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Document Title |
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7621271 |
Device for the measurement of oxygen consumption
Device for the measurement of oxygen consumption which, by use of a mixing chamber of small dimensions, allows compensation of the time delay between the measurement of the ventilation V E and...
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7617825 |
Closure device of a second-stage regulator for scuba divers
A closure device of a second-stage regulator for scuba divers, the regulator comprising a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a breathable...
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7604004 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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7597100 |
Ergonomic and adjustable respiratory mask assembly with vent cover
A respiratory mask assembly for delivering breathable gas to a patient includes a frame having a front surface and a rear surface adapted in use to face the patient. An elbow assembly is swivelably...
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7588032 |
Oxygen conservation system for commercial aircraft
An emergency oxygen supply system for use on aircraft in the event of a loss in cabin pressure is configured for delivering allotments of oxygen and timing the delivery such allotments to each...
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7568482 |
Exhaust port assembly for a pressure support system
An exhaust port assembly comprising a conduit carries a flow of gas. A vent assembly having a fixed exhaust area is provided on the conduit for venting a flow of exhaust gas from within the conduit...
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7543584 |
Powered air purifying respirator system and breathing apparatus
A combination of an SCBA system for providing bottled air to a user and a PAPR system for purifying ambient air for use by a user wherein the two systems are used alternatingly depending on the...
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7527054 |
Apparatus and method for controlling fraction of inspired oxygen
A method and apparatus for operating a ventilator to control the fraction of pressure inspired oxygen (FiO 2 ) to a patient that includes: providing a ventilator controller that includes a software...
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7504959 |
Gas monitoring using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate...
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7500481 |
Apparatus to assist a patient's breathing with a variable ramp period to rise to treatment pressure
An apparatus ( 1 ) to assist a patient's respiration by delivering air to a patient through a mask ( 20 ), including a ramp module ( 10 ) connected to a control unit ( 2 ) to provide the control...
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7487774 |
Adaptive patient trigger threshold detection
The present invention is a method and system for adaptively detecting a patient trigger threshold. The system and method uses fuzzy-logic control algorithm to detect an appropriate trigger...
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7481216 |
Emergency oxygen system for aircraft passengers
An emergency oxygen system is provided for aircraft passengers. The system includes at least one oxygen mask ( 2 ), with a sensor ( 4 ) for detecting at least one breathing characteristic value of...
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7464709 |
Integrated regulator mount for a ventilator system
An integrated regulator mount for a ventilator is disclosed. The ventilator has the regulator mount built into a manifold. The regulator mount is formed into the manifold on two opposite faces. One...
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7464710 |
Manifold assembly for a ventilator system
A manifold assembly for a ventilator is disclosed. The manifold assembly has an oxygen inlet connector and compressed air inlet connector mounted on the front face of the manifold. A compressed air...
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7451763 |
Pneumatic shuttle valve for a ventilator system
A pneumatic shuttle valve for a ventilator is disclosed. The pneumatic shuttle valve selectively connects one of two inlet openings to an outlet opening. The shuttle valve has a plug that is forced...
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7431753 |
Oxygen enrichment apparatus
An oxygen enrichment apparatus includes a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined...
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7431032 |
Low power ambulatory oxygen concentrator
An oxygen concentrator comprises a vacuum swing adsorption (VSA) gas separation system which includes a cartridge containing a mass of adsorbent material for producing oxygen, a drive which...
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7396390 |
Oxygen enrichment apparatus
An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit....
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7387123 |
Gas identification system and volumetrically correct gas delivery system
A gas delivery system, having a gas identification, by which a gas supplied to the gas delivery system is identified, a blender, blending oxygen and the gas to provide a gas mixture with an oxygen...
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7350521 |
Simplified dual mode medical oxygen concentrator
Oxygen concentrator system having a portable oxygen generator unit adapted to generate a non-humidified oxygen-rich gas and a stationary base unit adapted to generate a humidified oxygen-rich gas,...
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7343918 |
Breathing gas feed assembly for aircraft flight crew, and a stowage box for an emergency breathing mask
A breathing gas feed assembly for the flight crew of an airplane comprises an emergency breathing mask and a stowage box for the mask. The box is adapted to receive the mask diagonally and it is...
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7335243 |
Modular biosafety containment apparatus and system
The present invention relates to apparatus and systems for isolating hazardous agents and organisms from their handlers and the public. In particular, the present invention relates to modular...
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7320320 |
Determination of patency of the airway
Methods and apparatus for determining the occurrence of an apnea, patency and/or partial obstruction of the airway are disclosed. Respiratory air flow from a patient is measured to give an air flow...
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7273051 |
Dual mode medical oxygen concentrator
Oxygen generation system having a portable oxygen generator unit including a portable air separation device for the generation of an oxygen-rich gas, a primary gas pump including means to supply...
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7246620 |
System for monitoring pilot and/or passenger oxygen saturation levels and estimating oxygen usage requirements
A noninvasive system for monitoring the oxygen saturation level of a person subjected to reduced atmospheric pressure for avoiding hypoxemia. The system monitors a person's oxygen saturation level,...
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7222622 |
Gas-dispensing device with self-contained gas container having a diffusion membrane
A gas-dispensing device ( 2 ) for dispensing a gas into breathing gas, comprising a membrane ( 6 ) through which the gas can diffuse into the breating gas, is described. The gas-dispensing device (...
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7222624 |
Dual sensor oxygen therapy device
Methods and apparatus for supplying respiratory oxygen to a patient where the oxygen flow is monitored so as to be control and conserve in response to the patient's pulse rate and blood hemoglobin...
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7224285 |
Gas monitor using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate...
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7204249 |
Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage
An oxygen concentrator is utilized in combination with a compressor, preferably a radial compressor, to provide a highly enriched and compressed oxygen gas in a mobile container such as a gas...
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7179322 |
Oxygen and nitrogen enriched atmospheres in aircraft
A method of supplying oxygen rich air to the passengers and crew on board a passenger aircraft by use of a highly permeable oxygen enrichment unit, wherein the fiber tubes of the hollow fiber...
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7159587 |
Respiratory mask having gas washout vent and gas washout vent assembly for respiratory mask
The present invention provides a vent assembly suitable for use with a respiratory mask of the type used in CPAP treatment. In one embodiment the vent is made of a thin air permeable membrane....
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7156099 |
Nostril filtering system
A nostril filtering system is described for providing clean, filtered air for breathing in through the nose. The filtering system includes a soft, pliable filter material held in a flexible frame...
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7121276 |
Personal oxygen concentrator
An oxygen separator for separating oxygen from ambient air utilizing a vacuum swing adsorption process has a mass of less than 2.3 kg. A carrier is mountable on a person to support the oxygen...
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7077133 |
Oxygen enriching apparatus, controller, and recording medium
A small oxygen enriching apparatus which can supply oxygen-enriched gas at high flow rate without imparting unnatural sensation to a user, as well as a controller and recording medium therefore. In...
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7055780 |
Life support systems for aircraft
A life-support system for an aircraft B includes a first oxygen supply apparatus A operable to provide a limited supply of first product gas being one of pure oxygen and oxygen enriched gas, to a...
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7017575 |
Oxygen supply apparatus, controller for the oxygen supply apparatus, and recording medium for the controller
An oxygen enriching apparatus which can supply oxygen or oxygen-enriched gas to a user at proper timings, as well as a controller and recording medium therefore. In step 100 , a signal from a...
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7011092 |
Portable hypoxic apparatus
Hypoxic delivery apparatus producing from ambient air a product gas having a lower levels of oxygen concentration and delivering the product gas to a user of the apparatus in pulse doses....
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7004168 |
Face mask for gas monitoring during supplemental oxygen delivery
A face mask including a gas monitoring capability for improved patient management in combination with improved efficiency of supplemental oxygen delivery to the patient is provided. The face mask...
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6997180 |
Breathing gas therapeutic method and apparatus
A method and portable apparatus for providing low oxygen therapy to an individual. The invention teaches the use of a small portable breathing gas control system to adjust the gas concentrations...
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6994086 |
Standby regulator for breathing system
The demand regulator has a duct communicating a pressurized breathing gas admission with a tube connected to the inside of a breathing mask. Dilution air may be added to the breathing gas. A...
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6990980 |
Carbon dioxide-based Bi-level CPAP control
A system and method of providing bi-level CPAP therapy is provided that incorporates an infrared carbon-dioxide sensor to determine whether a patient is inhaling or exhaling. Patient exhalation...
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6983750 |
Method for indicating the amount of ventilation inhomogeneity in the lung
A method of determining ventilation inhomogeneity in the lungs is provided. During the first step of the method, a lung volume series is calculated from a series of measured lung inert gas...
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6948498 |
Process and installation for the distribution of air enriched in oxygen to passengers of an aircraft
According to this process, there is supplied to the passengers a first fraction of air enriched in oxygen from independent supply elements, in particular high pressure cylinders ( 16 ), during a...
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6910483 |
Double-ended blower and volutes therefor
A double-ended variable speed blower for Continuous Positive Airway Pressure (CPAP) ventilation of patients includes two impellers in the gas flow path that cooperatively pressurize gas to desired...
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6871645 |
Reduced-oxygen breathing device
The present invention includes a non-rebreathing circuit coupled with computer-controlled gas adjustments. Ambient air is diluted with nitrogen on a breath-by-breath basis to provide precise...
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6837244 |
Oxygen enriching apparatus, controller for the oxygen enriching apparatus, and recording medium for the controller
A small oxygen enriching apparatus which can supply oxygen-enriched gas at high flow rate without imparting unnatural sensation to a user, as well as a controller and recording medium therefore. In...
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6830048 |
Gas mixer with a plurality of ejectors for a medical respirator
A device and a process for mixing at least a first gas component with a second gas component is suitable for mixing gases in a portable respirator. The gas mixer device makes it possible to bring...
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6827084 |
Automatic gas blender
A system and method for automatically blending gases, comprising an input device for receiving predetermined mixed gas concentration data from the user, a plurality of gas inlet valves which allow...
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6820619 |
Altitude adjustment method and apparatus
A portable method and apparatus for allowing an individual to pre-adjust at sea level for future high altitudes is taught. The invention teaches the use of a small portable breathing gas control...
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6814075 |
Respiratory assistance device
A respiratory assistance device may include a tube that forms a main channel for connecting a distal end of the tube to a respiratory airway of a patient, such that the main channel connects the...
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