37 results about "Breath testing" patented technology

Provided herein is a novel breath test for assessing bacterial overgrowth. The test involves administration of a labeled sorbitol or sorbitol derivative to a subject and measurement of the label in breath and / or blood.

A breath tester mouthpiece that includes an increased flexibility section so that breath testing can be performed with a subject in a variety of different positions relative to a tester (e.g., an officer) is provided. The mouthpiece includes an open first end, a closed second end, and a body extending therebetween. The body includes an increased flexibility section and has a substantially D-shaped cross-sectional shape. The body also includes at least one port for channeling air blown into the mouthpiece therethrough.

A calibration arrangement for breathalyzers wherein a heightened degree of control and management is applied. Broadly contemplated are arrangements whereby jars or containers of new solution to be used in the calibration arrangement are subject to automatic verification. Also contemplated is the close monitoring of the running of calibration tests and safeguards to ensure that extensively used or old solution is not put into use.

The invention provides a breath testing device which includes a visual indicating agent which changes color in the presence of an odor associated with bad breath, such as sulfur and ammonia odors. An example of the visual indicating agent is 4,4′-bis(dimethylamino)-benzhydrol (Michler's hydrol or BDMB) and related dyes having a similar chemical structure. The indicating agent is applied to a substrate which is then inserted into a tube or straw, or which covers one end of a straw. When a user with bad breath blows into the tube or straw, the indicating agent will change color. The breath testing devices provide a quick and affordable means for a user to test their breath, and they may be packaged in discreet, pocket-sized dispensers which can be carried in a pocket or purse.

The invention discloses a Chinese electronic pulse feeling tool, which comprises the following steps: host machine, wrist air-pocket connected by conductor and wire and breath-testing sensor, wherein the wrist air-pocket is attached on the pulse-feeling and palpation position of patient to correspond inch, joint and size on three-particle pressure sensor; when the air pocket is pressed lightly, neutrally and heavily, which produces electric signal to output through voice, screen or printing as remote diagnosing system.

A calibration arrangement for breathalyzers wherein a heightened degree of control and management is applied. Broadly contemplated are arrangements whereby jars or containers of new solution to be used in the calibration arrangement are subject to automatic verification. Also contemplated is the close monitoring of the running of calibration tests and safeguards to ensure that extensively used or old solution is not put into use.

A system and method of monitoring sobriety using a handheld breath testing device that, on receipt of a user's breath, generates a breath test signal comprising substance content data and user identification data, and wirelessly transmits the breath test signal to a breath test signal receiving station, and wherein the breath testing device further includes a fingerprint reader and a plurality of sensors.

A breath test and kit for performing the breath test are described for the diagnosis of diabetic indications and monitoring of glycemic control. The breath test utilizes the measurement of expired 13C-labeled CO2 following the ingestion of a 13C-enriched glucose source.

A replaceable spectroscopic detector used in volatile organic compounds testing devices, such as a portable breath testing device for roadside drug testing or a testing device for any air handling systems, such as those used for indoor agriculture, which reversibly sorb compounds and prepare a concentrated sample in a single gas cell configured for performing spectroscopy of the contents within the cell.The disclosed invention comprising; one or more check valves, a source of electromagnetic radiation and an electromagnetic receiver that releasably connects to a volatile organic compounds testing device such that it is replaceable and is configured for performing spectroscopy and passing exhaled breath and / or airflow through a disposable and replaceable reversibly engaging cartridge comprising a reversible sorbent and a gas cell configured for spectroscopy. The invention further comprises a heater that preferably is included in the cartridge for heating the cell and desorbing the sorbed compounds preparing a concentrated sample inside the gas cell.

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.

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.

The invention discloses a medical breath testing device which has the advantages of low testing cost, simple process, short time, accurate result and wide application. The device comprises a sample introduction port, a sampling pump, a six-way valve, a gas carrying cylinder, an adsorption tube, a chromatographic column, a surface acoustic wave detector and a data process system, wherein the six-way valve is respectively connected with the sample introduction port, the gas carrying cylinder, a first end of the adsorption tube, a second end of the adsorption tube, the sampling pump and one end of the chromatographic column; the other end of the chromatographic column is connected with the surface acoustic wave detector, the output end of which accesses into the data process system. The invention further discloses a testing method utilizing the device.

The invention relates to a system for breath test of a person. It includes a sensor unit configured to sense the presence / concentration of a volatile substance, e.g. alcohol, present in air flowing through a predefined inlet area and generating a signal corresponding to the concentration of said substance. An analyzer determines the concentration of said substance in the breath of said person. It comprises means for the temporary interruption of said air flow at a point in time coinciding with the detection of a breath. It also relates to a method comprising interrupting the flow through said predefined area for a predetermined period of time, and detecting the concentration of said substance during said interruption.

The invention discloses a lithium ion battery anti-explosion valve with reinforcing ribs. The anti-explosion valve comprises an anti-explosion valve ring, an anti-explosion valve cover and the reinforcing ribs, wherein the reinforcing ribs comprise the first reinforcing rib and the second reinforcing rib, the anti-explosion valve cover is fixedly connected with the inner side of the anti-explosion valve ring, an annular groove in a shape identical to the shape of the anti-explosion valve ring is formed in the anti-explosion valve cover, the first reinforcing rib and the second reinforcing rib are arranged in the middle of the anti-explosion valve cover and both fixedly connected to the top of the anti-explosion valve cover, and the opening of the first reinforcing rib and the opening of the second reinforcing rib face opposite directions. According to the lithium ion battery anti-explosion valve with the reinforcing ribs, the first reinforcing rib and the second reinforcing rib are formed in the mode of extrusion or drawing from the anti-explosion valve cover, the anti-explosion valve can be avoided from being deformed and broken in the transportation process, the problems that in a breath testing experiment, the anti-explosion valve is excessive in amplitude and accordingly is tore, and the anti-explosion value is excessively decreased can be avoided, the risk that the anti-explosion valve is deformed and broken in the production process is avoided, and the service life of the anti-explosion valve is prolonged.

A sterile immunogenic preparation of three purified H. pylori antigens (CagA, VacA and NAP) adjuvanted with alum in an isotonic buffer solution for intramuscular injection. The antigens may be administered in conjunction with antibiotics and / or antisecretories. Urease breath testing, stool antigen testing, and / or immunological analysis may be used as correlate(s) of protection against H. pylori infection. Urea may be used to improve VacA solubility.

A breath testing apparatus is provided with a mouthpiece, a collection chamber, and a discharge chute. A breath sample is captured within the collection chamber and transferred to an evacuated container through the discharge chute by a sample transfer assembly.

The invention relates to an anesthesia depth monitoring device for the anesthesia department, which comprises a main case, a gooseneck pipe A, a plurality of gooseneck pipes B, two gooseneck pipes C and two gooseneck pipes D are mounted at the periphery of the main case; the tail end of the gooseneck pipe A is provided with a displayer, the tail end of the gooseneck pipe B is provided with a brainwave probe assembly, the tail end of the gooseneck pipe C is provided with an earphone assembly, the tail end of the gooseneck pipe D is provided with a breath testing assembly, and a PLC and an audio player are installed in the main case. The anesthesia depth monitoring device has the advantages that the angles of the displayer, the brain wave probe assembly, the earphone assembly and the breathtesting assembly are adjusted according to needs when the anesthesia depth monitoring device is used, the anesthesia depth monitoring device is simple in structure and convenient to operate, and thefixing and wiring time of the brain wave probe assembly, the earphone assembly and the breath testing assembly is saved.

The present invention provides an improved breath analyzer and breath test method to determine the presence of a gastrointestinal disorder in a human subject's digestive tract.

A system and method of monitoring sobriety using a handheld breath testing device that, on receipt of a user's breath, generates a breath test signal comprising substance content data and user identification data, and wirelessly transmits the breath test signal to a breath test signal receiving station, and wherein the breath testing device further includes a fingerprint reader and a plurality of sensors.

A system for authorization control and breath testing, comprising a management system unit and an authorization control and breath testing unit, wherein the authorization control and breath testing unit is configured to grant authorization to an individual seeking authorization without having access to any personal identification information about that individual.

A breath test system is provided comprising a sensor unit configured to sense the presence or concentration of a volatile substance present in air flowing through a predefined inlet area, and generate a signal corresponding to the concentration of said substance. Also provided is an apparatus configured to detect the presence of a person in the vicinity of said input area, and registering said presence, and configured to respond by delivering an output. This apparatus includes a unit configured to call for immediate attention of said person, and upon registration of the presence of said person, provide instructions to said person to direct an expiratory air flow towards said inlet area. An analyzer to determine breath substance concentration of said person is also provided, the determination based on said signal corresponding to the substance concentration.

The invention relates to a sugar tolerance quantitative evaluation device based on breath testing. The device comprises a sampling pump, a sampling tube, a gas sensing unit, a monitoring unit, a display unit and a power supply unit. According to the device, breath components and concentrations before and after glucose intake are monitored through a breath testing device, quantitative evaluation ofsugar tolerance is realized, and the method can replace an invasive method of blood glucose measurement through blood drawing. The technical method has the advantages of being noninvasive, high in acceptance, sanitary, convenient to use and the like.

The invention provides a breath test for assessing a metabolic phenotypeand / or assessing a disease state.

A sterile immunogenic preparation of three purified H. pylori antigens (CagA, VacA and NAP) adjuvanted with alum in an isotonic buffer solution for intramuscular injection. The antigens may be administered in conjunction with antibiotics and / or antisecretories. Urease breath testing, stool antigen testing, and / or immunological analysis may be used as correlate(s) of protection against H. pylori infection. Urea may be used to improve VacA solubility.

A breath testing apparatus is provided to test hydrogen sulfide and other parameters in exhaled breath of a patient. A patient sample input for receiving exhaled breath from a patient is provided, in addition to an atmospheric input for receiving atmospheric air. A valve is coupled to said patient sample input and said atmospheric input, and first and second pathways are provided from said valve to a hydrogen sulfide sensor block and a second sensor block.

Systems and methods have been developed for implementation of a breath testing system for convenient sampling of intestinal gases exhaled from a patient's breath. This may include a system with a manifold that includes thermal regulation components, for instance thermistors and resistive heating elements, which maintain the temperature of the gases above the body temperature of the patient. In some examples, the system will determine an indication of whether a patient has SIBO by adjusting a change in exhaled hydrogen concentration by a methane level exhaled by a patient.