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WO/1995/021656A1 |
The oxygen breathing controller (10) of the present invention provides a first inlet regulator (20) and a second inlet regulator (40). The first inlet regulator is provided with a poppet (21) with a diaphragm (42) around its perimeter, a...
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WO/1995/020995A1 |
The head protection device includes a respirator mask with straps, connectable to a breathable gas source, and a shield (22) for protecting the user's eyes from smoke, with a peripheral seal (26) bearing upon the user's face and the mask...
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WO/1995/014498A1 |
A broncho-aspiration device comprising an endotracheal tube (4) in a mechanical ventilation unit, which comprises a connector (1) defining an outlet port (2) for coupling an endotracheal tube and an inlet port (3) for coupling to a mecha...
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WO/1995/012519A1 |
A valve arrangement intended particularly, but not exclusively, for use with a breathing regulator (1) for underwater breathing apparatus includes an outlet side, an inlet (11) through which gas can pass to the outlet side from a source ...
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WO/1995/009674A1 |
A gas regulating valve, especially for use in breathing valves for diver masks and the like. The valve comprises a sleeve-shaped housing (1) having an inlet chamber (I) and an outlet chamber (II), a main valve body (2) cooperating with a...
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WO/1995/005501A2 |
A method of charging a nonwoven web of thermoplastic microfibers to provide electret filter media is provided. The method includes impinging on a nonwoven web of thermoplastic nonconductive microfibers capable of having a high quantity o...
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WO/1994/028346A1 |
A cryogenic fluid Dewar container (10) for supplying a gas mixture to an on-demand external delivery device, such as a regulator and associated facepiece (84) independent of the direction of its gravitational field and spatial orientatio...
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WO/1994/023780A1 |
A method and device for controlling sleep disorder breathing utilizes variable multiple level pressures. A pressure source (43) supplies compressed breathable gas at a relatively low pressure to the user's airway. Pressure transducers (4...
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WO/1994/023796A1 |
A continuous flow passenger oxygen dispensing unit of the type used on pressurized aircraft by passengers during decompression emergencies. The unit includes an integrally reinforced reservoir bag (20) with an easily detachable coupling ...
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WO/1994/015155A1 |
A circulation air distributing system for supplying fresh conditioned, hot or cold air through the use of cells (38, 40) of metal cellular flooring (36). Distribution box inserts (84) are uniformly distributed along the cellular flooring...
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WO/1994/013349A1 |
A respiratory apparatus (10) operable for delivering a breathable gas to the airway of a patient includes a status monitor (24, 26) for determining the status of usage of the unit by the patient and a timer (32) for determining the accum...
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WO/1994/008177A2 |
Disclosed is an apparatus for storing and delivering a liquid cryogen. The apparatus is a dewar having a rotating liquid cryogen intake (44), a rotating gas supply/vent (54), and a rotating capacitance gauge. Also disclosed is a system a...
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WO/1994/007555A2 |
A pulmonary resuscitator is set forth of the type having a compressible bladder (1) to be depressed to supply air to a mask (28). Both the compressible bladder (1) and mask (28) have integral therewith a network of inflatable tubes (2) w...
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WO/1994/004224A1 |
An oxygen breathing control apparatus employing a first stage regulation module (73), a valving module (4) which couples with the first stage regulation module, a servo regulator module (6) and an aneroid module (7). The servo regulator ...
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WO/1994/002206A1 |
A breathing device comprising a bag of flexible material (1) and a flexible hose (4) in fluid communication with the interior of the bag. The flexible hose is provided with a mouthpiece (6) so as to allow a wearer of the device to exhale...
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WO/1994/001678A1 |
The disclosure relates to a collapsible flexible pump (10) which includes an inflatable spring framework (12). The inflatable spring framework is formed by attaching a layer of flexible material over selected exterior portions of the fle...
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WO/1993/025260A1 |
A compressor (1) driven by motor (3) sends to a nasal mask (4) a breathable gas at a low positive relative pressure. The motor (3) is controlled in order to maintain the pressure in the delivery pipe (2) of the compressor (1) substantial...
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WO/1993/024168A1 |
A personal portable air conditioner or air purifier with a carrying arrangement, which includes a neck strap (11), delivers conditioned or purified air to the head/facial area of the user. The apparatus consists of a filter/fan unit (8, ...
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WO/1993/024169A1 |
A respiratory system for overcoming an airway obstruction or restriction by a demand positive airway pressure arrangement wherein any change in airway patency in a patient causes a constant air flow to be diverted from the patient to a s...
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WO/1993/023102A1 |
Disclosed is a non-wasting respiratory stimulator (10) for providing a CO2 enriched fresh air mixture. The respirator comprises a breathing port (16), at least one vent port (18) and a mixing chamber (14). Also disclosed are methods of t...
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WO/1993/020897A1 |
The invention in its preferred embodiment is a portable life support system providing the wearer of a garment with temperature regulation and a breathable atmosphere using cryogenic technology. Wherein a liquid cryogen is vaporized by he...
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WO/1993/017741A1 |
A system for producing a mixture comprising nitric oxide and air for treatment of medical conditions. The invention enables unlimited production of nitric oxide at any location using only air and a source of electricity. An electric arc ...
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WO/1993/010858A1 |
A breathing mask (1) to be placed on a user\'s head for use during evacuation, relief and/or rescue operations, comprising a face piece (1a) wiht a visual field/window (2), flexible sealing means (6) to seal against the user\'s face in f...
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WO/1993/003794A1 |
Dispositif de respiration d'urgence s'utilisant dans des cas d'évacuation provoqués par des incendies, des accidents chimiques ou des incidents similaires et comprenant un capuchon protecteur thermo-résistant et étanche au gaz (1) co...
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WO/1992/020404A1 |
A single-patient-use disposable carbon dioxide absorbing and air treatment device (40) which avoids use of any moving parts. The invention includes an air impervious container (48) having at least two openings (44, 45) for fluid communic...
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WO/1992/018201A1 |
A method for controlling, in respiration-synchronised manner, a portable air supply unit for a respirator (1) covering at least the nose and/or mouth of the user and having an air inlet (3) and an air outlet (2), is disclosed. The air su...
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WO/1992/016249A1 |
An inhaler device that is able to house multiple removable canisters (40, 50) of medication. The inhaler device may also have extendable and retractable outlet nozzles (65), spacer devices, a cover (60) and assorted cap designs to ensure...
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WO/1992/009332A1 |
The personal equipment for use during operations in noxious surroundings includes a suit made of flexible body portion (10) and a helmet (12) provided with a transparent visor and having its own supply of respiratory gas from a gas suppl...
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WO/1992/002269A1 |
A device (10) for the application of continuous positive airway pressure (CPAP) delivering 100 % oxygen during thoracic surgery utilizing one-lung anesthesia. The device (10) consists of a hollow, cylindrical member (11) serving as a con...
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WO/1991/018637A1 |
An emergency oxygen supply system (21) is disclosed in which an oxygen tank (30) and valve body (32) are mounted on a bracket (22) including a pin (38) maintaining a valve (58) within the valve body (32) in a position (20) blocking fluid...
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WO/1991/015265A1 |
Un syst�me respiratoire � circuit ferm� ou demi-ferm� pour la p�n�tration dans la fum�e ou dans un environnement similaire comprend un sac respiratoire � commande pneumatique (1) communicant par circulation (4, 5, 6) avec...
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WO/1991/003278A1 |
This invention is an integrated anthropomorphic g-suit, with a breathing regulator and means for protecting the user of the suit from hostile environments. The suit has a flexible, distensible, impermeable inner liner that conforms to a ...
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WO/1991/000120A1 |
This invention relates to a smoke-proof helmet (1) which is used primarily for preventing suffocation in case of a fire hazard and has the function of supplying fresh air. The helmet has a compressed air container (4) in the helmet cover...
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WO/1990/005564A1 |
The self-contained breathing apparatus for use in a noxious or oxygen-deficient atmosphere with redundant first stage pressure reducers (62, 64) and redundant second stage pressure demand regulators (76, 84; 78, 86) which together serve ...
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WO/1990/002078A1 |
An object of the present invention is to provide a simplified respirator capable of protecting the eyes of a man acting with his eyes open in the water or smoke when a ship sinks or when a building is on fire, and of supplying air or oxy...
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WO/1990/000421A1 |
The self-contained emergency respiratory apparatus comprises a hood (10) which surrounds a person's head in a substantially airtight manner and an assembly (18) consisting of a cylinder of respirable gas under high pressure (20), a press...
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WO/1989/010771A1 |
A patient demand valve (12) is automatically cycled open to provide selected volumes of oxygen at selected intervals. A pneumatic controller (10) connected to an oxygen supply provides a control pressure to operate the demand valve (12),...
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WO/1989/007961A1 |
A respirator (10) especially constructed for flight crews has a harness strap (20) which can be inflated to a somewhat rigid, self-sustaining orientation to permit one-handed placement of the respirator over the wearer's head. Once the r...
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WO/1989/000874A1 |
A respiratory mask (1) preferably intended to be used by allergics comprises a cover (2) which is open upwardly but sealingly connected to the chin portion of the user immediately below the under lip by means of a hose (6) forming part o...
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WO/1988/006047A1 |
A closed-circuit breathing apparatus with a simplified start-up procedure. The demand valve diaphragm (38) has in it a one way valve (51 and 52) that allows exhaled breath to escape from the apparatus. Movement of the diaphragm reciproca...
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WO/1988/004187A1 |
A mouth to mouth resuscitation device (12) embodying a novel, one piece resiliently deformable valving member (36) which permits flow of air through the device in a direction toward the patient but effectively blocks flow of air and flui...
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WO/1987/001949A1 |
Breathing apparatus for aircraft passengers and others comprising: a) means (1) for supplying respiratory gases to a user, said supply means being detachably connectable to a first respiratory gas source (3), and thereby constituting a f...
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WO/1986/006971A1 |
Protection hood against smokes and hypoxy usable more particularly for the protection of the crew on board of aircrafts. Said hood is characterized in that it comprises at its base and inside the sealed envelope a closed tube (3) surroun...
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WO/1986/006643A1 |
A respirator (1) has a fan (5) operable at two speeds to permit the respirator to be used either with a first type of filter element (3G) for removing gases (or vapours) or with a second type of filter element (3P) for removing particula...
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WO/1985/004334A1 |
An emergency escape breathing apparatus designed for a single use and throw-away function and to provide a short term air supply to the wearer in a dangerous environment including a smoke filled or burning building comprising a relativel...
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WO/1984/004687A1 |
A user-controlled, self-contained breathing apparatus (10) designed to be light weight and simple in construction for use in normal or emergency situations comprising an oronasal mask (12) defining a breathing chamber (16), a gas supply ...
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WO/1982/004386A1 |
The resuscitator unit (10) has a plurality of bellows assemblies (20) cyclically actuated, by motor (62) through a drive train (52, 58, 60) to provide pressurized air through a plurality of valved conduits (14) to the associated face mas...
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WO/1982/002492A1 |
A life support system is provided for users located within enclosed areas to supply them with fresh air from a location exterior of the enclosed area, and is particularly adapted for use in emergency circumstances such as when fire and s...
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WO/1981/003618A1 |
A lightweight portable, self-contained, closed-type breathing apparatus (10) designed to satisfy existing requirements in the United States by the Mine Safety Health Administration and be more compact and lightweight, comprising an oxyge...
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JP2024051422A |
An object of the present invention is to provide a protective device that suppresses impact applied to the wearer's head and adhesion of chemical solutions, and can be comfortably handled. A head protector characterized by having a chemi...
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