Matches 351 - 400 out of 494 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
5003985 End tidal respiratory monitor  
A method and apparatus for determining a number of important physiologic characteristics of a patient based on a end tidal determinations taken from a single respiratory waveform. In the preferred...
4999613 Remote confinement system  
A remote confinement system provides a plurality of different unsupervised tests to determine the presence, identity or conduct of the prisoner. The tests preferably include an RF test performed...
4997463 Gas-liquid microvolume separating apparatus and method  
A gas-liquid separator apparatus and device, particularly for use in connection with medical gas analyses, such as capnography, is provided. The separation chamber tapers in a direction from the...
4998018 Two-wavelength type respiratory gas concentration measuring apparatus  
A two-wavelength type respiratory gas concentration measuring device includes a connector tube which is held in the mouth of an examinee and which has airtight windows, a light source which applies...
4996161 Breath alcohol testing system  
A breath alcohol testing system for advantageous use in unsupervised blood alcohol testing includes a face mask having for receiving a breath sample, components to confirm the identity and...
4991591 Spirometer with multi-stage fixed orifice  
A spirometer for measuring breathing functions of a human subject includes a housing and a hollow elongate body with a first opening through which the subject inhales or exhales, a second opening...
4966141 Endotracheal tube and mass spectrometer  
A non-invasive apparatus for continuously measuring the cardiac output and cardio-respiratory function includes a gas sampling device which is inserted into the mouth of a human subject. The gas...
4958075 Gas analyzer  
Sampling attachments or systems for infrared gas analyzers of the non-dispersive type. Major components of the system include a sampling device or cuvette, a vacuum pump for effecting a flow of the...
4955946 Respiratory CO.sub.2 detector circuit with high quality waveform  
A respiratory CO 2 detector (10) comprising an infrared lamp source (44) and an infrared detector (50) responsive thereto forming an optical path for detecting the change in CO 2 concentration,...
4947861 Noninvasive diagnosis of gastritis and duodenitis  
A patient to be treated for the presence of Campylobacter pylori in the stomach and/or duodenum ingests a quantity of urea and after about 10 minutes exhales into breath collection apparatus to...
4945918 Method and apparatus for monitoring a patient's circulatory status  
A method and apparatus for monitoring a patient's circulatory status during cardiopulmonary resuscitation is disclosed. The apparatus includes a housing defining a passageway through which the...
4930519 Method of graphing cardiopulmonary data  
A method of graphically displaying cardiopulmonary function data by providing a plurality of axes radially projecting from a common point of origin, there being one such axis for each...
4930510 Parameterization for CT blood flow mapping with xenon gas enhancement  
A xenon gas system (B) introduces xenon gas into a patient's blood. The xenon concentration in the patient's blood is monitored (26) periodically as the concentration builds toward a saturation...
4928703 Non-contact respiration rate and apnea monitor using pulmonary gas exchange technique  
An apnea detector uses an active pulsed source of radiation to monitor the respiration of a patient. Radiation from the source is formed into a collimated beam that is directed through the space...
4924860 Water trap and associated control system  
A water trap for a gas analyzer includes self-sealing filters formed of a porous polymer that includes a cellulose extract that causes the polymer to become impermeable on contact with water. The...
4926164 Vehicle breath monitoring device  
The present invention relates to vehicle breath monitors, and in particular to a vehicle breath monitoring system which either inhibits the starter motor solenoid of a motor vehicle or gives other...
4914720 Gas analyzers  
Gas analyzers of the non-dispersive infrared radiation type which are designed to measure the concentration of one gas in a mixture of gases containing that gas. An infrared radiation emitter is...
4907166 Multichannel gas analyzer and method of use  
An improved gas analyzer system (FIG. 1) and method of use for detecting and displaying the partial pressures of certain constituent gases in a respiratory gas stream, the system comprising an...
4900514 Breath analyzer mouthpiece system  
A mouthpiece system for deterring evasion of an alcohol breath test particularly a test wherein a breath sample is delivered without human supervision. The system includes a mouthpiece configured...
4886528 Tubular water separator for a gas analyzer  
The invention relates to a water separator for a gas analyzer, comprising a tube (12) for passing a gas sample into the water separator, wherein water separation is effected in a tubular passage by...
4879999 Device for the determination of proper endotracheal tube placement  
Disclosed is an endotracheal device provided with a colorimetric carbon dioxide indicator. The device functions to indicate the proper intratracheal placement of an endotracheal tube by detecting...
4856531 Measuring device for metabolic quantities connectable to a respirator  
The invention relates to a device intended for monitoring the carbon dioxide output, oxygen consumption and respiration quotient of a patient connected to a respirator. The device comprises O 2 ...
4852583 Airway adapter  
A tubular airway adapter having a hollow interior and a cylindrical wall for providing a sample gas air flow. The adapter includes an annular channel in the cylindrical wall and a plurality of...
4852563 Multifunction connector for a breathing circuit  
A component of a breathing circuit for directing air to a patient requiring treatment. The component comprises a tubular conduit having a male end and a female end. A locking clip is disposed on...
4843377 Remote confinement system  
A remote confinement or home arrest system and method which provides for determining from a central office the presence of a prisoner at an assigned remote location such as the prisoner's home and...
4830010 Methods for the diagnosis of gastrointestinal disorders  
Methods for the diagnosis of gastrointestinal disorders in human or lower animal subjects comprising the steps of administering to said subject a safe and effective amount of urea and analyzing the...
4823803 Halitosis detector device  
A device for testing human exhalation for halitosis, comprising a chamber having an air inlet through which the exhalation to be tested is admitted into the chamber and an air outlet through which...
4821737 Water separator  
A water separator is disclosed for removing water from a minute flow of gas/water sampled from a patients exhalation and prior to the gas being introduced into an analyzer. The separator comprises...
4821736 Head-mounted device for supporting breathing circuit tubes and sensor  
In a system for monitoring the concentration of CO 2 or other gases in a breathing circuit, a device for positioning the CO 2 sensor and breathing tubes adjacent the centerline of the forehead...
4818489 Device for sampling breath air at the workplace  
A pocket instrument for sampling breath air in situ, includes a microprocessor-controlled directional control valve with needles at an outlet to which needle the sample vessels are attached. The...
4815459 Endotracheal tube connector  
A connector for a respirator apparatus which is adapted to be inserted into the open stem of a respiratory Y-tube and connected to an endotracheal tube is provided. In one embodiment the connector...
4809810 Breath alcohol analyzer  
Disclosed is a system both apparatus and method, for analyzing a breath sample (22). A transducer (24) senses the pressure, temperature and humidity of the breath sample and in response generates a...
4796639 Pulmonary diagnostic system  
A pulmonary diagnostic apparatus includes a personal computer including a memory for storing expected values, each representing a predicted normal level for a pulmonary function. A parameter limit...
4793358 Apparatus for measuring local cerebral blood flow  
A local cerebral blood flow measuring apparatus includes an expiratory tube arranged along a slice within a photography area of a gantry, and a sensor for detecting end of expiration. The...
4793357 CT blood flow mapping with xenon gas enhancement  
A xenon gas system (B) introduces xenon gas into a patients's blood. The xenon gas concentration in the patient's blood is monitored and the characteristics of the patient's blood absorption curve...
4790327 Endotracheal intubation device  
An endotracheal intubation device for determining correct placement of an endotracheal tube in the trachea, or windpipe, of a medical patient by detecting the presence of carbon dioxide in expired...
4772559 Method of detecting the presence of bronchogenic carcinoma by analysis of expired lung air  
A novel method of detecting and diagnosing lung cancers by monitoring and analyzing expired lung air for the presence of selected aromatic amines, particularly aniline and ortho-toluidine, is...
4763664 Gas collector unit for measuring the metabolic variables of self-respiring patients  
A gas collector unit to be fitted over the head of a patient for measuring oxygen consumption, carbon dioxide output and respiratory quotient, said unit comprising a clear, substantially...
4756670 Detecting method and apparatus using heat sensitive devices  
This invention relates generally to the sensing of phenomena using heat sensitive devices. More particularly, the invention relates to an improved method and system wherein the ratio of the...
4753245 Apparatus for measuring the oxygen uptake of a person  
Apparatus for measuring the oxygen uptake of a person connected to a respirator (23) includes a closed container (1) of variable volume. The container (1) can be connected to the respiratory...
4749553 Breath alcohol detector with improved compensation for environmental variables  
A breath alcohol detector measures and compensates for distance between the mouth of the individual exhaling breath into the ambient air and the detector, the atmospheric pressure, and the...
4735777 Instrument for parallel analysis of metabolites in human urine and expired air  
An apparatus for measuring metabolites contained in human expired air and for measuring metabolites contained in human urine and for extracting a correlation between the metabolite data in the...
4718432 CT imaging apparatus and method for measuring local cerebral blood flow  
In a CT imaging apparatus, tracer gas such as Xenon is drawn via a pipe into a patient in synchronism with X-ray tomographic data acquisition. The tracer gas inhalation is controlled by a data...
4713095 Liquid separator for gas analyzer  
A gas/liquid separator for a gas analyzer includes a separation chamber having a spherically domed upper wall and a pyramid-shaped lower wall. An incoming sample to be separated is introduced into...
4707336 Apparatus for gas analysis  
A breath alcohol testing instrument comprises a breathing tube (10) connected to an instrument (15) for detecting alcohol, including a sampling system comprising a spring-loaded piston (30)...
4679573 Adaptor assembly for airway tube  
An adaptor assembly is described for sampling gas in an airway tube attached to a patient. The adaptor assembly employs a filter arrangement in a subassembly which extends transversely of the axis...
4677987 Gas sampling apparatus for capnography  
A connector and sampling line for obtaining sample gases from a patient's exhaled gas stream present in an air tube coupled to the patient is disclosed. The sampling line comprises a sampling end...
4671298 Isothermal rebreathing apparatus and method  
A isothermal rebreathing apparatus and method for collecting human breath samples for chemical analysis of the ethyl alcohol content wherein the breath samples are obtained from a subject...
4665385 Hazardous condition monitoring system  
Hazardous condition warning indications are transmitted from a site to a remote location on a conventional audio communication link. A variety of hazardous conditions including unconsciousness or...
4658832 Portable device for the survey of the breathing ventilation and of the oxygen consumption, connected by means of radio signals to a fixed reception and elaboration station  
A device for the survey of the breathing ventilation and oxygen consumption has a mask M, worn by the person being examined, a control modulus that realizes a sample method of the breathing volume...
Matches 351 - 400 out of 494 < 1 2 3 4 5 6 7 8 9 10 >