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6536433 |
Directional valve
A directional valve for respiratory devices has a valve body and a valve seat whose contact surface with the valve body is primarily horizontal. In order to enhance and reinforce the directional...
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6536431 |
Oxygen dispenser
An oxygen dispenser for dispensing substantially pure oxygen or highly oxygen enriched air. The dispenser has an oxygen concentrator or an oxygen/oxygen-enriched air-containing cylinder in fluid...
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6526967 |
Crew oxygen mask stowage assembly including selective depressurization valve
An improved crew oxygen mask and stowage assembly combination ( 10 ) is provided including a stowage box ( 12 ) equipped with a door ( 22 ), with a crew mask assembly ( 14 ) made up of a mask ( 48...
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6526973 |
Apparatus and methods for assisting cardiopulmonary resuscitation
According to the invention, methods and devices for increasing cardiopulmonary circulation induced by chest compression and decompression when performing cardiopulmonary resuscitation are provided....
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6527011 |
Flexible retainer ring for duck bill valve
An improved one-way valve for use in breathing apparatus comprising a valve housing, a one-way valve disposed in the valve housing that is in sealing contact to the valve housing, and a flexible...
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6526974 |
Pressure control in CPAP treatment or assisted respiration
The pressure of breathable gas exiting a flow generator is controlled by adjusting the efficiency of the flow generator. In one embodiment, a baffle plate of a control element can restrict the open...
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6520177 |
Device for providing protection against hypoxia, usable in a hostile environment
The device has a face cover, a mouth-and-nose mask, and fasteners for holding the face cover on the face. The face cover is provided with a flexible gasket surrounding the eyes, a sea means at its...
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6520180 |
Device for measuring a breathing gas component in a breathing gas line
A device with a gas sensor for measuring a breathing gas component in a breathing gas line is improved such that a pressure correction of the gas concentration measurement can be performed without...
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6516800 |
Neonatal patient ventilator circuit
A disposable neonatal patient ventilator circuit for an automatic ventilator. All components that are exposed to contamination from the patient are packaged together in a disposable unit external...
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RE37974 |
Uni-directional fluid valve
A uni-directional fluid valve particularly for use as an exhalation valve for a filter mask comprises a flexible flap attached at one end to a concave portion of a seat. The mounting of the flap...
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6484720 |
Five spring regulator
An oxygen gas therapy regulator is provided which is small in size and has particularly uniform output characteristics. The regulator uses five springs evenly spaced around a circle concentric with...
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6484721 |
Pneumatic oxygen conserving device
A pneumatic oxygen conserving device for efficiently dispensing oxygen or other gas used during respiratory therapy such that only the first part of the patient's breath contains the oxygen or...
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6467480 |
Procedure and device for the movement and volume measurement of fluids and gases and device for the implementation of a respiration
A device and method for movement and measurement of fluid volumes involves defining a fluid volume in a measuring chamber of a rotation vessel by at least first and second pistons movable within...
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6467479 |
Method and apparatus for delivering a measured of a gas
The present invention uses a ventilator and a series of valves to deliver a special gas into a patient. The present invention finds use in the field of MRI imaging. Attached to the tube extending...
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6446630 |
Cylinder filling medical oxygen concentrator
Apparatus for use with a medical oxygen concentrator for supplying oxygen enriched air to a patient and to a cylinder filler. The apparatus includes a flow control valve which is controlled by a...
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6446629 |
Artificial respiration apparatus
The present invention provides an artificial respiration apparatus 12 of a high oscillation type, in which oxygen supply to a patient P and exhaled gas discharge are urged by an oscillating gas...
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6443153 |
Arrangement in protective device
An air breathing arrangement including an air feed inlet and a mask for covering the nose and mouth of a person. The air feed inlet and the mask are connected by a collar which serves as an...
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6435032 |
Air supply pressure regulator with supply tank pressure gauge and air supply port
An improved regulating and gauging device for attachment to tank fed breathing apparatus used in such endeavors as scuba diving or fire fighting. On the body of the device are components which...
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6431170 |
Fluid mixing apparatus, method and system using same
A fluid mixing apparatus and method in a fluid supply system that mixes a secondary fluid flow with a primary fluid flow in such a manner so as to minimize disruption of the fluid flow profile for...
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6427692 |
Valve
A valve, particularly suited for use with a patient ventilation system to regulate respiration gas flow to and from the lungs of a patient has a substantially parallel, co-axial, arrangement of...
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6427691 |
Medical valve
The disclosure is of a medical valve for handling oxygen and suction and including a suction flow path in which there is a means for throttling down the flow to a level at which there are no,...
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6427690 |
Combined oxygen regulator and conservation device
A combination flow regulator and conservation device, for oxygen gas or oxygen concentrated gas, attachable to an oxygen tank or wall outlet of a master oxygen system and containing a gas regulator...
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6425396 |
Sensing valve motion limiting mechanism for respiratory equipment
Respiratory equipment coupled in interruptible fluid communication between a recipient and a source of pressurized respiratory gas and adapted for controlling delivery of the pressurized gas to the...
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6416036 |
Sealing arrangement between flow regulator and shut-off valve attached to oxygen cylinder
The present invention provides a sealing arrangement between a flow regulator and a shut-off valve attached to an oxygen cylinder. The shut-off valve includes a casing which is adapted to be...
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6415793 |
Dual direction valve system
A dual direction exhalation valve is disclosed herein. The exhalation valve includes first and second sealing discs which are each movably mounted within a housing. The first sealing disc includes...
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6412485 |
Surface breathing vent for breathing apparatus
A surface breathing vent device for a mask permits the user wearing the mask to breathe ambient air prior to diving under water or entering an oxygen-poor environment and includes a support plate...
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6394088 |
Oxygen-delivery system with portable oxygen meter
An oxygen-delivery system comprises a portable oxygen meter including a low-pressure oxygen inlet, a low-pressure oxygen outlet, and an exhale-inhale sensing port, an oxygen-supply source including...
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6394091 |
Breathing apparatus
A breathing apparatus includes a regulator which delivers air to a user wearing a mask. The regulator is connected to the mask through an adaptor. The adaptor includes an exhalation valve which...
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6394089 |
Patient ventilator oxygen concentration system
The present invention called a patient ventilator oxygen concentration system advantageously utilizes an existing suitable air supply and provides a modular oxygen concentrator that uses the...
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6386235 |
Ambulatory cylinder recharging and dispensing valve
An in-home stationary oxygen delivery system provides oxygen to patients by way of a standard oxygen concentration process and delivers the oxygen to a patient through industry standard ports such...
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6378520 |
Variable pressure and flow control for a pneumatically-operated gas demand apparatus
Pneumatically operated gas demand equipment coupled in interruptible fluid communication between a recipient and a source of pressurized respiratory gas and adapted for controlling delivery of the...
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6371117 |
Directional valve
A directional valve for a breathing apparatus, such as an anaesthetic machine, has a valve seat with a valve port and a valve plate resting loosely on a valve seat. The valve plate has a soft,...
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6364161 |
Oxygen conserver
A pneumatic oxygen conserver for providing oxygen to a patient. The conserver includes a body having a cavity and a main diaphragm dividing the cavity into first and second chambers. A first inlet...
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6354294 |
Oxygen delivery system for portable ventilation
A portable oxygen delivery system supplies oxygen during prolonged transport via ambulance or helicopter to patients who are critically ill and in need of ventilatory support. The system includes...
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6354291 |
Diving regulator with valved mouthpiece
A second stage diving regulator of the type used by scuba divers is provided. The regulator comprises a regulator housing and a mouthpiece. The regulator housing includes an inhalation chamber...
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6349723 |
Anaesthetic machine
An anaesthetic machine has a gas flow system with a variable-volume gas container for breathing gas, a fresh gas system for supplying the fresh gas system with a flow of fresh gas and a control...
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6347630 |
Respiration-synchronized oxygen supplying apparatus
A respiration-synchronized oxygen supplying apparatus includes a sensor detecting respiration of human being, a valve connecting and disconnecting communications between a first gas passage coupled...
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6343603 |
Connector
A connector has a main body with a breathing gases passageway extending therethrough. A connection at one end of the passageway is configured to engage with the expiratory tube connection of a...
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6334441 |
Phonation valve for breathing tube
In accordance with the present invention, a phonation valve which is cooperatively connectable to a breathing tube connected to a patient's airway, includes a valve body having first and second...
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6332464 |
Scuba diving regulator
A scuba diving regulator includes a casing, a mouth piece, an air valve unit, an audio unit, a nozzle unit, an air charge unit and an air discharge unit. The casing has an alarm connector, a...
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6328030 |
Nebulizer for ventilation system
A nebulizer assembly for engagement in a ventilator circuit is provided in which the nebulizer can be used, maintained and serviced without breaking the ventilation circuit or causing turbulence in...
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6318366 |
Supply valve and diaphragm for a pneumatically-operated gas demand apparatus
A supply valve for a pneumatically-operated gas demand apparatus or an intermittent gas delivery device disposed between a source of pressurized respiratory gas and a patient. The valve includes...
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6305375 |
Control valve actuated by low-pressure and low-flow-rate control fluid
A control valve actuated by a low-pressure/low-flow-rate control fluid. The valve housing has a control-fluid channel, a second-fluid channel, and a piston which is movable between open positions...
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6302104 |
Interlock arrangement for evaporators in an anesthesia apparatus
An interlock arrangement for evaporators in an anesthesia apparatus having at least two evaporators for setting a desired gas concentration prevents more than one evaporator from being activated at...
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6283122 |
Exhalation valve for respirator
An exhalation assembly which includes a hollow flow-through body, having an air inlet port and an air outlet port. The inlet port is arranged to receive air for supplying to a patient, and the air...
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6279575 |
Regulator with bypass tube
A regulator includes a box-like body containing a device for regulating the flow of air. A tube connected to the box-like body carries a mouthpiece. An air inlet hose is connected to the box-like...
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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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6260550 |
Device and process for controlling a respirator
A respirator with an inhalation line (5) connected to a gas supply device (2) and with an exhalation line (7) connected to an exhalation device (3), with a Y piece (8) connecting the inhalation...
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6253764 |
Control of delivery pressure in CPAP treatment or assisted respiration
A pressure control apparatus (10) for CPAP treatment or assisted respiration. The apparatus (10) includes an inlet chamber (20) for connection to a primary supply of air or other breathable gas at...
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6247471 |
Smoke hood with oxygen supply device and method of use
An emergency breathing device including a hood having use and storage configurations, which when compactly wrapped proximate to an oxygen control device for storage is recoverable for use. In use...
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