR ENDOBRONCHIAL DIAGNOSTICS - A method for assessing lung function in a patient is disclosed. The method comprises isolating a lung compartment. Thereafter, in one embodiment, an inhaled gas of known composition is introduced into the lung and compared to the composition of the exhaled gas. Alternatively, accumulated CO | 12-01-2011 |
| 20110301483 | LOCAL LUNG MEASUREMENT AND TREATMENT - A method of determining potential treatment sites in a diseased lung is disclosed, in which an assessment catheter is introduced into a lung passageway. The catheter has a distal portion comprising an occluding member and a proximal portion configured to operatively mate with an external console. The catheter is used to identify one or more assessment sites within the airways of the lung. At each assessment site, at least one physiological, anatomical or biological characteristic is determined. A characteristic score for each assessment site is calculated based on a predetermined algorithm; and a treatment is determined based on the scores of the assessment sites. The algorithm takes into account several parameters including the disease characteristics as well as the number and proximity of each assessment site to at least one of the diseased regions. The method envisages treatment of emphysema, asthma or bronchopleural leak. | 12-08-2011 |
| 20110313306 | METHOD AND APPARATUS FOR MONITORING STRESS LEVELS OR SUDDEN CHANGES OF HUMOR IN HUMANS OR OTHER INDIVIDUALS IN REAL TIME BY MEANS OF VAPOR ANALYSIS - A method is described to perform on-line detection of stress levels or changes in humor of individuals. The approach is particularly advantageous because analysis can be performed in real time or, at least, comprising a delay shorter than 30 s, and because it is non-invasive and non-degrading; and actually the individual under study do not need to be aware of being studied. More specifically, the present invention is based on the analysis of lactic acid and other volatiles concentrations in the vapors released by the individual (through the skin and the breath). The inventors have proved that said concentrations respond nearly instantaneously when the individual is subjected to a sudden stressful stimulus. | 12-22-2011 |
| 20120016251 | System for Respiration Data Processing and Characterization - A system for respiration or cardiac condition characterization and abnormality detection includes an interface that receives data representing a signal indicating concentration of carbon dioxide in patient gases over multiple signal cycles. A signal processor uses the received data in determining multiple amplitude related characteristic values. A comparator compares at least one of the amplitude related characteristic values or a value derived from the amplitude related characteristic values, with a threshold value to provide a comparison indicator. A patient monitor in response to the comparison indicator indicating an amplitude related characteristic value or a value derived from the amplitude related characteristic values, exceeds the threshold value, generates an alert message associated with the threshold. | 01-19-2012 |
| 20120016252 | SYSTEM AND METHOD FOR MONITORING HEALTH USING EXHALED BREATH - The present invention includes systems and methods for monitoring endogenous compound concentration in blood by detecting markers, such as odors, upon exhalation by a patient, wherein such markers are the endogenous compound itself or result from the endogenous compound. In the case of olfactory markers, the invention preferably utilizes electronic sensor technology, such as the commercial devices referred to as “artificial” or “electronic” noses or tongues, to non-invasively monitor endogenous compound levels in blood. The invention further includes a reporting system capable of tracking endogenous compound concentrations in blood (remote or proximate locations) and providing the necessary alerts with regard to emergent or harmful conditions in a patient. | 01-19-2012 |
| 20120022388 | SYSTEM AND METHOD FOR MONITORING PULMONARY CONGESTION - A system and method are implemented to identify pulmonary congestion in a subject. The system and method detect pulmonary congestion in a subject based on one or more parameters of the breathing of the subject. The detection of pulmonary congestion in the subject may be relatively passive for the subject. This may enhance the convenience and/or comfort of compliance to a detection regime by the subject. By detecting pulmonary congestion in the subject, potential episodes of heart failure may be identified and/or averted. The system and method may be configured to facilitate treatment of the subject to remediate detected pulmonary congestion and/or avert potential episodes of heart failure. For example, the system may provide enhanced access for a caregiver to detections of parameters related to pulmonary congestion in the subject. | 01-26-2012 |
| 20120065533 | Positive Airway Pressure System and Method - A CPAP system and method which allows the control of released gases from the patient circuit. Coordination of blower speeds and the amount of released gases to improve patient therapy are disclosed. Methods and systems to control patient CO2 retention within the patient mask and to measure patient metabolic function are disclosed. | 03-15-2012 |
| 20120065534 | DIAGNOSTIC NANOSENSOR DEVICE AND METHOD FOR BREATH ANALYSIS - A hand-held portable device detects the concentration of gas such as ammonia, and displays the concentration, by whether it exceeds a threshold and/or in numerical concentration. | 03-15-2012 |
| 20120065535 | GAS ANALYSIS APPARATUS HAVING A COMBINATION OF GAS DEHUMIDIFIER AND GAS CONVERTER - An apparatus for measuring nitrogen monoxide in exhaled air by way of a gas sensor unit ( | 03-15-2012 |
| 20120089041 | ULTRASOUND-OBSERVABLE, RESPIRATORY GAS-WARMING, PARAMETER-SENSING ENDOTRACHEAL TUBE - An ultrasound observable endotracheal tube, according to a specific embodiment of the present invention, has a flexible body surrounding an airway lumen and includes an ultrasound-reflecting element making the tube visible within the body using ultrasound. In another specific embodiment, an endotracheal tube includes a heating member used for warming inhaled respiratory gases. Another specific embodiment of an endotracheal tube includes a sensor for measuring pressure exerted between an inflation cuff and a patient's tracheal tissues for preventing injury from over/under cuff inflation. Yet another specific embodiment of an endotracheal tube includes a sensor for measuring a CO | 04-12-2012 |
| 20120116241 | PORTABLE ASTHMA DETECTION DEVICE AND STAND-ALONE PORTABLE ASTHMA DETECTION DEVICE - The present invention relates to a portable asthma detection device and a stand-alone portable asthma detection device. The portable asthma detection device includes a housing; a gas detection module comprising a turbine and a mini airflow sensor; a gas introducing tube; and a signal delivery unit. In addition, the stand-alone portable asthma detection device includes a housing; a gas detection module comprising a turbine and a mini airflow sensor; a gas introducing tube; at least one input unit; at least one display unit; and at least one delivery unit. Thus, the detection of breathing condition can be performed anytime and anywhere by using the portable asthma detection device and stand-alone device, and then the efficiency of monitor and management of asthma can be improved. | 05-10-2012 |
| 20120123287 | PORTABLE DEVICE FOR BREATHING DETECTION - A device for detecting breathing of a subject, includes a colorimetric CO2 detector. A method for determining whether a subject is breathing and a method for verifying proper placement of an endotracheal tube when using a resuscitation bag are also described. | 05-17-2012 |
| 20120123288 | METHOD AND APPARATUS OF DETERMINING EXHALED NITRIC OXIDE - A method and apparatus of determining the level of exhaled nitric oxide (NO) is disclosed. The method involves measuring the level of exhaled NO ( | 05-17-2012 |
| 20120130264 | NASAL AIR JET INSUFFLATOR - The present invention provides an apparatus for nasally delivering a supraglottic jet ventilation and methods of treating breathing disorders by utilizing the apparatus for nasally delivering a supraglottic jet ventilation. | 05-24-2012 |
| 20120136268 | PHOTO-IONIZATION DETECTORS AND ASSOCIATED METHODS THEREOF - A photo ionization detector (PID) is provided for selectively determining various compounds or gases present in a breath sample. The PID, comprises a substrate comprising a gas ionization chamber, at least one pair of ion sensing electrodes, and at least one amplifying circuit; and an ultraviolet (UV) ionization source to transmit a UV light beam into the gas ionization chamber. A system comprises the PID is also provided. A method of detecting a response pattern for various compounds or gases in breath using PID is also provided. | 05-31-2012 |
| 20120136269 | LIQUID SEPARATION APPARATUS FOR REMOVING A LIQUID FROM A RESPIRATORY GAS AND RESPIRATORY GAS ANALYZING SYSTEM - A liquid separation apparatus for removing a liquid from a respiratory gas is provided. The liquid separation apparatus comprises a housing that comprises an input, wherein a sample withdrawn from the respiratory gas is delivered through the input; a first output wherein at least part of the sample of the respiratory gas is discharged through the first output; and a first filter configured to remove the liquid from the sample of respiratory gas flowing through the input and the first output of the housing. The first filter comprises a hydrophobic property and an oleophobic property to remove the liquid when a surface tension of the liquid is lower than a surface tension of bodily fluids. | 05-31-2012 |
| 20120136270 | Methods and Systems for Presenting an Inhalation Experience - Methods, computer program products, and systems are described that include detecting in an exhalant at least one indication of bioactive agent use by an individual and altering at least one artificial sensory experience at least partly based on the at least one indication of bioactive agent use by an individual. | 05-31-2012 |
| 20120150055 | BREATH END-TIDAL GAS MONITOR - An improved apparatus and method for capturing and analyzing the end-tidal portion of an exhalation. The CO | 06-14-2012 |
| 20120150056 | APPARATUS AND METHODS FOR TESTING APPARATUS INCLUDING ON-BOARD INSTRUCTIONAL VIDEOS AND UPLOAD/DOWNLOAD DATA CAPABILITIES - A breath testing apparatus is provided with on-board “Instruction Manual” tutorials incorporated in a display device installed in the device. Alternatively, on-board instructional videos can be added to various objects or processes requiring instructions. | 06-14-2012 |
| 20120157871 | INTERACTIVE BLOOD-ALCOHOL CONTENT TESTER - A blood-alcohol content (BAC) tester for use at a facility serving alcohol. The BAC tester includes a breath-sampling unit having an air-chamber unit defining a closed position and an open position. The air-chamber unit has a first air-chamber block and a second air-chamber block, the first air-chamber block and the second air-chamber block defining an air chamber for receiving air exhaled from a user. The breath-sampling unit also includes a drive unit coupled to the second air-chamber block and an alcohol sensor. The BAC tester also includes a sensor circuit communicatively coupled to the drive unit and the alcohol sensor. The sensor circuit is configured to cause the drive unit to move the second-air chamber block relative to the first air-chamber block so as to cause the air-chamber unit to be in the closed or the open position. | 06-21-2012 |
| 20120165693 | Detection of Respiratory System Lesions - Humidity profiles of exhaled air of individuals obtained using a sensor to detect water vapour content or temperature versus time of exhalation may exhibit an irregularity indicative of a space-occupying respiratory system lesion. Detection of such irregularities provides an inexpensive and rapid means of pre-screening individuals for lung cancer diagnosis, and is applicable even to individuals with other respiratory disorders such as asthma and COPD. | 06-28-2012 |
| 20120165694 | BREATH AND BREATH CONDENSATE ANALYSIS SYSTEM AND ASSOCIATED METHODS - A system for collecting an exhaled breath sample and exhaled breath aerosol from a subject includes a condensation chamber having an outer wall defining an interior space. The outer wall has an inlet port and an outlet port therethrough in fluid communication with the interior space. The inlet port is placeable in fluid communication with an exhaled breath sample of the subject. A condensation element is positioned within the condensation chamber interior space and has a shape tapering downwardly toward a bottom tip thereof. A condensation of fluid on the condensation element is enhanced through various elements. A collection area is positioned within the condensation chamber's interior space beneath the condensation element bottom tip. The collection area is for collecting condensate accumulating on an outer surface of the condensation element and dropping from the tip thereof. | 06-28-2012 |
| 20120172740 | Oxygen Mask - An anatomical shaped oxygen face mask with ports allows medical procedures to take place while the mask remains affixed to patient's face covering both mouth and nose. The mask is specially designed to allow the patient to ventilate spontaneously while at the same time instrument to access is provided by means of ports located at the front of the mask. One port may be used for procedures while an other port can be used for suctioning of secretion and blood. | 07-05-2012 |
| 20120190997 | MAIN STREAM GAS ANALYZING DEVICE - A main stream gas analyzing device for measuring a concentration of a trace gas present in a gas stream and a method of measuring the concentration of the trace gas is disclosed. The main stream gas analyzing device includes a measuring chamber for receiving a gas flow, an infrared reflective material provided on an inner surface of the measuring chamber, an infrared radiation source directed toward the infrared reflective material of the measuring chamber and obliquely angled relative to a longitudinal axis of the measuring chamber such that infrared radiation being emitted from the infrared radiation source is reflected off of the infrared reflective material at least once, and an infrared radiation detector obliquely angled relative to the longitudinal axis of the measuring chamber to receive the reflected infrared radiation. | 07-26-2012 |
| 20120203125 | INHALATION MASK FOR ANIMALS - An inhalation mask ( | 08-09-2012 |
| 20120203126 | METHOD AND APPARATUS FOR MEASURING THE CONCENTRATION OF A GAS IN EXHALED AIR - There is provided an apparatus for monitoring the respiration of a subject, the apparatus comprising a sensor for measuring the concentration of a specified gas in air exhaled by the subject and a processor configured to provide an output indicating the concentration of the specified gas in a selected portion of the exhaled air, the selected portion of the exhaled air corresponding to air from a specific part of the respiratory system of the subject. | 08-09-2012 |
| 20120215124 | NON-INVASIVE ARTERIAL BLOOD GAS DETERMINATION - A breathing circuit for use in conjunction with a ventilator serving a mechanically-ventilated patient includes an expiratory gas airflow pathway; an inspiratory gas airflow pathway; and a gas mixing mechanism operable to mix inspiratory gas and expiratory gas in an amount sufficient to equilibrate the patient's P | 08-23-2012 |
| 20120215125 | SYSTEM AND METHOD OF MONITORING BREATHING - Sidestream sampling of gas to determine information related to the composition of gas at or near the airway of a subject is implemented. From such information one or more breathing parameters of subject | 08-23-2012 |
| 20120226180 | USER UNIT FOR DETERMINING OUTPUT PARAMETERS FROM BREATH GAS ANALYSES - Shown and described is a user unit ( | 09-06-2012 |
| 20120226181 | Non-Invasive Method for Assessing Tissue Perfusion in a Patient - The present invention pertains to a non-invasive way of assessing tissue perfusion in a patient, especially for treatment follow-up and prognosis of septic shock. More specifically, tissue perfusion is assessed by measuring the cutaneous partial pressure of carbon dioxide of said patient, for example at ear lobe with a PCO | 09-06-2012 |
| 20120232419 | ANALYZER FOR NITRIC OXIDE IN EXHALED BREATH WITH MULTIPLE-USE SENSOR - A high-sensitivity analyzer for nitric oxide in exhaled breath at levels of 200 ppb or less with a sensor containing cytochrome C is rendered capable of multiple uses without the need for installing a new sensor for each use. This capability is achieved by regenerating the analyzer after each use by purging the sensor and surrounding regions with NO | 09-13-2012 |
| 20120265089 | SYSTEM AND METHOD FOR DETECTING VALID BREATHS FROM A CAPNOMETRY SIGNAL - Based on a capnometry signal, one or more breathing parameters of a subject are determined that require valid breaths by the subject to be distinguished from anatomical events that cause the CO | 10-18-2012 |
| 20120271187 | METHOD AND DEVICE FOR MONITORING CARBON DIOXIDE - Various embodiments provide a medical device for monitoring carbon dioxide in the exhaled breath from a non-intubated patient. Various embodiments provide methods for monitoring expired carbon dioxide, when a patient is under conscious sedation or is in any situation in which knowledge of respiratory status is useful. | 10-25-2012 |
| 20120271188 | APPARATUS FOR MEASURING A LEVEL OF A SPECIFIC GAS IN EXHALED BREATH - There is provided an apparatus for measuring levels of a specified gas in exhaled breath, the apparatus comprising a photoacoustic sensor for providing a measurement representative of the level of the specified gas in the exhaled air, wherein the photoacoustic sensor comprises a light source that is modulated at a first frequency; a sound speed measurement module for measuring the sound speed of the exhaled breath, wherein the sound speed measurement module operates either at a second frequency that is substantially different to the first frequency or in a pulsed mode; wherein the first frequency of the modulated light source is adjusted during exhalation in accordance with the measured speed of sound of the exhaled breath. | 10-25-2012 |
| 20120277612 | SYSTEMS FOR INTRAVENOUS DRUG MONITORING - A system for monitoring a concentration of an anesthetic drug using a patient's breath is provided. The system comprises a sampling subsystem for processing the patient's breath to form a breath sample, one or more sensors to measure drug concentration in the breath sample, one or more sensors to measure a concentration of gases in the breath sample; and one or more microprocessors for determining a concentration of the drug in a plasma of the patient using a transfer function and the concentration of the drug in the breath sample. A system for monitoring propofol concentration in patient's breath sample is also provided. | 11-01-2012 |
| 20120277613 | METHODS OF INTRAVENOUS DRUG MONITORING - A method of monitoring a concentration of an anesthetic drug using a patient's breath is provided. The method comprises forming a breath sample using the patient's breath; exposing one or more sensors to the breath sample; detecting one or more components of the anesthetic drug in the breath sample; measuring a concentration of at least one of the components of the anesthetic drug in the breath sample; and determining a concentration of the component in a plasma of the patient using a transfer function and the concentration of the component in the breath sample. | 11-01-2012 |
| 20120283591 | RESPIRATORY WAVEFORM ANALYZER - A respiratory waveform analyzer, operable to analyze a respiratory waveform, which is generated based on a temporal change of a concentration of a component in respiratory gas of a subject, includes: a respiratory gas concentration generator which generates a concentration signal based on an output signal from a sensor that is placed to measure the concentration of the component; a flatness calculator which calculates a flatness indicative of flat degree of the respiratory waveform based on a temporal change of the concentration signal; and a reliability calculator which calculates a reliability of the respiratory waveform based on the flatness and the concentration signal. | 11-08-2012 |
| 20120289851 | CARBON-DIOXIDE SAMPLING DEVICE FOR NONINVASIVELY MEASURING CARBON DIOXIDE IN EXHALED BREATH - A carbon-dioxide sampling device for non-invasively measuring carbon dioxide in exhaled breath. The device includes a breath-sampling chamber and a carbon-dioxide collector. The breath-sampling chamber is configured to be disposed over a respiratory opening of a patient, and is also configured to seal with the patient's face preventing unintentional leakage of respiratory gases from the chamber. The carbon-dioxide collector is disposed in the breath-sampling chamber in fluid dynamic isolation from the respiratory gases. Moreover, the carbon-dioxide collector is configured to be disposed in proximity to, and outside of, the respiratory opening of the patient, and to collect a sample of exhaled breath from the patient. | 11-15-2012 |
| 20120296229 | NEONATAL COLORIMETRIC CARBON DIOXIDE DETECTOR - A neonatal colorimetric carbon dioxide detector has a colorimetric carbon dioxide detector membrane having a pH-sensitive chemical indicator that undergoes colorimetric change in the presence of carbon dioxide. The detector has a patient orifice in fluid communication with the baby's airway and a respiration equipment orifice connected to a breathing system. The patient orifice is connected to a breathing tube and when the breathing tube is inserted correctly into the trachea, as the baby exhales, carbon dioxide interacts with the colorimetric membrane which changes color based upon the concentration of carbon dioxide. The internal volume of the neonatal colorimetric carbon dioxide detector is reduced to properly function with low-birth-weight (neonatal) infants. | 11-22-2012 |
| 20120302907 | System and Method for Drug Detection in Exhaled Breath - A portable system ( | 11-29-2012 |
| 20120302908 | ORAL END TIDAL CARBON DIOXIDE PROBE FOR DIAGNOSING PULMONARY ARTERIAL HYPERTENSION - This disclosure concerns improved capabilities for evaluating pulmonary arterial hypertension (PAH). A system and method of evaluating PAH in a subject may include measuring end tidal partial pressure of exhaled carbon dioxide in the subject, wherein the measurement is made orally using described systems or devices. Integrated sensors enable the measurement and characterization of other respiratory gas components, some of which may be indicative of disease. The system and method can be used to monitor a course of treatment for PAH. | 11-29-2012 |
| 20120302909 | METHODS AND SYSTEMS FOR SCREENING SUBJECTS - A screening method can be used to determine whether a subject is a suitable candidate for interventional therapy. The method can be used to determine the likelihood the subject will receive a therapeutic effect from denervation therapy. The determination is based, at least in part, on lung information obtained by performing lung function tests with and without treating the subject's lungs with a test agent. Based on the response to a test agent, the subject's response to a therapy is predicted. | 11-29-2012 |
| 20120310104 | NITRIC OXIDE MEASUREMENT METHOD AND APPARATUS - There is provided a method of determining at least one parameter value relating to nitric oxide, NO, production in the lower respiratory tract of a subject, the method comprising obtaining a plurality of measurements of NO levels in exhaled air and air flow rate during multiple exhalations of a subject performing tidal breathing; analyzing the plurality of measurements to identify exhalations where the NO produced in the lower respiratory tract dominates the NO contribution from other sources; determining at least one parameter value relating to NO in the lower respiratory tract of the subject from the measurements of NO levels and/or air flow rate obtained during the identified exhalations. | 12-06-2012 |
| 20120330175 | BREATH ALCOHOL SAMPLING SYSTEM WITH SPIROMETRIC CLIENT IDENTITY CONFIRMATION - An system for monitoring alcohol in the breath of a test client confirms the identity of the test client based on spirometric data. The system includes a sample chamber receiving a breath sample, an alcohol sensor measuring the alcohol content of the breath sample, and a spirometric sensor generating spirometric data from the breath sample over the test clients entire exhalatory phase. A processor analyzes the spirometric data with stored client characterization data for a known client to confirm the identity of the test client. The client characterization data can be a probability density in a phase space in which at least two spirometric variables (e.g., flow and volume time-series data) are correlated. | 12-27-2012 |
| 20120330176 | NASAL CANNULA FOR CARBON DIOXIDE SAMPLING - A device to facilitate carbon dioxide sampling in the exhalation breath of a person comprising a single nasal prong ( | 12-27-2012 |
| 20130006133 | METHODS AND SYSTEMS FOR MONITORING VOLUMETRIC CARBON DIOXIDE - This disclosure describes novel systems and methods for monitoring volumetric CO | 01-03-2013 |
| 20130006134 | METHODS AND SYSTEMS FOR MONITORING VOLUMETRIC CARBON DIOXIDE - This disclosure describes novel systems and methods for monitoring volumetric CO | 01-03-2013 |
| 20130018274 | SYSTEM AND DEVICE FOR TESTING PULMONARY FUNCTION - A method for analyzing lunch function includes receiving, at a signal generating device, an output of a respiratory maneuver, where the output of the respiratory maneuver includes one or more respiratory parameters. The method also includes producing, at the signal generating device, a signal corresponding to the output of the respiratory maneuver based on the one or more respiratory parameters, wherein the signal describes one or more characteristics of the respiratory maneuver. The method further comprises transmitting the signal from the signal generating device to a signal receiving device at a remote location over a network. | 01-17-2013 |
| 20130023782 | GAS SENSOR, ANALYZER AND METHOD FOR MEASURING OXYGEN CONCENTRATION OF A RESPIRATORY GAS - A gas sensor is disclosed herein. The gas sensor includes an emitter for emitting radiation to a body at least partly coated with a luminophore emitting luminescent radiation indicative of an oxygen concentration when in contact with a respiratory gas. The gas sensor also includes a filter for transmitting the luminescent radiation emitted by the luminophore and an oxygen detector for receiving the luminescent radiation transmitted by the filter. The gas sensor also includes an infrared thermometry unit for receiving a thermal radiation from the luminophore. A gas analyzer and a method for measuring oxygen concentration of a respiratory gas are also provided. | 01-24-2013 |
| 20130041279 | SYSTEM AND METHOD FOR MONITORING PHYSIOLOGICAL FUNCTIONS - A method of diagnosis. The method can include the steps of sampling the breathing of a patient and from the sampling, obtaining a waveform corresponding to a pattern of the breathing of the patient in which the waveform is a repetitive waveform that is indicative of a carbon dioxide concentration in air expired by the patient. The method can also include the steps of processing the waveform to obtain a set of data that reflects the carbon dioxide concentration in the expired air and based on the processing of the waveform, detecting a potential adverse respiratory event in the patient. | 02-14-2013 |
| 20130041280 | COMPENSATION OF VOLUMETRIC ERRORS IN A GAS MONITORING SYSTEM - A mainstream gas monitoring system ( | 02-14-2013 |
| 20130053717 | AUTOMATIC VENTILATOR CHALLENGE TO INDUCE SPONTANEOUS BREATHING EFFORTS - This disclosure describes systems and methods for configuring a ventilator for providing automatic, periodic ventilator adjustments to stimulate non-triggering patients to begin initiating spontaneous breathing efforts. Based on studies of respiration, a neural signal stimulating spontaneous breathing efforts is initiated when a patient's arterial partial pressure of carbon dioxide (PaCO | 02-28-2013 |
| 20130060157 | OXYGEN FACEMASK WITH CAPNOGRAPHY MONITORING PORTS - An oxygen face mask to cover a user's nose and at least partially cover a user's mouth with lateral sampling ports; systems including such a face mask; and methods of using such a face mask. | 03-07-2013 |
| 20130066223 | Vehicle Interlocking System and Method Based on Detection of Analytes in Exhaled Breath - A drug interlock for vehicles based on exhaled breath directed onto said SERS-active substrate, wherein a detected drug substance in exhaled breath of a subject locks said vehicle from use for at least a pre-determined time or a repeated exhaled breath test where no drugs are detected. A collecting surface has a Surface Enhanced Raman Spectroscopy (SERS)-active layer that comprises at least one SERS-active material. The collecting surface is arranged as an outer surface of a waveguide for contact with exhaled breath, such that at least traces of said at least one drug substance in said exhaled breath can contact said SERS-active layer for read-out of a Raman shift spectrum that is detected in-situ for said detecting the presence or determining the quantitative amount of said at least one drug substance from said exhaled breath. | 03-14-2013 |
| 20130066224 | 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 amount of a first breath stable isotope to a second breath stable isotope therein over time. A quick change in the isotope ratios within several hours from the likely infection is indicative of a bacterial infection. A delayed change in the isotope ratios, followed by periodic repeated alterations in the ratios, is indicative of viral infection. The methods are particularly efficient when using cavity ringdown spectroscopy for the monitoring. They may be used for monitoring a patient already admitted to a hospital, or for monitoring a patient initially complaining of adverse symptoms, or for triage, or for collectively monitoring a population of animals. | 03-14-2013 |
| 20130079658 | MINIMALLY INVASIVE IMAGE-BASED DETERMINATION OF CARBON DIOXIDE (CO2) CONCENTRATION IN EXHALED BREATH - What is disclosed is a system and method for image-based determination of carbon dioxide (CO | 03-28-2013 |
| 20130102915 | END-TIDAL CO2 MONITORING TUBE HOLDER - Devices for attaching medical tubing to a nasal cannula are provided. Such devices may comprise a body having a distal end and a proximal end, a connector disposed on the body and adapted to releasably attach the body to the nasal cannula, and one of the following: at least one tube holding member extending along at least one surface of the body and adapted to accept the medical tubing, or at least one body channel extending through the body and having an outlet at the distal end of the body, and a tube connector attached to the proximal end of the body and adapted to fluidly connect the medical tubing the at least one channel. | 04-25-2013 |
| 20130109992 | NASAL MASK | 05-02-2013 |
| 20130131533 | SUBJECT INTERFACE APPLIANCE AND METHOD FOR DELIVERING A BREATHABLE SUBSTANCE TO A SUBJECT WHILE OBTAINING GAS SAMPLES FROM THE AIRWAY OF THE SUBJECT - A subject interface appliance ( | 05-23-2013 |
| 20130131534 | RESPIRATORY MASK ASSEMBLY - A respiratory mask assembly is provided. The assembly includes at least one post having a nasal engaging portion on about a first end thereof for delivering treatment gases to the nasal cavity of a patient. A mask having an inlet for receiving treatment gases from a fluid source and at least one receptacle for being sealably engaged with a respective one of the at least one post for delivering treatment gases from the inlet through the receptacle and into the nasal cavity of the patient is provided. The mask is configured for selective sealable engagement with the patient's mouth, patient's nose, or both the patient's mouth and the patient's nose. | 05-23-2013 |
| 20130165806 | COLLECTION AND ANALYSIS OF A VOLUME OF EXHALED GAS WITH COMPENSATION FOR THE FREQUENCY OF A BREATHING PARAMETER - Apparatuses are described to accurately determine a gas concentration of a sample of a patient's breath. The apparatuses may include a sample compartment, a breath speed analyzer, a gas analyzer, and a processor. The sample compartment includes an inlet that receives the breath. The breath speed analyzer determines the speed of a portion of the breath. The gas analyzer determines a gas concentration. The processor includes an algorithm that determines a degree of non-homogeneity of the sample based on the speed, and a corrected gas concentration based on the degree of non-homogeneity. In some variations, the gas correction is determined independently of patient cooperation. Apparatuses may be tuned based on the intended population's expected breathing pattern ranges such that the sample compartment is filled with a homogenous end-tidal gas sample regardless of an individual's breathing pattern. These apparatuses are useful, for example, for end-tidal CO analysis. Methods are also described. | 06-27-2013 |
| 20130172768 | Intubation-Facilitating Oxygen Mask - A versatile, intubation-facilitating oxygen mask is provided including at least one diaphragm configured with a continuous, flexible, modifiable membrane from which an instrument-access port may be manually constructed, when and if needed. The novel oxygen mask preferably includes a multiple-inlet port having a standard oxygen tube connector and an interchangeable breathing-therapy device connector, a carbon dioxide sampling port, an exhaust port, and a nose clip. The mask can be worn as a standard oxygen mask during traditional oxygen therapy, yet quickly converted into an intubation mask. The clinician manually perforates the nasal and/or oral membranes of the one or more diaphragms to create a point and size of entry perfectly matched to the requirements for a variety of procedures that may be performed involving nasally or orally introduced scopes or probes—without disturbing the ongoing benefits of increased oxygen saturation and continuous monitoring of expired gases. | 07-04-2013 |
| 20130190639 | UTILIZING LIPOPOLYSACCHARIDE IN EXHALED BREATH CONDENSATE TO DIAGNOSE GRAM NEGATIVE PNEUMONIA - A device for collecting exhaled breath condensate from a subject. The device comprises a plunger assembly and a stopper. The stopper is connected to the plunger disk of the plunger assembly by a plurality of support pins and is configured for sealing engagement. The device is utilized to collect exhaled breath condensate from both spontaneously breathing and mechanically ventilated subjects and the devices utilized to determine whether lipopolysaccharide is present in the collected exhaled breath condensate. | 07-25-2013 |
| 20130197384 | Medical Ventilator Capable of Early Detecting and Recognizing Types of Pneumonia, Gas Recognition Chip, and Method for Recognizing Gas Thereof - A medical ventilator capable of early detecting and recognizing types of pneumonia, a gas recognition chip, and a method for recognizing gas thereof are disclosed. The gas recognition chip of the medical ventilator comprises a sensor array, a sensor interface circuit, a stochastic neural network chip, a memory and a microcontroller. The sensor array receives a plurality of multiple types of gases to produce odor signals corresponding to each type of gas. The sensor interface circuit analyzes the odor signals to produce gas pattern signals corresponding to each type of gas. The stochastic neural network chip amplifies the differences between the gas pattern signals and performs dimensional reduction on the gas pattern signals to aid the analysis. The memory stores training data. The microcontroller performs a mixed gas recognizing algorithm to early detect and recognize the type of the pneumonia according to the gas training data. | 08-01-2013 |
| 20130218040 | APPARATUS, ARRANGENT AND METHOD FOR ANALYZING BREATHING GAS FLOWING ALONG A BREATHING TUBING FOR SUBJECT BREATHING - An apparatus and method is provided for analyzing a breathing gas flowing along a breathing tubing for subject breathing. The breathing gas comprises breathing cycles having different phases. Liquid particles can be delivered intermittently depending on the phase, or continuously into the breathing gas. The apparatus comprises a gas sample supplier for adjusting gas sample supply from the breathing gas, and a gas analyzer for receiving the gas sample adjusted by the gas sample supplier and for measuring the gas sample property. The apparatus further comprises a processing unit for receiving a signal indicative of one of the phases of the breathing cycle and the delivery timing of the liquid particles. The processing unit is able to control the sample supplier based on the signal to limit access of liquid particles with the gas sample towards the gas analyzer. | 08-22-2013 |
| 20130226021 | PROTECTIVE ENSEMBLE HYDRATION MONITOR - A protective ensemble hydration monitor configured to be disposed within a face mask of a protective ensemble is disclosed. In one embodiment, the protective ensemble hydration monitor includes a humidity sensor to detect the user's breath within the face mask and output a breath signal based on the detected user's breath. Further, the protective ensemble hydration monitor includes a microprocessor coupled to the humidity sensor to receive the breath signal and output a control signal based on a pre-determined humidity threshold value. Furthermore, the protective ensemble hydration monitor includes a vibrator configured to provide a tactile feedback to the user upon receiving the control signal from the microprocessor. | 08-29-2013 |
| 20130245483 | APPARATUS AND METHOD FOR THE COLLECTION OF SAMPLES OF EXHALED AIR - An apparatus for the collection of samples of exhaled air during normal respiration, comprising a flow generator, an orally insertable exhalation air receiver, and a device for isolating the nasal airways, wherein the apparatus further comprises: a sensor for detecting a change in a parameter representing the change from inhalation to exhalation and to transmit said change as a signal; a control unit adapted to receive said signal and to control said device for isolating the nasal airways; wherein the flow generator is connected to or integrated with the exhalation air receiver. A method of collecting samples of exhaled air during normal respiration conditions, comprising the steps of: detecting a change in a parameter representing the change from inhalation to exhalation and transmitting said change as a signal; receiving said signal in a control unit; activating a device for isolating the nasal airways; activating a flow generator connected to an exhalation air receiver; and collecting a sample of exhaled air during exhalation when the nasal airways are isolated. | 09-19-2013 |
| 20130253358 | SYSTEM AND METHOD FOR REMOTE COLLECTION AND ANALYSIS OF VOLATILE ORGANIC COMPONENTS IN BREATH - A tool for telemedicine including an improved breath collection system of human breath to facilitate the analysis of volatile organic components (VOCs) contained in human breath in which breath tests can be performed at remote sites for rapid detection of different diseases. The system can include a standoff breath collection device including an arcuate structure for concentration and analysis of volatile organic components (VOCs) at the point-of-use that avoids the use of mouthpieces found in conventional breath collection apparatuses. | 09-26-2013 |
| 20130253359 | METHOD FOR CONTINUOUS AND NON-INVASIVE DETERMINATION OF EFFECTIVE LUNG VOLUME AND CARDIAC OUTPUT - In a method for continuous and non-invasive determination of the effective lung volume, the cardiac output, and/or the carbon dioxide content of venous blood of a subject during a sequence of respiratory cycles, the inspiratory and expiratory flow, and the carbon dioxide content of at least the expiration gas are measured. In each respiratory cycle, a first parameter related to the subject's fraction of alveolar carbon dioxide, a second parameter related to the carbon dioxide content of the subject's arterial blood, and a third parameter related to the subject's carbon dioxide elimination are determined based on the measured inspiratory flow, expiratory flow and carbon dioxide content. The effective lung volume, the cardiac output, and/or the carbon dioxide content of venous blood of the subject is determined based on the correlation of the first, second and third parameters. | 09-26-2013 |
| 20130253360 | INTEGRATED ANALYSIS DEVICE FOR SIMULTANEOUSLY DETECTING EBCS AND VOCS IN HUMAN EXHALED BREATH - The present invention discloses an integrated analysis device for simultaneously detecting exhaled breath condensates (EBCs) and volatile organic compounds (VOCs) in human exhaled breath. The device comprises a module for sampling, separating and enriching a detected object, an EBCs detection module and a combined VOCs detection module. The module for sampling, separating and enriching a detected object is connected with the EBCs detection module via a syringe pump for sample injection. The module for sampling, separating and enriching a detected object is connected with the combined VOCs detection module by a capillary separation column. In the present invention, it is achieved that EBCs and VOCs in human exhaled breath are simultaneously sampled, separated and condensed; the heavy metal ions, cell factors, etc. in the collected EBCs are detected with a light addressable potentiometric sensor (LAPS); the condensed VOCs can be quantitatively detected by the combined VOCs detection module with a high sensitivity; and a heating rod and a platinum resistor can be conveniently replaced because a separated outlet heating piece is designed in the combined VOCs detection module. | 09-26-2013 |
| 20130261487 | CARBON DIOXIDE-SENSING AIRWAY PRODUCTS AND TECHNIQUE FOR USING THE SAME - An airway device is provided that may track the flow of respiratory gases through the device with sensing elements at a plurality of locations along the gas flow path of the device. Such a device may be useful for assessing a variety of clinical states, for adjusting patient ventilator settings, or for determining whether or not an airway device has been properly inserted into a patient airway. | 10-03-2013 |
| 20130261488 | SYSTEM AND METHOD OF IDENTIFYING BREATHS BASED SOLELY ON CAPNOGRAPHIC INFORMATION - Breaths of a subject are identified based on the concentration of carbon dioxide at or near the airway of the subject. Troughs corresponding to inhalation are identified and plateaus corresponding to exhalation are identified. A breath is identified responsive to a trough being followed by a plateau. | 10-03-2013 |
| 20130267861 | User Interface Enhancements for Physiological Parameter Monitoring Platform Devices - A method for configuring a presentation of physiological data for a patient includes identifying one or more physiological sensor modules that are connected in a physiological parameter monitoring device. After the physiological sensor modules are identified, the physiological parameter monitoring device is configured so that display areas are allocated on a display screen of the physiological parameter monitoring device for displaying physiological data for the patient. A separate display area is allocated for each identified physiological module. After one or more physiological sensor modules are detected as being connected, the physiological parameter monitoring device is automatically configured to include one or more additional display areas on the display screen for displaying physiological data for the patient. A separate additional display area is allocated for each of the additional physiological sensor modules that is connected. | 10-10-2013 |
| 20130267862 | SYSTEM AND METHOD FOR DETERMINING ONE OR MORE BREATHING PARAMETERS OF A SUBJECT - A system is configured to determine one or more breathing parameters of a subject, such as one or both of end-tidal carbon dioxide concentration and/or breath rate. The system is configured to make a plurality of preliminary determinations of an individual breathing parameter according to a plurality of different algorithms. A final determination of the breathing parameter is obtained by selecting one of the preliminary determinations based on therapy parameters, gas parameters, and/or other parameters that impact the accuracy and/or precision of the different algorithms. | 10-10-2013 |
| 20130267863 | SYSTEM AND METHOD FOR DETERMINING CARBON DIOXIDE EXCRETED DURING NON-INVASIVE VENTILATION - A system is configured to perform capnometry/capnography, and/or other compositional analysis on a non-invasively ventilated subject. As such, the system determines amounts of a molecular species of gas (e.g., carbon dioxide, oxygen, etc.) excreted by the subject on a per-breath basis. Determinations of amounts of the molecular species of gas excreted are adjusted to reflect amounts of the molecular species of gas leaked from the non-invasive interface used to communicate with the airway of the subject. | 10-10-2013 |
| 20130281873 | METHOD FOR MEASURING BREATH ALCOHOL CONCENTRATION AND APPARATUS THEREFOR - The present invention relates to a method and apparatus for measuring breath alcohol concentration of a user. A flow of an expired breath sample is passed through a fuel cell sensor giving an output signal proportional to the amount of alcohol present in the breath sample. By measuring the flow rate, the volume of the breath sample may be calculated, whereas the breath alcohol concentration is calculated based on the fuel cell output signal. Both the sample volume and the breath alcohol concentration values are continually updated by integrating the measured instantaneous flow rate and the fuel cell output signal over time. If the user stops blowing, flow compensation is performed to obtain a compensated fuel cell output signal using a stored calibration volume. Hence, an improved method for accurately measuring the breath alcohol concentration of a test person is achieved, capable of handling varied expired volumes of breath, which obviates the need for a sampling mechanism. | 10-24-2013 |
| 20130303929 | METHOD OF AND APPARATUS FOR DETECTING UPPER RESPIRATORY BACTERIAL INFECTION FROM EXHALED MAMMALIAN BREATH AND COLORIMETRIC SENSOR ARRAY CARTRIDGE - An upper respiratory bacterial infection is detected from exhaled mammalian breath by using a colorimetric sensor array having a spectral response characteristic that changes when exposed to bacteria-produced analytes in the exhaled breath. A flow regulating system directs a leading portion of the exhaled breath into gaseous communication with the array to change its spectral response characteristic, and discharges a trailing portion of the exhaled breath exteriorly of the apparatus. A spectral analysis system analyzes the spectral response characteristic changed solely by the leading portion of the exhaled breath, and detects the upper respiratory bacterial infection when the bacteria-produced analytes are present therein. Reactivity of the analytes with the array is increased by advance oxidizing and/or heating the analytes. | 11-14-2013 |
| 20130324872 | REAL-TIME AIRWAY CHECK STATUS INDICATOR - Immediately after airway placement and/or following any patient transfer, an automated program may be activated in a CO2 monitoring device to provide an airway device placement check. The automated program needs time to determine if the airway placement has been successful or not. During analysis of CO2 respiration data by the program, real-time feedback is displayed to the user as soon as the airway check program is activated until the time that a final decision on the success of airway placement is made. The real-time feedback displays one or more indicators of the progress of the program toward a determination of a successful or failed placement. | 12-05-2013 |
| 20130324873 | CAPNOGRAPHY SYSTEM FOR AUTOMATIC DIAGNOSIS OF PATIENT CONDITION - An improved medical capnographysystem ( | 12-05-2013 |
| 20130331724 | System, Method and Device for Aiding in the Diagnosis of Respiratory Dysfunction - A system and method for aiding in the diagnosis of a respiratory dysfunction is described. More particularly, a system and method for aiding in the diagnosis of one or more pulmonary embolisms is described. The system and method described herein include a plurality of sensors, a thermal control system, and a controller coupled to the plurality of sensors and the thermal control system for aiding in the diagnosis of a respiratory dysfunction. | 12-12-2013 |
| 20130338521 | NASAL TUBE DEVICE AND METHOD - The present application discloses nasal tube devices, methods for placing and securing a nasal tube to a patient, as well as adapters and connectors for a nasal tube. In one exemplary embodiment, the nasal tube has a proximal portion, a distal portion, and one or more lumens. A securing device may be attached to the proximal portion of the nasal tube and may be configured to attach a flexible line of a retention system to the nasal tube. The securing device may also be configured to selectively compress the proximal portion of the nasal tube. In certain embodiments, one or more medical tubes are disposed in the lumen of the nasal tube and may be selectively secured in the lumen with the securing device. The nasal tube device may also have a retention flange for attaching a flexible line of a retention system to the nasal tube. | 12-19-2013 |
| 20130338522 | ENDOSCOPIC BITE BLOCK - According to a preferred embodiment of the present invention there is provided a bite block assembly adapted for capnography and oxygen delivery to a subject, the bite block assembly ( | 12-19-2013 |
| 20130338523 | DRYING SUBSTANCES, PREPARATION AND USE THEREOF - There is provided herein a dryer polymer substance including a hetero-phase polymer composition including two or more polymers wherein at least one of the two or more polymers include sulfonic groups, wherein the substance is adapted to pervaporate a fluid. The fluid may include water, water vapor or both. There is also provided herein a process for the preparation of a dryer polymer substance adapted to pervaporate a fluid (such as water, water vapor or both) the process includes mixing two or more polymers, wherein at least one of the two or more polymers may include groups which are adapted to be sulfonated, to produce a hetero-phase polymer composition and processing the polymer blend into a desired form. | 12-19-2013 |
| 20130345586 | METHOD OF MEASURING CARDIAC RELATED PARAMETERS NON-INVASIVELY VIA THE LUNG DURING SPONTANEOUS AND CONTROLLED VENTILATION - An apparatus to measure pulmonary blood flow and cardiac output (Q) comprising: a) a breathing circuit which, at exhalation, keeps exhaled gas separate from inhaled gas and at inhalation, when V | 12-26-2013 |
| 20130345587 | Luer Connectors - Luer connector including a primary Luer male connector, having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the first inner fluid flow channel having a diameter of approximately d1 increasing at a connection point between the first inner fluid flow channel and the secondary female section to form a neck N the secondary female section having an internal diameter of d2 at a top distal part of the primary Luer male connector, where d1 is smaller than d2, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel ex having an internal diameter of approximately d1. | 12-26-2013 |
| 20130345588 | NITROGEN OXIDE CONCENTRATION MEASUREMENT DEVICE - A nitrogen oxide concentration measurement device comprises a zero scrubber disposed within a gas flow path, and a controller. The zero scrubber performs subjects exhaled air flowing through the gas flow path from a mouthpiece toward a chamber to a NO removal treatment in a first period, out of a first period and a second period. The controller acquires the concentration of NO contained in the exhaled air on the basis of the differential voltage value outputted in the second period, which uses as a reference the differential voltage value outputted in the first period. | 12-26-2013 |
| 20140005565 | ORAL/NASAL CANNULA MANIFOLD | 01-02-2014 |
| 20140018691 | METHODS AND DEVICES FOR MONITORING CARBON DIOXIDE - Various embodiments provide a medical device for monitoring an exhaled breath from a patient. Some embodiments include a tubular portion and a distal member comprising an at least partially shielded sampling hole. | 01-16-2014 |
| 20140024959 | THERAPEUTIC RENAL NEUROMODULATION FOR TREATING DYSPNEA AND ASSOCIATED SYSTEMS AND METHODS - Methods for treating dyspnea with therapeutic renal neuromodulation and associated system and methods are disclosed herein. One aspect of the present technology, for example, is directed to methods that block, reduce, and/or inhibit renal sympathetic nerve activity to achieve a reduction in central sympathetic tone. Renal sympathetic nerve activity may be altered or modulated along the afferent and/or efferent pathway. The achieved reduction in central sympathetic tone may carry therapeutic benefits for patients with dyspnea. | 01-23-2014 |
| 20140024960 | SENSOR DEVICE AND MOUTHPIECE - The present invention relates to gas sensing devices and to mouthpieces therefor. More particularly it relates to gas sensor devices for detecting gases in exhaled air, and to improved mouthpieces and mouthpiece interfaces for use with such devices. The invention also provides methods for using such devices and kits. | 01-23-2014 |
| 20140031710 | APPARATUS FOR DETERMINING SLEEP APNEA - An apparatus for determining sleep apnea includes: an expiratory gas collector which is configured to collect an expiratory gas of a subject; an analyzer which is configured to analyze a constituent and a concentration of the constituent in the collected expiratory gas; and a determiner which is configured to determine whether the subject is in sleep apnea or not, based on a concentration of at least VOC in the analyzed expiratory gas. | 01-30-2014 |
| 20140052014 | Mainstream Gas Analyzer Configurable To Removably Couple With A Sidestream Gas Sampling Component - Systems and methods for analyzing respiratory gas are configured to function in both divertive and non-divertive configurations. A mainstream gas analyzer housing economically and removably couples with a sidestream gas sampling component. | 02-20-2014 |
| 20140058281 | Inline Water Trap - An inline water trap including a filter component and a panel connector configured to interface with a patient gas monitor. In one embodiment the inline water trap indicates to the patient gas monitor that it is in place and that the patient gas monitor may begin intaking and analyzing the filtered patient sample. The inline water trap receives a patient sample and filters water and contaminants from the sample before allowing the remaining gas portion of the sample to pass through to the patient gas monitor, thereby protecting the patient gas monitor from damage. One embodiment of the inline water trap additionally contains an RFID tag to indicate to the patient gas monitor that the correct type of inline water trap is engaged. | 02-27-2014 |
| 20140066800 | AIRWAY ADAPTOR, BIOLOGICAL INFORMATION ACQUIRING SYSTEM, AND OXYGEN MASK - An airway adaptor includes: a gas passage into which a respiratory gas of a subject is to flow; a respiratory gas introducing portion which is configured to guide the respiratory gas expired from at least one of nostrils and a mouth of the subject, to the gas passage; and an airway case on which a temperature sensor that is configured to detect a temperature change of the respiratory gas flowing into the gas passage is mountable. | 03-06-2014 |
| 20140081165 | APPARATUS AND METHOD FOR DIAGNOSTIC GAS ANALYSIS - A handheld, small but accurate and reliable device for diagnostic NO measurements using a NO sensor, where the parameters governing the taking of the sample are different from the parameters optimal for the accuracy of said NO sensor. By temporarily storing a portion of the exhaled air, and feeding this to the sensor at a flow rate adapted to the NO sensor, the accuracy and sensitivity of a system/method involving NO sensors, in particular electrochemical NO sensors, can be increased. The method for diagnostic NO measurements comprises steps for controlling the inhalation of NO free air, as well as the exhalation, both by built-in means and by audible and/or visual feedback to the patient. | 03-20-2014 |
| 20140107517 | OXYGEN FACE MASK WITH CAPNOMETER AND SIDE PORT - A nasal cannula allows insertion of an upper endoscopy probe, a transesophageal echo probe for exams, or the like. Currently, a nasal cannula is used to measure expired carbon dioxide and deliver oxygen to sedated patients undergoing these procedures. Use of a face mask, such as a non-rebreathing face mask, during these procedures allows increased delivery of oxygen in patients with compromised respiratory function. A side port can be cut into the non-rebreathing face mask to allow insertion of the probes into patient's mouths while allowing delivery of a higher oxygen concentration. The facemask has the ability to easily separate from the nasal cannula, providing for continued use of the nasal cannula during, for example, a recovery period from sedation. | 04-17-2014 |
| 20140114206 | Methods For Detecting Bacterial Infections - The invention is directed to methods of detecting lung, gastrointestinal tract, and systemic infections by measuring | 04-24-2014 |
| 20140128760 | INCONSPICUOUS IMPAIRMENT TESTING DEVICES - An impairment detection device includes a body and a housing removably secured to the body that together resemble a beverage container. A breath analyzer is located within the housing or body and includes a chemical sensor that is configured to detect a chemical impairment level of a user, such as resulting from the use of drugs and/or alcohol. The housing is configured to be removably secured to the body to enable a user to quickly attach and remove the housing from the body. The combination of the housing and body provides a disguise for the impairment detection device because it resembles an actual beverage container. A mouthpiece extends from the housing and is in communication with the chemical sensor for receiving a user breath sample. The housing includes a user interface that is operably associated with the breath analyzer. | 05-08-2014 |
| 20140135641 | DEVICE FOR EVACUATING AND/OR MONITORING GAS LEAKING FROM A PATIENT DURING SURGERY OR ANESTHETIZATION - A system is described herein for evacuating gas as it is leaking from a patient's airway. The system comprises a gas evacuation flowpath configured for collecting a gas flow escaping from the patient when inserted into the patient's airway. A vacuum source is connected to the gas evacuation flowpath. Devices that may be employed as part of the system and a method for evacuating gas from a patient are also described. | 05-15-2014 |
| 20140142454 | Method and system for DLCO quality control testing - The present invention can provide a system and method for D | 05-22-2014 |
| 20140155777 | MOUTHPIECE FOR BREATHALYZER - A mouthpiece for a breathalyzer. A body ( | 06-05-2014 |
| 20140180156 | AEROSOL COLLECTION DEVICES AND METHODS OF USE - Provided are devices for collecting an aerosol sample from a subject. The devices comprise a conduit that defines an inner space for the passage of exhaled air. An example conduit has a long axis and a first opening for receiving exhaled air from the subject. The devices further comprise a filter for collecting a sample from the exhaled air. Also provided are methods for collecting samples aerosols exhaled from a subject. | 06-26-2014 |
| 20140187993 | BREATH ALCOHOL RECORDING AND TRANSMISSION SYSTEM - The present invention provides a portable alcohol tester with biometric and location recordation and transmission. The portable unit may use photo, retina, or fingerprint recordation while the system is testing to ensure the identity of the participant. The unit may also use Wi-Fi stations, cellular towers or global position satellites to identify a location, time, and date for the test and record said information. The unit may be equipped with RF, Wireless, cellular, or Bluetooth™ communications to transmit the test information to a remote data center. The data center is equipped to merge the various different data points received into a coordinated presentation. The test information can be used by criminal justice agencies for recording the time, date, location, biometric ID, and breath alcohol content. The same information could be used for participant monitoring or rehab institutions. | 07-03-2014 |
| 20140200475 | UNIVERSAL MEDICAL GAS DELIVERY SYSTEM - A first source of medical gas has a generally cylindrical male outlet with a cylindrical bore and a threaded outer cylindrical surface. A flexible cylindrical elastomeric medical gas tubing has an input end with a bushing making a flush abutment with the male outlet at the output orifice. An output end attaches to any of a plurality of medical gas utilizing devices, but preferably with a dampening disperser held in position in the space in the vicinity of a patient's nose and mouth. An annular flange of the input end bushing resides within a central cylindrical bored out region extending through the first end and nearly to the second end of a rotatable connector forming an interior surface of a connector with threads coupling with the threads of the male outlet. The second end is an annular abutment against the annular flange holding the input end tubing bushing against the outlet source and providing an airtight coupling. A gripping means is on the exterior surface of the connector. | 07-17-2014 |
| 20140207014 | MICROMACHINED FLUID FLOW REGULATING DEVICE - A micromachined fluid flow regulating device is disclosed comprising a fluid flow channel, at least one flow orifice formed in the channel, defining an inlet portion of the channel upstream of the flow orifice, an outlet portion of the channel downstream of the flow orifice, the fluid having a flow direction from the inlet portion to the outlet portion of the channel. At least one piston is arranged upstream of the flow orifice, movably suspended in the channel by a spring means such that the piston is movable by the fluid in the flow direction of the fluid, towards the flow orifice, to regulate a fluid flow through the flow orifice. The disclosure further relates to the use of a micromachined flow regulating device in a breath analysis device and to a method of fabricating a flow regulating device. | 07-24-2014 |
| 20140207015 | GAS ANALYZER, RESPIRATOR OR ANESTHESIA DEVICE WITH OPERATING GUIDE - A process for the control of a gas analyzer, respirator or anesthesia device ( | 07-24-2014 |
| 20140213923 | Luer Connectors - Luer connector including a primary Luer male connector, having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel. | 07-31-2014 |
| 20140221863 | Detection of H. Pylori Utilizing Unlabeled Urea - Disclosed is a method and device for detection of | 08-07-2014 |
| 20140257127 | Gas Sensor Device - A gas sensor device which is connectable to a portable electronic device, and to associated methods. The gas sensor device includes a sensor adapted to detect a gas of interest in exhaled breath of a subject and provide an output signal which is dependent upon the concentration of gas detected, and an interface of the gas sensor device communicates with the portable electronic device. The gas sensor device may be connectable to the portable electronic device via an audio jack. | 09-11-2014 |
| 20140276172 | SINGLE-POINT GASTRIC EMPTYING BREATH TESTS - A gastric emptying breath test method that includes collecting a breath sample of the subject at only a single time point after the subject consumes the breath test meal, wherein the single time point is a time point selected from within an identified time window. | 09-18-2014 |
| 20140288454 | Method For Using Exhaled Breath to Determine the Presence of Drug - The present invention provides a method for determining the presence and/or the level of drug in a subject's system using exhaled breath of the subject. | 09-25-2014 |
| 20140296729 | GAS MONITORING APPARATUSES, METHODS AND DEVICES - This disclosure provides gas monitoring apparatuses, methods and medical devices. A gas monitoring apparatus can include a gas concentration monitoring module, a respiratory mechanics monitoring module and a correction module. The correction module can determine a first correction value based on the gas ingredients and the gas concentration measured by the gas concentration monitoring module, so that the respiratory mechanics monitoring module can correct respiratory mechanics parameter(s) based on the first correction value. The correcting module can also determine a second correction value based on the pressure-related quantity measured by the respiratory mechanics monitoring module, so that the gas concentration monitoring module can correct gas concentration based on the second correction value. | 10-02-2014 |
| 20140309545 | AIRWAY OXYGENATOR - An airway device for use with deep sedation has a pair of conduits, one to supply oxygenated gas and the other to extract exhaled gas. The conduits are encompassed in a permeable sleeve with a stylet to facilitate positioning of the device in the airway. | 10-16-2014 |
| 20140330152 | PROVIDING EVIDENCE WHETHER AN INTRAVASCULAR CONDUIT IS CORRECTLY POSITIONED - Disclosed are methods, devices and compositions useful for providing evidence whether or not an intravascular conduit is correctly positioned in a blood vessel of a living subject, in some embodiments related to administration, through an intravascular conduit, of an indicator precursor such as bicarbonate, and monitoring for the presence of an indicator in the exhaled breath of the subject. | 11-06-2014 |
| 20140330153 | Selective Point of Care Nanoprobe Breath Analyzer - Disclosed is a medical diagnostic device for analyzing breath gases and/or skin emissions, including a highly sensitive sensing component for obtaining an emission concentration profile and a database of breath analysis profiles medical condition characteristics. | 11-06-2014 |
| 20140330154 | BREATHING MASK FOR VENTILATING A PATIENT AND GAS ANALYZER FOR RESPIRATORY GAS MEASUREMENT - A breathing mask for ventilating a patient, the breathing mask includes a housing covering a respiratory passage of the patient, a first cavity surrounded at least partly by the housing conveying both an inspiratory and expiratory gas, a respiratory port delivering the inspiratory gas from the first cavity and the expiratory gas to the first cavity, and a sampling cell in flow communication with the first cavity, which sampling cell is adapted to convey both the inspiratory gas towards the respiratory port and the expiratory gas from the respiratory port, wherein the sampling cell includes at least one component for enabling a signal acquisition of at least one of the inspiratory and expiratory gas compound. | 11-06-2014 |
| 20140330155 | METHOD AND APPARATUS FOR MONITORING AND CONTROLLING A PRESSURE SUPPORT DEVICE - A system and method are configured to monitor respiratory stability and/or effectiveness. A ventilation index is determined that provides an indication of respiratory stability and/or effectiveness. The ventilation index is determined from one or more metrics that indicate deviation of a breathing parameter of a subject from levels that have been observed to be normal or typical for the subject. | 11-06-2014 |
| 20140358018 | SYSTEM AND METHOD FOR HEALTH AND WELLNESS MOBILE MANAGEMENT - A system for health and wellness mobile management comprises a database operable to store a health and wellness data record associated with a patient/data owner, a content management system adapted to strictly control access to the health and wellness data record stored in the database according to access rules set by the patient, a web interface adapted to interface with information requesters submitting requests for access to the health and wellness data record via a web application, an external connect interface adapted to interface with external systems and applications for receiving health and wellness data associated with the patient, a prescription interface adapted to receive a pharmaceutical prescription for the patient submitted by a healthcare provider, and a handheld physiological parameter measurement device adapted to wirelessly communicate with a computing device executing the web application. | 12-04-2014 |
| 20140358019 | METHOD AND DEVICE FOR MEASURING A COMPONENT IN EXHALED BREATH - A device for measuring a component in exhaled breath comprising an inlet ( | 12-04-2014 |
| 20140358020 | DRUNKOMETER - The invention is a drunkometer comprising a main body | 12-04-2014 |
| 20140371618 | ANALYTICS REGARDING VENTILATED PATIENTS - A method, system and computer-readable medium are provided for determining compliance with one or more patient care rules and protocols, the method including the steps of sending infusion information from a pump to a processor pertaining to one or more drugs provided to a patient, sending ventilation information from a ventilator to the processor pertaining to ventilation provided to the patient and determining, with the processor, a variation between actual care of the patient and a set of rules and protocols associated with care of the patient at least in part based on the infusion information and the ventilation information. | 12-18-2014 |
| 20140371619 | GAS SENSOR WITH HEATER - A first embodiment of a disclosed breath analyzer detects a particular breath component in a breath sample. The analyzer includes a housing defining an interior cavity and having an inlet aperture for receiving the breath sample and an outlet aperture. A sensor is disposed within the cavity for sensing the component of the breath sample. An anemometer circuit is associated with the sensor and measures a rate of flow of the breath sample within the housing. The analyzer further includes a controller operatively connected to the sensor to receive breath component information sensed by the sensor. | 12-18-2014 |
| 20150025407 | DEVICES AND METHODS FOR GENERATING AN ARTIFICIAL EXHALATION PROFILE - Methods and devices for creating an artificial exhalation profile, for example for use in the sampling of exhaled breath or air from the nasal cavity from a mammal, wherein said mammal exhales into a device comprising a flow channel, a pressure sensor, a flow sensor, a control unit, and means for creating an exhalation flow, wherein said means for creating an exhalation flow maintain an exhalation flow at one or more pre-determined flow rate (rates), within a predetermined interval, substantially independent of exhalation pressure. | 01-22-2015 |
| 20150032019 | END-TIDAL GAS MONITORING APPARATUS - 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. | 01-29-2015 |
| 20150051502 | BREATH ANALYZER, SYSTEM, AND COMPUTER PROGRAM FOR AUTHENTICATING, PRESERVING, AND PRESENTING BREATH ANALYSIS DATA - A breath analyzer, a system, and a computer program for administering a breath analysis to a donor and recording a breath analysis result. Embodiments of the invention authenticate that the breath analysis was performed correctly, preserves the breath analysis results by communicating with other devices, and presents the breath analysis results by superimposing them on recorded video data. The breath analyzer includes a breath receptor for receiving a breath sample from the donor, an analyzing element for determining a breath analysis result, a communications element for sending information indicative of the breath analysis result to a recording device manager, and a housing for securing the components in a handheld device. The system comprises the breath analyzer, a recording device manager for synchronizing the recordings, and at least one ancillary camera for recording the breath analysis. | 02-19-2015 |
| 20150065901 | UNIVERSAL BREATH SAMPLING AND ANALYSIS DEVICE - A breath analysis device is described which obtains a desired segment of one or more breaths, and analyzes that or those samples for compositional analysis. A pneumatic control system may obtain these segments homogeneously, may reduce the amount of gases included from other segments of the breath, and may reduce mixing with other segments once obtained. These pneumatic control systems can be used for on-board compositional analysis, or for modular or off-board compositional analysis. | 03-05-2015 |
| 20150065902 | COLUMNAR FLOW GAS SAMPLING AND MEASUREMENT SYSTEM - A breath analysis device is described which minimizes mixing of gases between one section of a breath and another section of breath. In particular for example, when sampling and analyzing the end-tidal section of exhaled gas, the system may avoid mixing that can occur inside the device, between the end-tidal sample and the gases before and after the end-tidal sample. The system accomplishes this with an ultra-low uniform cross section fluid pathway, which includes componentry with ultra-low dead space. | 03-05-2015 |
| 20150065903 | Luer Connectors - Luer connector including a primary Luer male connector having a secondary female section extending from a top distal part of the primary Luer male connector back towards a proximal part thereof, the primary Luer male connector including a first inner fluid flow channel extending from a proximal end thereof to the secondary female section, the primary Luer male connector being configured to mate with a primary Luer female connector having a secondary male section including a second inner fluid flow channel. | 03-05-2015 |
| 20150073290 | DETECTION OF ACETONE VIA NANOSTRUCTURE SENSORS - A method of detecting at least one of analyte in an environment (such as in breath) includes providing a structure including nanostructures in contact with titanium dioxide, applying electromagnetic radiation to the structure for a period of time, measuring at least one response and using the measured response to determine the presence of the analyte in the environment. | 03-12-2015 |
| 20150105683 | Mobile Device and Method for Analysing Breath Samples - Disclosed is a mobile device ( | 04-16-2015 |
| 20150112221 | METHOD AND DEVICE FOR MEASURING THE CONCENTRATION OF NITROGEN MONOXIDE IN THE RESPIRATORY AIR OF A PATIENT - A device for measuring the concentration of nitrogen monoxide in the respiratory air of a patient includes a nitrogen dioxide sensor and a converter. The sensor is arranged between an inlet opening and an outlet opening of the device. The converter, for oxidation of nitrogen monoxide to nitrogen dioxide, is arranged between the inlet opening and the sensor such that the device can be switched to at least two states. In a first state, a fluidic connection is present between the inlet opening and the sensor but does not lead through the converter. In a second state, a fluidic connection is present between the inlet opening and the sensor and leads through the converter. | 04-23-2015 |
| 20150126887 | CONTROLLING FLOW OF EXHALED BREATH DURING ANALYSIS - The flow rate of a gaseous sample of exhaled breath through an analytical device is controlled by a pump, and in certain embodiments two pumps. Placement of the analyte sensor in a secondary stream branching off of the primary stream through the device offers further control over the manner, duration, and quantity of the breath that is placed in contact with the sensor. | 05-07-2015 |
| 20150289782 | PORTABLE BREATH VOLATILE ORGANIC COMPOUNDS ANALYSER AND CORRESPONDING UNIT - A compact, portable or handheld device for measurement of breath VOCs such as acetone is described, which incorporates a flow measurement sensor, a mini preconcentrator unit and an spectroscopy unit, such as a cavity-enhanced absorption spectrometer. The preconcentrator includes a chemically selective material to trap VOCs, which is supported on a metal foam. The apparatus is suitable for measuring sub ppm levels of breath VOCs such as acetone and for tracking blood ketone levels. | 10-15-2015 |
| 20150297117 | STANDARD ALCOHOL GAS CARTRIDGE FOR A DRUNKOMETER - The invention is a standard alcohol gas cartridge for a drunkometer which contains the standard alcohol gas with the predetermined concentration, the value of the predetermined concentration of the standard alcohol gas being displayed on the outer surface of the cartridge | 10-22-2015 |
| 20150297118 | DEVICE AND METHOD FOR PULMONARY FUNCTION MEASUREMENT - The present invention relates to a device for pulmonary function measurement in a subject. The device comprises a means for providing an aerosol comprising particles to be inhaled by the subject, and a means for analysis of a portion of air exhaled by the subject, wherein said particles are hydrophobic and are within the range of 20-200 nm, preferably 50-100 nm, and wherein said portion is exhaled after exhalation of a volume corresponding to dead space. Furthermore, the present invention relates to the use of such a device, a method for pulmonary function measurement in a subject, and a control system for a device for pulmonary function measurement in a subject. | 10-22-2015 |
| 20150305651 | Cannabis Drug Detection Device - A system for collecting cannabis and the psychoactive component tetrahydrocannabinol from a sample of exhaled breath is disclosed. Single or multiple exhaled breaths are conditioned by removing contaminants, and regulating flow rate and/or pressure to collect a sample of tetrahydrocannabinol for timely local or remote analysis. The cannabis detection system comprises a containment trap for removing interfering materials from the breath of the subject and a collection component for sampling components of breath introduced into the system through the containment trap for analysis to determine a presence of THC in the breath. | 10-29-2015 |
| 20150313506 | PROCESS AND APPARATUS FOR THE DETECTION OF THE CONCENTRATION AND/OR AMOUNT OF CARBON DIOXIDE PER UNIT OF TIME CONTAINED IN A FLOW OF GAS TO BE MONITORED - The present invention relates to a process (P) and an apparatus ( | 11-05-2015 |
| 20150320337 | Method and System for Monitoring Nutritional Uptake as a Function of Hydrogen Gas Levels - Systems and methods for monitoring nutritional uptake of an individual are disclosed. The method can include monitoring microflora intestinal gas concentration levels associated with a patient and adjusting the volume of nutrient provided by the patient with an artificial feeding device based at least in part on the microflora intestinal gas levels associated with the patient. A microflora intestinal gas sensor can be used to monitor the microflora intestinal gas associated with the patient. The microflora intestinal gas sensor can monitor the microflora intestinal gas in a patient's exhaled breath or in the patient's digestive tract. The microflora intestinal gas sensor be included as part of an enteral feeding system at the distal end or outside end of an enteral feeding tube. Systems and methods for monitoring nutritional uptake of an infant based on microflora intestinal gas levels associated with the infant are also disclosed. | 11-12-2015 |
| 20150327793 | BREATH END-TIDAL GAS MONITOR - An improved apparatus and method for capturing and analyzing the end-tidal portion of an exhalation. The CO | 11-19-2015 |
| 20150335266 | METHOD AND APPARATUS FOR NON-INVASIVE DETECTION OF CONDITIONS SUCH AS LUNG CANCER - A method of determining whether a subject is likely to have a condition includes measuring concentration levels of a plurality of target biomarkers in a sample obtained from the subject; comparing the measured concentration levels to respective reference concentration levels; in the event that the measured concentration level of at least one of the target biomarkers is less than its respective reference concentration level, and the measured concentration level of at least one of the target biomarkers is greater than its respective reference concentration level, providing an indication that the subject is likely to have the condition, and otherwise: providing an indication that the subject is unlikely to have the condition. | 11-26-2015 |
| 20150335267 | ALVEOLAR BREATH COLLECTION APPARATUS - An apparatus for collecting volatile compounds in human breath includes a device for discriminating between alveolar and non-alveolar portions of exhaled breath by real-time measurement of a physical characteristic of said exhaled breath; a device for measuring volume of exhaled breath; a chamber with piston or similar compressible device with clean internal surfaces designed to collect a precise volume of the alveolar portion of the exhaled breath; a pump to draw the exhaled breath collected in the chamber through at least one sorbent tube; a subsystem for introducing a clean compressed gas into the chamber to expand it, and for purging the internal tubing of the system; and a subsystem for selectively collecting a room air sample. A manifold for receiving at least one sorbent tube includes an input block having at least one open-topped channel for receiving an input end of a sorbent tube, and an input port within the open-topped channel configured to be in fluid communication with an input end of the sorbent tube; an output block having at least one open-topped channel for receiving an output end of a sorbent tube, and an output port configured to be in fluid communication with an output end of the sorbent tube; and a locking lever associated with at least one of the input and output blocks for moving the input and output blocks linearly towards and away from each other between fully open and closed positions. | 11-26-2015 |
| 20150338340 | METHOD AND APPARATUS FOR MONITORING A LEVEL OF A GASEOUS SPECIES OF INTEREST - Gas measurement detectector configured to monitor a level of a gaseous molecular species within a flow path ( | 11-26-2015 |
| 20150351662 | CANCER DIAGNOSIS METHOD USING RESPIRATORY GAS - A method for diagnosing cancer, comprises detecting volatile organic compounds (VOCs) contained specifically in exhaled breath of cancer patients, and more particularly, to a method for providing information for cancer diagnosis, which comprises a step of measuring whether ionized fragments of cancer-specific VOCs, which have molecular weights of (i) 69, (ii) 131 and (iii) 181, are present in exhaled breath gas collected from patients suspected of having cancer. Cancer can be early diagnosed with high sensitivity in a non-invasive manner by use of exhaled breath sampled from cancer patients. Thus, the cancer diagnosis method can diagnose cancer in a more cost-effective and rapid manner compared to conventional cancer diagnosis methods. | 12-10-2015 |
| 20160000358 | DEVICE AND METHOD FOR NON-INVASIVE ANALYSIS OF PARTICLES DURING MEDICAL VENTILATION - A diagnostic device is disclosed for characterisation of particles from a patient's airways, such as a lung, when ventilated by a ventilator, and/or for control thereof, comprising a particle detecting unit configured to be connected to a conduit for passing expiration fluid from said patient, for obtaining data related to particles being exhaled from said patient's airways. | 01-07-2016 |
| 20160022947 | RESPIRATORY ASSEMBLY - A respiratory assembly is provided. The assembly includes at least one post having a nasal engaging portion on about a first end thereof for delivering treatment gases to the nasal cavity of a patient. A pair of tubes capable of receiving gas from a hose or fluid source are selectively engaged with the pair of posts for delivering treatment gases from the inlet through the receptacle and into the nasal cavity of the patient. A splitter may be positioned between the hose or fluid source and the pair of tubes. Ball and socket joints may provide enhanced flexibility of the assembly while in use. | 01-28-2016 |
| 20160029924 | Device for Combined Respiratory Gas Analysis and Lung Function Test - A device for combined respiratory gas analysis and lung function test includes a gas quantity measuring device, a gas analysis device, and a multi-way valve configured for placement at least between a first valve path combination and a second valve path combination. A first gas path between the gas quantity measuring device and a second combined inlet/outlet opening is established while by-passing the gas analysis device with the first valve path combination of the multi-way valve, and a second gas path is established between a first combined inlet/outlet opening, the gas analysis device, the gas quantity measuring device, and the second combined inlet/outlet opening with the second valve path combination of the multi-way valve. | 02-04-2016 |
| 20160045138 | BREATHING GAS MEASURING DEVICE - A respiratory air measuring device is provided through which a measuring air stream flows for measuring at least one component of the respiratory air of a patient. The respiratory air measuring device includes a sensor device and a flow generator disposed downstream for generating a measuring air stream. A flow nozzle is disposed in a channel portion to affect flow, wherein a generator air stream coming from the flow nozzle creates the measuring air stream. The respiratory air measuring device may be partially disassembled for effective cleaning | 02-18-2016 |
| 20160045153 | METHOD AND SYSTEM FOR MONITORING INTOXICATION - A method and system for monitoring a user's intoxication including receiving a set of signals, derived from a set of samples collected from the user at a set of time points; providing a sobriety task to the user proximal to a time point of the set of time points; generating a performance dataset characterizing performance of the sobriety task by the user; receiving a supplementary dataset characterizing a demographic profile of the user and/or a physiological state of the user; determining a set of values of an intoxication metric, derived from the set of signals; generating a predicted temporal profile of the intoxication metric for the user based upon the set of values, the set of time points, and the supplementary dataset; generating an analysis of the user's sobriety based upon the performance dataset and the predicted temporal profile; and providing a notification to the user based upon the analysis. | 02-18-2016 |
| 20160073930 | BREATH SAMPLING DEVICES AND METHODS OF BREATH SAMPLING USING SENSORS - A breath sampling device including a housing having a fluid inlet positioned at a fluid inlet end, a fluid outlet positioned at a fluid outlet end, a fluid channel extending between the fluid inlet and the fluid outlet, and a sensor fluidly coupled to the fluid channel. The sensor is structurally configured to detect a presence of a target gas in a gas sample and a filter assembly fluidly coupled to the fluid channel and positioned between the fluid inlet and the sensor. The filter assembly is structurally configured to absorb heat, water vapor, or a combination thereof. | 03-17-2016 |
| 20160074610 | UNIVERSAL MEDICAL GAS DELIVERY SYSTEM - A first source of medical gas has a generally cylindrical male outlet with a cylindrical bore and a threaded outer cylindrical surface. A flexible cylindrical elastomeric medical gas tubing has an input end with a bushing making a flush abutment with the male outlet at the output orifice. An output end attaches to any of a plurality of medical gas utilizing devices, but preferably with a dampening disperser held in position in the space in the vicinity of a patient's nose and mouth. An annular flange of the input end bushing resides within a central cylindrical bored out region extending through the first end and nearly to the second end of a rotatable connector forming an interior surface of a connector with threads coupling with the threads of the male outlet. The second end is an annular abutment against the annular flange holding the input end tubing bushing against the outlet source and providing an airtight coupling. A gripping means is on the exterior surface of the connector. | 03-17-2016 |
| 20160081589 | Device for Analyzing Exhaled Air, and Use of the Device - A device for analyzing exhaled air comprises a gas sensor unit. The device is configured for measuring nitrogen oxides in the exhaled air. The device includes a main gas path in order to guide air in the device. At least one measuring gas path and at least one flushing gas path branch off from the main gas path. | 03-24-2016 |
| 20160100774 | BIOMETRIC DEVICE - Disclosed herein is one embodiment of a biometric device that includes a housing, a sensor, and a controller. The housing has a main chamber and a breath chamber. The breath chamber has an inlet and an outlet. The sensor is coupled to the main chamber and is at least partially in fluid contact with the breath chamber. The sensor is configured to detect the concentration of at least one gas of a user's breath in the breath chamber. The controller is coupled to the housing and is disposed within the main chamber. The controller is configured to receive the concentration of the at least one gas in the user's breath in the breath chamber and determine a health score. | 04-14-2016 |
| 20160106343 | BREATH ANALYSIS SYSTEMS AND METHODS FOR SCREENING INFECTIOUS DISEASES - Breath analysis systems and methods test for infectious diseases in exhaled breath gas or condensate. An automatic breath sampling system can obtain reliable samples over a variety of clinical situations. In some variations, the system is modular system and can protect the equipment and clinician from contamination. In some variations, the system can be a point-of-care rapid-result instrument. In some variations, can be configured for off-line analysis in which case the collected sample is presented to a stand-alone analyzer for measurement. | 04-21-2016 |
| 20160120462 | ORAL APPLIANCE FOR VENTILATION FLOW MEASUREMENT - A system and method for managing ventilation of a user, through the use of an oral appliance, is disclosed. The appliance is configured to fit between the user's teeth and lips or cheeks to inhibit ventilation by the user around the appliance, and includes a passageway. An airway resistor within the passageway includes an aperture that is sized to allow a metered amount of air flow by the ventilation of the user. A pressure sensor measures an air pressure in the aperture, which measurement is transmitted to an external computer processor to generate feedback data for the user. | 05-05-2016 |
| 20160128608 | BREATHING TUBE FOR USE IN ULTRASONIC FLOW MEASUREMENT SYSTEMS - This invention relates to a breathing tube for use in ultrasonic flow measurement systems for determining the volume flow and/or the molar mass of the respiration of humans and animals. According to the invention, the breathing tube at least partly has a polygonal cross-section. Furthermore at least one indicator is formed on the breathing tube, which can be read out via an external optical device. | 05-12-2016 |
| 20160128609 | COMBINATION OF INERT GAS REBREATHING AND MULTIPLE-BREATH WASH-OUT TECHNIQUES FOR DETERMINATION OF INDICES OF VENTILATION INHOMOGENEITY - The present invention discloses a method to determine the lung clearance index (LCI) or other indices of ventilation inhomogeneity of the lungs by combining two pulmonary gas exchange techniques; Inert gas rebreathing (IGR) is used for rapid wash-in of the inert tracer gas and this is followed by multiple-breath wash-out (MBW). The functional residual capacity (FRC) can either be determined from the tracer gas concentration and the gas flow inhaled and exhaled during multiple-breath wash-out or by gas analysis alone from the inert gas rebreathing. The cumulative expired volume (V | 05-12-2016 |
| 20160143561 | SELF-CONTAINED, PORTABLE H2/CO2 (AIR) RATIO APPARATUS - A self-contained, portable H | 05-26-2016 |
| 20160150995 | PORTABLE DEVICE FOR PERSONAL BREATH QUALITY AND DEHYDRATION MONITORING | 06-02-2016 |
| 20160157752 | GLUCOSE MEASURING APPARATUS AND METHOD - Disclosed is a glucose measuring apparatus including a pressure measurer hat measures a pressure applied to an object, a near infrared ray (NIR) irradiator that irradiates an NIR to the object if the measured pressure is greater than or equal to a preset value, an NIR receiver that receives at least one of an NIR reflected from the object, a scattered NIR, and an NIR that penetrated the object, and an analyzer that measures the blood glucose level based on the received NIR. | 06-09-2016 |
| 20160166154 | METHOD OF MEASURING CARDIAC RELATED PARAMETERS NON-INVASIVELY VIA THE LUNG DURING SPONTANEOUS AND CONTROLLED VENTILATION | 06-16-2016 |
| 20160192861 | A BREATH ANALYSING AND TRAINING ASSEMBLY | 07-07-2016 |
| 20160374591 | BANDSTRUCTURE CASCADE LASER CAPNOGRAPHY - The present disclosure provides a detector for a capnography device for uninterrupted monitoring of respiratory gasses of a subject, the detector includes a gas flow chamber, configured to permit flow of respiratory gasses between a first orifice and a second orifice thereof, a bandstructure cascade laser configured to provide mid-infrared wavelength laser radiation to the flow chamber, the mid-infrared wavelength laser radiation having wavelengths that at least partially correspond to an absorption spectrum of carbon-dioxide molecules, and a first radiation sensor configured to obtain mid-infrared wavelength radiation passing through the chamber and to provide a radiation intensity signal indicative of changes in carbon-dioxide level in respiratory gasses within the chamber during at least one respiration cycle. | 12-29-2016 |
| 20160374592 | RESPIRATORY MONITORING SYSTEM AND RESPIRATORY MONITORING METHOD - A respiratory monitoring system includes: a first sensing tube provided in a respiratory flow tube and provided with at least a first directional hole opened in a respiratory flow direction; a second sensing tube provided with at least a second directional hole corresponding to the first directional hole; a first sensing element configured to detect a first dynamic pressure (P | 12-29-2016 |
| 20160377596 | EXHALATION DIAGNISTIC APPARATUS - An exhalation diagnostic devise includes a cell portion, a light source, a detector and a controller. The cell portion includes space into which a sample gas containing first and second substances is introduced. The detector detects an intensity of the light transmitted through the space. The controller, at a time of a first operation, causes the light source to change a wavelength, and calculates a ratio of an amount of the second substance to an amount of the first substance. And the controller, at a time of a second operation performed in one respiration, causes the light source to set the wavelength of the light to a third wavelength, determines whether concentration of at least one of the first substance and the second substance exceeds a set value or not, and starts the first operation when the concentration exceeds the set value. | 12-29-2016 |
| 20170232223 | NON-INVASIVE ARTERIAL BLOOD GAS DETERMINATION | 08-17-2017 |
| 20190142303 | BREATH ANALYSIS SYSTEMS AND METHODS FOR SCREENING INFECTIOUS DISEASES | 05-16-2019 |
