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7360538 |
Oxygen therapy face mask
An oxygen therapy face mask has a face engaging portion and a valve assembly connected thereto. The valve assembly has a first passage communicating with the interior of the face engaging portion...
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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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7219668 |
Manually-operable resuscitators
A manually-operable resuscitator operable also to inject medication into air being supplied to a patient. The resuscitator has a resiliently compressible air bag having an inlet and an outlet. The...
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7121278 |
Method and apparatus for manual delivery of volume and pressure-control artificial ventilation
A combination of a bellows structure ( 12 ), volume restrictor, and pressure restrictor for use on a hand-operated resuscitator is provided to enable delivery of ventilation within specific volume...
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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...
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7082946 |
Method and apparatus for protecting the passengers of an airplane against hypoxia
In order to protect the passengers of an airplane against the effects of depressurization of the cabin, breathing masks are fed with oxygen at a rate which is an increasing function of cabin...
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7077135 |
Resuscitators, parts and assemblies
A squeeze bag resuscitator has a flow diverter push fitted onto its exhaust outlet in any desired orientation. The diverter has a color change carbon dioxide indicator strip fixed to the inside...
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7032596 |
Cardiopulmonary resuscitation device and method
A cardiopulmonary resuscitation device and method that combines artificial, emergency ventilation of a patient's lungs with chest compressions on the patient's sternum area. The device includes a...
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6990979 |
Breathing equipment with a circuit for breathing gas
Breathing equipment with a circuit for breathing gas and with a flat calcium hydroxide absorber ( 1 ) is cooled by an evaporating agent with improved cooling. A gas volume flow of at least 60 L per...
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6988499 |
Mechanical resuscitator
An improved resuscitator including a pump, a base member for positioning over the sternum area of the patient's chest, coupling structure for allowing gas to pass from a passageway of the base...
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6929006 |
Device and process for metering breathing gas
A respirator with a tidal volume-measuring device ( 6 ) between a respiration bag ( 8 ) and a patient adapter ( 2 ) provides accurate metering of the tidal volume. The device includes a first...
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6796307 |
Multiple person high altitude recycling breathing apparatus
A life support system has a semi-closed rebreather supplying oxygen for multiple users, such as high altitude parachutists. A first tank supplies oxygen to initially purge the system, and a second,...
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6792947 |
Flow control valve for manual resuscitator devices
An improved manual resuscitation device such as a bag-valve-mask (BVM) device with flow control valve to eliminate the danger of patient distension and aspiration of stomach contents during...
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6718978 |
Manual ventilation bag
A manual ventilation bag has a first opening and a second opening, a first soft bag connected to the first opening and a second soft bag connected to the second opening. The manual ventilation bag...
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6508250 |
Disposable oxygenating device
A disposable oxygenating device ( 2 ) comprising a body ( 4,40 ) and a collapsible bag ( 16 ) coupled thereto, the body including first coupling means ( 6 ) being couplable to a source of oxygen,...
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6443149 |
Closed circuit escape breathing apparatus
A closed circuit breathing apparatus comprising: a container containing a reactant for reacting with carbon dioxide and water to produce oxygen gas; a housing for the container; a foldable...
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6397844 |
Respiration apparatus
A portable apparatus for ventilation support to persons with respiratory distress is provided with a compressed air pump. The pump may be connected to the mouth or the nose via a tube for...
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6352077 |
Film welded reservoir bag for breathing circuit and method of making the same
A pulmonarily sized bag formed of a non-latex material, including a bag body formed of panels of resin film material welded to one another along a weld line defining a seam of the bag body bounding...
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6345618 |
Cuirass ventilator and seal therefor
A cuirass type ventilator compresses a shell member having a peripheral edge and a sealing device secured to the peripheral edge, the sealing device compressing a scaling member depending from the...
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6340023 |
Rebreather nebulizer device
An apparatus for delivering a highly concentrated mixture of aerosolized liquid and pressurized gas to a patient including a collapsible membrane defining a chamber, the membrane further defining a...
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6283121 |
Manual pump and Ambu bag
An improved manual pump is disclosed. The manual pump comprises a pair of side plates (10), a flexible cylindrical wall (15), a pump chamber (21), an axial shaft (11), a coil spring (12) and a pair...
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6276363 |
Portable emergency safety resuscitator
A resuscitator having a collapsible bag with an inlet for attachment to a source of oxygen. The collapsible bag has a major outlet and a minor outlet. The major outlet is connected to a first arm...
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6253767 |
Gas concentrator
A gas concentrator adaptable for use within a breathing apparatus, particularly for use within a resuscitator, Trach T, patient tee, or a high oxygen concentration mask. The gas concentrator...
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6102034 |
Breathing equipment
Breathing equipment including a breathing hood to surround a wearer's head. An inner mask covers at least the wearer's mouth and nose. The equipment includes a breathing gas delivery conduit and...
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6041781 |
Breathing bag
A breathing bag for inclusion in an open-circuit respirating system in which anaesthetic gases are supplied from an inlet duct (10) to a mask connected at (11). The bag (13) is connected at one end...
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6003513 |
Rebreather having counterlung and a stepper-motor controlled variable flow rate valve
A re-breather that includes an inhalant counterlung (18) and an exhalant counterlung (20), with a mouthpiece (30) disposed therebetween. Gas flows from the counterlung (18) to the mouthpiece (30)...
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5996579 |
Bag-valve-mask resuscitator attachment
An improved medication introducing device for airtight connection between a bag-valve mask resuscitator apparatus, or other similar pre-hospital emergency respiratory device, and an endo-tracheal...
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5839435 |
Mouthpiece unit for semiclosed-circuit breathing apparatus
A mouthpiece unit (6) of a semiclosed-circuit breathing apparatus (1) includes a inhaled/exhaled air circulation chamber (61), an inhalation gas supply opening (71) for providing a constant flow of...
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5803074 |
Valve for resuscitator apparatus
This disclosure relates to a valve for a resuscitator apparatus including a resuscitator bag and a reservoir bag. The valve is mounted in a coupling between the two bags. The valve comprises a reed...
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5803064 |
Anesthesia system for use with magnetic resonance imaging systems
An anesthesia system for use in MRI suites is provided. The anesthesia system is connected between an anesthesia machine positioned outside the MRI suite and a patient positioned within the MRI...
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5778876 |
Self-contained oxygen rebreather with semi-permeable membrane to vent excess helium
A self-contained underwater breathing loop apparatus for an oxygen rebreather includes a breathing bag formed to act as a compliant volume and a semipermeable membrane arranged to divide the...
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5769072 |
Anesthetic system with multiple valve-controlled bellows
An anesthetic system has an external gas reservoir and three gas bellows arranged in the external gas reservoir to alternatingly collect or deliver breathing gas from and to a ventilator unit. In...
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5682876 |
Absorber switch locking device
A locking device is disclosed for attachment to an absorber used in an anesthesia system and which provides assurance that the bag to ventilator switch cannot be put in the ventilator position for...
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5678540 |
Breathing gas system
A breathing gas system, primarily intended for use during anaesthetization of patients, has a respiratory circuit, a drive gas apparatus and a pressure-transmitting bellows device, connected by a...
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5613488 |
Chemical oxygen generator breathing device with the exhalation bag within the inhalation bag
A chemical oxygen device having one or more CO 2 -bonding and O 2 -releasing chemical canisters (2) arranged in a housing (1); a breathing bag (3) for the exhaled air, which itself is arranged in...
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5520173 |
Ventilation bag
A ventilation bag for a manually operable ventilation device for the artificial ventilation of humans. The bag is made of an elastic, gastight material in the form of an elongated hollow body, with...
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5511544 |
Non-resistant respiratory exerciser
A device for exercising respiratory muscles. By creating a cavity within its bottle like body, the device is able to trap a sufficient amount of exhaled CO 2 , to prevent a subject from...
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5492114 |
Non-rebreathing oxygen mask
A non-rebreathing oxygen mask for supplying a continuous flow of oxygen to a patient. The non-rebreathing oxygen mask includes a face mask portion for enclosing the mouth and nose of a patient, an...
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5471978 |
Canister for semi-closed breathing apparatus
A canister for use in a semi-closed type of breathing apparatus for removing carbon dioxide from breathing air circulating in a breathing circuit. The filling portion of the canister is designed in...
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5408995 |
Continuous flow passenger oxygen dispensing unit
A continuous flow passenger oxygen dispensing unit of the type used on pressurized aircraft by passengers during decompression emergencies. The present invention includes an integrally reinforced...
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5368020 |
Automatic breathing apparatus for underwater immersion at medium and great depth
The disadvantages of operation "rigidity" found in automatic breathing apparatus according to the prior art are overcome by means of a regulator group made in a number of versions and capable of...
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5322058 |
Gas mask and breathing equipment with respiration air recirculation
A gas mask and breathing equipment with a breathing mask with a respiration gas outlet and a respiration gas inlet, to which a breathing bag as well as a filter and a fan are connected. The fan is...
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5315988 |
Reactive, closed-circuit underwater breathing apparatus
This invention comprises a tunable underwater breathing apparatus (UBA) in hich the resonant frequency of the UBA may be adjusted to meet the diver's breathing frequency by controlling the...
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5265597 |
Passenger oxygen mask having a plurality of fingers and recesses for mounting the mask to an oxygen bag
A lightweight, easily maintainable passenger oxygen mask is provided with a face mask sized to cover the mouth and nose of a passenger and a reservoir bag in communication with the face mask....
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5245996 |
Anaesthetic system valve for converting between Mapleson `A`, `D`, and `E` c
A valve for an anaesthetic rebreathing system includes a valve body, a selector member situated within the valve body and a relief valve which forms an integral part of the valve. The valve can be...
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5233977 |
Anesthesia/breather bag with a roughened exterior surface
A breather bag (10) is adapted for use with a breathing circuit (12). The exterior surface (38) of the bag (10) is roughened and substantially non-uniform for ease of gripping by an anesthesist...
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5222479 |
Oxygen self-rescuer apparatus
A self-contained portable personal breathing apparatus that has a casing housing a canister containing an oxygen evolving chemical. The casing is disposed inside a cover which is disposed inside a...
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5217006 |
In or relating to a resuscitator
A manually operated resuscitator is provided. The resuscitator has an inner member provided in an outer member. The inner and outer members have an arrangement of apertures and valves to enable...
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5196263 |
Rubber articles having a textured surface and a method for their preparation
A rubber article formed from a rubber composition having a rubber component is provided wherein the article has a texture coating thereon. A texture coating mixture is formed from a mixture of a...
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5195516 |
Breathing gas recirculation apparatus with reduced work of breathing
A breathing apparatus is provided for use, particularly by divers, in recirculation of a breathing gas. The apparatus has a supply line for supply of gas to a user and a return line for return of...
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