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WO/2000/021600A1 |
The invention concerns a respirator (1) comprising a shell (2) defining a nasal chamber (3). The shell (2) comprises two lateral extensions (4) urged to be supported on the user's face (8) when the respirator (1) is positioned on his nas...
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WO/2000/013731A1 |
A continuous positive airway pressure controller (1) for supplying a regulated oxygen/air mix to a respiratory circuit for supplying an enriched oxygen/air mix supply to a subject. The controller (1) comprises a main body member (2) havi...
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WO1999056806A9 |
This invention is a system (10, 6) for flushing carbon dioxide from ventilation equipment so that the carbon dioxide is not re-breathed by the patient. Flushing is achieved by providing tracheal gas insufflation only during the end of a ...
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WO/1999/055422A1 |
The filter medium (20) of the present invention includes a pleated filter layer (22), and a flat filter layer (24) adjacent to the pleated filter layer. Both the pleated filter layer, and the flat filter layer may contain a thermoplastic...
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WO/1999/053985A1 |
This invention is a disposable active humidifier used in conjunction with mechanical ventilation of a patient, having a cartridge (1) which forms a humidification chamber (2) which is delimited by an inlet (3), an outlet (4), and can be ...
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WO/1999/027998A1 |
The invention relates to a method and apparatus for the utilization of exhaust gases from a protective head mask, wherein the air exhaled by the person wearing a protective mask (2) equipped with a filter (5), i.e. the exhaust gas, is ci...
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WO/1999/022988A1 |
Breathing apparatus includes a container (1) which contains a compressed breathing gas. A gas reservoir (3) is coupled to an outlet (2) in the container (1) and a mouthpiece (5) is coupled to the gas reservoir (3). A gas flow control dev...
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WO1999007442A9 |
A closed circuit rebreather system with a base and modular, detachably affixable breathing bag assemblies. An interchangeable base unit is provided, preferably in backpack form, containing gas supply bottles, regulation equipment, and in...
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WO/1999/019663A1 |
An apparatus that provides for withdrawal of the liquid contents from a closed container (14) independent of the spatial orientation thereof, is described. The liquid withdrawal apparatus includes flexible withdrawal conduit (58) dispose...
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WO/1999/016529A2 |
An oxygen concentrator is utilized in combination with a compressor to provide a highly enriched and compressed oxygen gas in a mobile container such as a gas cylinder. The combination and method of production provides for the facile pre...
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WO/1999/013932A1 |
A ventilatory system (10) which may be operated in an invasive, and a non-invasive mode, is provided utilizing a graphical user interface (31) for presenting only those controlled parameters utilized for that specific mode of operation. ...
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WO/1999/013944A1 |
Self-contained breathing apparatus has a container for receiving exhaled gas, means for removing carbon dioxide from the exhaled gas, sensor means for detecting the oxygen content of the exhaled gas and means for injecting oxygen into th...
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WO/1999/004858A1 |
A method of testing the performance of a an oxygen supply system (10) in any aircraft including an oxygen supply device (14) adapted to supply oxygen in varying concentrations within a product gas according to demand, in response to cont...
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WO/1999/003524A1 |
The present invention is a method and apparatus for a self-contained underwater breathing apparatus (100) in which a breathing gas is supplied to a flow loop (104) from two separate gas sources (110, 112) each having a different oxygen f...
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WO/1998/043705A1 |
A self contained breathing apparatus (10, 130) includes a pressure vessel (12) which holds a supply of breathing air. The pressure vessel is in fluid communication through a first stage pressure regulator (22) with a second stage breathi...
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WO/1998/034665A1 |
A mask (10) for use with a system for supplying breathable gsa pressurised above atmospheric pressure to a human or animal's airways. The mask (10) includes a mask shell (12) which is, in use, in fluid communication with a gas supply con...
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WO/1998/017375A1 |
A gas absorption rebreather canister containing at least one sheet embodying adsorbent material inside and a portion of the sheet spaced apart by a separating means. The sheet being arranged so that expelled gases entering the canister p...
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WO/1998/009674A1 |
A closed circuit breathing apparatus (10) comprising: a housing (12), a chlorate candle (21), a mouthpiece (45), and a breathing bag (30).
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WO/1998/007082A2 |
An apparatus and method for controlling the output of an oxygen concentrator wherein an oxygen concentrator indicator is comprised of an oxygen sensor monitor and circuit board which receives a gas sample from the concentrator, the oxyge...
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WO/1997/045154A1 |
A self-contained breathing apparatus (200) for emergency response personnel has face mask (208) with a first port (214) connected by a hose (206) to a tank of compressed air. Back-up smoke inhalation protection is provided for imminent l...
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WO/1997/043179A1 |
The compression molded aircraft personal service unit and integrated oxygen module housings (22) are formed by compression molding of a sheet or bulk molding material. The integrated oxygen module (20) can be mounted separately in the ai...
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WO/1997/043210A1 |
The oxygen generation composition utilizes a catalyst selected from the group consisting of copper oxide, nickel oxide, and mixtures thereof, to catalyze the reaction of a chlorate or perchlorate based oxygen generating composition, smoo...
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WO/1997/043209A1 |
The oxygen generation composition utilizes magnesium oxide to modify and smooth the oxygen generation rate, suppress chlorine formation, improve the rheology and uniformity of performance of an operating chemical oxygen candle, and to fa...
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WO/1997/032494A1 |
A multi-part headband attachable to a face mask blank and a method of attaching the same. The multi-part headband has a unit length corresponding to the distance between the attachment locations as measured along a surface of the face ma...
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WO/1997/030756A1 |
A system checks the operability of electrical-based components (10, 14, 17, 19) in a breathing equipment (16), such as a Self-Contained Breathing Apparatus (SCAB), for example. The system includes a microprocessor (7) which is communicat...
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WO/1997/030754A1 |
An exercise filter assembly (10) comprises a housing (12) with removable filters (36 and 46) and two one-way valves (50 and 62). The filters (36 and 46) remove any particulate matter three microns or greater from the air stream. The one-...
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WO/1997/030609A1 |
The present invention relates to a harness (1) for holding and supporting at least one gas pressure-container. The harness includes a backplate (2), pressure-container holding means on a first side of the backplate (2), and two elongated...
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WO/1997/030753A1 |
Breathing equipment intended for use in toxic atmospheres or under water, comprising a breathing mask (1) or like device, a breathing gas source (9) and conduit means (15, 16) for delivering gas from source to mask. The conduit means inc...
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WO/1997/020616A1 |
A molecular sieve type gas separation apparatus (10) for separating product gas from a gas supply (14), the apparatus (10) comprising at least one sieve bed (11-13) which during an adsorption charge phase of a cycle, adsorbs non product ...
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WO/1997/012175A1 |
A gas containment and supply apparatus is described consisting of a gas reservoir vessel (1) capable of pressurised gas containment fitted with a gas supply aperture (8) provided with supply means connectable to the gas supply aperture t...
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WO/1997/010025A1 |
A lightweight, personal, portable dispenser of medically pure oxygen at appropriate temperature and delivery rate for direct inhalation is disclosed. The dispenser contains an oxygen producing generator (15) to initiate the creation of o...
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WO/1997/009091A1 |
The personal emergency breathing system includes a canister (34) having a filtration unit for supplying filtered ambient air to a gas mask (10). A fitting (22) for removably coupling an air tank to the gas mask, and upon exhaustion of th...
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WO/1997/009084A1 |
A device (10) for mixing liquid nitrogen and liquid oxygen to form liquid air. The mixing device consists of a tube (12) for transferring liquid oxygen positioned within a tube for transferring liquid nitrogen. Supply vessels (32, 30) fo...
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WO/1997/007856A1 |
The disclosed filtration system (10) filters both entering air and exiting air. A primary element of the air filtration system is the unitary helmet member (12) which fits over a user's head, and has a rear aperture (14), a front apertur...
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WO/1997/007053A1 |
An oxygen generating device (11, 211) to which a gas mixture containing oxygen is fed, and which is operable to separate the gas mixture into oxygen rich and oxygen depleted gas components, the device (11, 211) comprising a negative temp...
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WO/1997/004837A1 |
A face mask for covering the nose and mouth of the wearer for supplying breathing gas thereto and a pair of strapless goggles which are easily and quickly donnable. The goggles are detachably attachable to the face mask by a tongue-and-g...
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WO/1997/002793A1 |
This invention is a nasal dilator (10) for preventing outer wall tissues of nasal passages of a nose from drawing in during breathing comprising a pad (23) with a spring member (15) glued on (26), where the spring is between the nose and...
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WO/1997/002070A1 |
Breathing equipment including a breathing mask, breathing hood (1) or the like, and a conduit (2) through which breathing gas is delivered to the mask or hood. The equipment also includes a valve means (4) which is normally closed in use...
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WO/1996/035467A1 |
The present invention relates to a method of introducing biologic materials into the conducting airways of the bronchial system. The invention involves the use of a liquid carrier or suspension for the biologic materials, delivered in re...
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WO/1996/033367A1 |
An apparatus that provides for withdrawal of the liquid contents from a closed container (14) independent of the spatial orientation thereof, is described. The liquid withdrawal apparatus includes flexible withdrawal conduits (58) dispos...
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WO/1996/032988A1 |
An apparatus for providing a conditioned airflow inside a microenvironment using a portion of the breathing gas supply diverted to an ejector from a breathing respirator gas stream, is described. The respirator, such as a liquified-gas t...
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WO/1996/028216A1 |
A fold flat respirator is provided. The respirator has a central portion having upper and lower edges, and joined to the upper edge of the central portion through either a fold-line or a bond, an upper portion adapted to fit over the nos...
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WO/1996/028217A1 |
Fold-flat personal respiratory protection devices are provided. The devices have a flat central portion having first and second edges, a flat first member joined to the first edge of the central portion through either a fold-line, seam, ...
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WO/1996/016718A1 |
An apparatus and method for supplying oxygen to passengers on board an aircraft includes a portable machine (10), which has a shape and size to be positioned under a seat of the aircraft. Within the housing of portable machine (10) are m...
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WO/1996/011717A1 |
A ventilator system (10) comprising a rotary drag compressor (30), an exhalation valve (18), gas blender (16) with multiple solenoid valves (52), a differential pressure transducer (36) and data look-up control system, where the ventilat...
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WO/1996/011037A1 |
A filtering device (30) for use as a respirator, comprises a mouthpiece (32) that is shaped and arranged to be located in a person's mouth. A chamber (34) is formed integrally with the mouthpiece and is arranged to hold a filter (42). At...
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WO/1996/006657A1 |
A nasal filter (10) for collecting inhaled particulate matter in the nose of person to allow identification of aeroallergens in the inhaled matter or to prevent disease states mediated by such aeroallergens. The nasal filter (10) has a b...
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WO/1996/006658A1 |
A method of emergency smoke inhalation protection of fire fighters in imminent life threatening situations includes configuring a canister (120) containing a filter medium (134) to evidence use. Such a device provides an indication of pr...
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WO/1995/024938A1 |
The use of a device (a resuscitator) for performing artificial respiration on patients and a device comprising a bag which, at its one end, is provided with a patient valve, and at its opposite end is provided with an inlet valve for dra...
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WO/1995/021650A1 |
The oxygen breathing controller (10) of the present invention provides a two-stage inlet regulator. In addition, the oxygen breathing controller is provided with an aneroid sensor (100) and a G-sensor (80). The G-sensor has at least two ...
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