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7380551 Breathing apparatus  
An improvement to 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 a sensor is included to determine the...
7370651 Gas conserving device  
An electronic oxygen conserving device for controlling a flow of oxygen from an oxygen storage container to a user. When a conserve setting is selected, a flow of oxygen travels through an oxygen...
7353824 Self contained breathing apparatus control system for atmospheric use  
An electronic controller having at least one microprocessor controls the solenoid operated valve adding oxygen to the breathing loop of a closed circuit mixed gas rebreather with carbon dioxide...
7347206 Control group of a second-stage regulator for scuba divers  
A group for controlling a second-stage regulator for scuba divers. The regulator comprises a regulator body with an inlet conduit for connection to a first-stage regulator which supplies a...
7329304 Portable oxygen concentrator  
A portable oxygen concentrator includes a pair of sieve beds having first and second ends, a compressor for delivering air to the first ends of the sieve beds, a reservoir communicating with the...
7320321 Self-contained micromechanical ventilator  
The portable ventilator of the present invention provide a hands-free ventilatory support device in critical care, emergency and resource limited environments. The portable ventilator utilizes...
7306657 Oxygen concentrating apparatus  
An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations....
7296573 Method and apparatus for providing positive airway pressure to a patient  
A system including methods and apparatus for treatment of a medical disorder such as obstructive sleep apnea or congestive heart failure. The system involves applying a gain to flow rate of...
7267122 Method and apparatus for providing variable positive airway pressure  
A method and apparatus for treating a breathing disorder and, more particularly, a method and apparatus for providing a pressurized air flow to an airway of a patient to treat congestive heart...
7261107 Breathable pressurized-gas reducing valve  
A reducing valve, which includes a water trap, especially useful in diving.
7255103 Methods and apparatus for varying the back-up rate for a ventilator  
A ventilator device delivers ventilatory support to a patient in a back up timed mode when patient respiration is not detected or a spontaneous mode when patient respiration is detected. The timing...
7246619 Snore detecting method and apparatus  
Method and apparatus for detecting disordered breathing in a patient and, in particular, to a method and apparatus for detecting patient snoring and/or for dynamically determining a snore detection...
7222623 Portable drag compressor powered mechanical ventilator  
A ventilator device and system comprising a rotating compressor, preferably a drag compressor, which, at the beginning of each inspiratory ventilation phase, is accelerated to a sufficient speed to...
7210479 Hyperoxic breathing system  
A controlled enhanced-oxygen (hyperoxic) breathing system involving an oxygen source, a control valve system and a breathing interface, is disclosed. The control valve system may include a demand...
7207332 Apparatus for administering a gas to a person or an animal  
An apparatus ( 1 ) for administering a gas to a person or an animal, is provided with a chamber ( 9 ) for receiving a quantity of gas to be administered. The chamber is provided with a gas line ( 3...
7188869 Scuba regulator connector using a sealed ball swivel  
A ball and socket-type swivel connector for use with second stage regulators used by scuba divers. The ball is made from a metal with good corrosion resistance. The ball is then held into a true...
7188621 Portable ventilator system  
A portable ventilator uses a ROOTS-type blower as a compressor to reduce both the size and power consumption of the ventilator. Various functional aspects of the ventilator are delegated to...
7186221 Positive airway pressure system and method for treatment of sleeping disorder in patient  
Described are a positive airway pressure system and method for treatment of a sleeping disorder in a patient. The system includes a generator, a sensor and a processing arrangement. The generator...
7185651 Flow regulator for aerosol drug delivery and methods  
An aerosolization device comprises a housing having a mouthpiece, and a flow path arrangement in fluid communication with the mouthpiece. The flow path arrangement has a flow regulating valve and a...
7174892 Regulator for underwater breathing devices  
Regulator for underwater breathing devices including a relatively hard material box-like body having a pipe for the connection with a mouthpiece, at least one air inlet duct and at least one...
7168429 Auto-titration pressure support system and method of using same  
A pressure support system and method of treating disordered breathing that optimizes the pressure delivered to the patient to treat the disordered breathing while minimizing the delivered pressure...
7156095 Hybrid microprocessor controlled ventilator unit  
A method and apparatus for operating a ventilator in a primary electronic mode or in a back-up pneumatic mode during primary electronic mode failure. A method and apparatus for operating a...
7156094 Breathing apparatus and pressure vessels therefor  
There is described a wearable garment capable of supplying air to a user comprising a plurality of compartments disposed about the garment, a plurality of air storage vessels for fitting into...
7122010 Method and apparatus for determining alveolar opening and closing  
The invention refers to a method for the regional determination of the alveolar opening and alveolar closing of the lung depending on the respiration pressure, wherein according to the method of...
7115097 Positive airway pressure notification system for treatment of breathing disorders during sleep  
A notification system monitors changes in air flow channeled between a positive air pressure generator and a CPAP mask supplying positive airway pressure to a patient during treatment of sleep...
7114497 Method and system of individually controlling airway pressure of a patient's nares  
A method and system of individually controlling positive airway pressure of a patient's nares. Some exemplary embodiments may be a method comprising applying therapeutic gas pressure within a first...
7111625 Demand valves for breathing apparatus  
There is described a demand valve for a breathing apparatus with a “first breath” mechanism, wherein a demand valve is held closed by resiliently latching an operating diaphragm of the valve in...
7089940 Balanced valve device and breathing apparatus comprising such valve device  
A valve device, particularly for a breathing regulator for divers, including an inlet chamber which can be connected to a source of gas under super-atmospheric pressure, and an outlet chamber which...
7089938 Pneumatic oxygen conserving device  
A pneumatic oxygen conserving device uses a portion of gas exiting its main valve to interrupt delivery of the gas. Gas is dispensed upon inhalation and is interrupted by means of suitable...
7089936 Device for detecting the respiratory activity of a person  
A method and a device are provided for detecting the respiratory activity of a person and for controlling the time progression of breathing gas pressure, especially in accordance with physical...
7080646 Self-contained micromechanical ventilator  
The portable ventilators of the present invention provide a hands-free ventilatory support device in critical care, emergency and resource limited environments. The portable ventilators utilize...
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...
7032589 Portable ventilator  
A portable ventilator for providing an air-recipient with compulsory respiration is provided with an outlet manifold and a single-expansion-chamber muffler configured so that airflow through an...
7011091 Average volume ventilation  
A ventilator supplies a plurality of volumes of fluid to a patient during a like plurality of inhalations by the patient. Each volume of fluid is supplied at an inspiratory positive airway pressure...
7011089 Sub-aqua breathing system  
A sub-aqua breathing system which enables a person operating underwater to breathe air from a compressed air tank supported on the water surface. The system includes a housing containing both a...
7007692 Method and system of sensing airflow and delivering therapeutic gas to a patient  
Methods and related systems for individually sensing airflow in the breathing orifices of a patient, and preferentially delivering therapeutic gas to those breathing orifices based on the amount of...
7007691 Apparatus and method for humidification of inspired gases  
An apparatus and method for humidification of inspired gases, wherein the present invention utilizes moisture from condensed expiratory gases deposited within the outer expiratory tube of a...
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...
6990995 Valve-leaf protective structure for pressure for regulator of air tank used in diving  
A valve-leaf protective structure for pressure regulator of air tank used in diving mainly includes a valve-leaf seat being provided at a lower center with a retaining hole and at two sides with...
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...
6988994 Positive airway pressure system and method for treatment of sleeping disorder in patient  
Described are a positive airway pressure system and method for treatment of a sleeping disorder in a patient. The system includes a generator, a sensor and a processing arrangement. The generator...
6983746 Underwater exhaust system  
Provided are exemplary embodiments of an underwater breathing exhaust system configured to lower the exhalation, effort and to direct water adjacent an exhaust valve to reduce the likelihood of...
6976490 Therapeutic single dose gas administration system  
A system (A) for providing single continuous dose of a gaseous heliox mixture to a patient with breathing difficulty includes a device ( 1 ) providing a constant and continuous flow of the heliox...
6973928 Tank retaining device  
A tank retaining device for inhibiting a scuba tank from slipping downwardly in reference to a buoyancy control device. The tank retaining device includes a ring member having a diameter smaller...
6966317 Individual respiratory gas supply device including a respiratory mask and a facial respirator  
Individual respiratory gas supply device comprising a respiratory mask and a facial respirator of the cannula or respiratory flexible oro-nasal shell type for comfortably supplying a subject with...
6966316 Clean gas purge for breathing gas regulator  
A self contained breathing apparatus (SCBA) served by a source of breathing gas with a mask and a demand regulator connected to the mask. The regulator has a flexible diaphragmatic member having a...
6957652 Regulator for diving  
Here is disclosed a regulator for diving free from any possibility that smooth operation of respective components might be obstructed due to the presence of impurities in the air supplied from an...
6938619 Mask free delivery of oxygen and ventilatory monitoring  
Disclosed is an apparatus and method for the delivery of supplemental oxygen gas to a person combined with the monitoring of the ventilation of the person with both being accomplished without the...
6932085 Second stage swivel regulator  
A second stage regulator and a method for using the regulator is provided. The second stage regulator has a unique design to facilitate rotation of the mouthpiece about the regulator. The...
6920875 Average volume ventilation  
A ventilator supplies a plurality of volumes of fluid to a patient during a like plurality of inhalations by the patient. Each volume of fluid is supplied at an inspiratory positive airway pressure...