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6789540 |
Respirator
A respirator includes a hollow body defining therein a fresh air body and an exhaust air body. The fresh air body includes a fresh air inlet and a first breathing pipe. The exhaust air chamber...
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6786216 |
Sealed back pressure breathing device
A hand-held breathing device for use by patients having respiratory problems creates a sealed backpressure in the airways of the patient by creating resistance to exhalation. A peep valve is...
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6782888 |
Breathing apparatus
The invention refers to a new type of ventilator, which has a compact block, in which rigid pipes and a gas supply container are integrated. The new structure is more compact than conventional...
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6772785 |
Demand valve for breathing apparatus
There is described a demand valve for a breathing apparatus wherein a pilot jet of the demand valve is controlled by a pivoting lever resiliently held against a planar face in which the pilot jet...
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6772754 |
Breath actuated nebulizer controller apparatus and method
A nebulizer system includes a T-piece together with both a nebulizer and a breath-actuated controller connected to the T-piece. The nebulizer has a nebulizer inlet and the nebulizer is adapted to...
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6766800 |
Pressure regulating valve for use in continuous positive airway pressure devices
A valve for use in continuous positive airway pressure (CPAP) devices includes a valve body that is disposed at or between the patient mask and the source of positive airway pressure. The valve...
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6763829 |
Reliability-enhanced apparatus operation for re-breathing and methods of effecting same
Methods and apparatus for enhancing reliability of, and monitoring, the operation of airway valves to enhance patient safety. Pneumatic control line pressure (positive or negative) for actuation of...
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6739338 |
Neo-natal oxygen delivery system
A system for delivering warm, humidified oxygen to patients at very low flow rates, the system including a conduit having an inlet connected to a source of humidified oxygen at a first flow rate...
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6739334 |
Expiration cassette that is removably insertable in the expiration section of a ventilation
An expiration cassette is removably insertable in a receiving section of a ventilator and contains a gas passage, an expiratory valve and a flow meter. The expiratory cassette also has a locking...
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6729331 |
Pressure regulator
A pressure regulator suitable for use as a breathing demand valve in self-contained breathing equipment comprising a first chamber incorporating an inlet port having an inlet valve therein,...
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6725858 |
Valved aerosol tee adapter assembly
A valved aerosol Tee adapter assembly comprises a housing member having an upper section with a first interior passageway, a spring chamber between the first passageway and the inner wall of said...
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6718980 |
Treatment of carbon monoxide poisoning
An improved therapy for both clearing the blood of unwanted carbon monoxide and anaesthetic chemicals and for rapidly re-oxygenating blood suffering from carbon monoxide poisoning or smoke...
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6718979 |
Oxygen mask assembly
An oxygen mask assembly including an oxygen dilutor assembly with air inlet apertures located in a top wall thereof for diluting the oxygen flowing therethrough. In one embodiment, the mask...
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6708691 |
Valve and oscillator for producing a pressure waveform
A valve for controlling gas flow to ventilator or physiotherapy apparatus, has a body having first and second inlet ports and an outlet port. A shutter plate is rotatable with respect to said body...
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6708690 |
Apparatus and method for providing high frequency variable pressure to a patient
A high frequency pressure oscillation device and method of providing high frequency pressure oscillations to a patient. The device includes a patient circuit coupling a gas source to an airway of a...
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6708692 |
Demand flow control valve
An apparatus meant for human use to supplement breathing while at high altitude in aircraft for emergency use. The apparatus includes a valve as an actuator to discharge oxygen into an attached...
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6694976 |
Oscillating air pressure generator, diaphragm unit, and high-frequency artificial respiration apparatus using the same
An artificial respiration apparatus includes a frame having a positive pressure input port, a negative pressure input port, an atmospheric port and an output port. A switching member switches...
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6681762 |
Method and an apparatus for providing a constant medicine dose for an inhalic application at low inhalic flow
A device for flow rate limitation at low differential pressures, particularly for limiting the volumetric inhalation flow during inhalation of therapeutic aerosols, consists of a housing 11 ...
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6672300 |
Respiration assistor
A respiration assistor ( 10 ) for use in an anaesthesia breathing system. The respiration assistor is intended to provide respiratory assistance for a patient ( 14 ) who is breathing spontaneously...
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6666226 |
Series/parallel relief valve for use with aircraft gaseous oxygen system
A reliable and economical apparatus for relieving pressure in a large aircraft cabin oxygen supply, where multiple oxygen cylinders are used concurrently. A series-parallel array of valves actuated...
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6663574 |
Lung inflection point monitor apparatus connection device
A monitor-patient connector used with a lung inflection point monitor for measuring critical opening pressure, over distention pressure, and critical closing of lungs. The monitored-patient...
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6655379 |
Aerosolized active agent delivery
The present invention is directed to methods and devices for delivering an active agent formulation to the lung of a human patient. The active agent formulation may be in dry powder form, it may be...
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6655382 |
Spontaneous breathing apparatus and method
A spontaneous breathing apparatus and method. The apparatus includes: a source of oxygen containing gas ( 7 ); a catheter ( 5 ) in flow communication with the source of oxygen containing gas ( 7 )...
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6647983 |
Low-pressure valve
A low-pressure valve enabling precise control of a fluid flow rate through the valve during cyclical operation of the valve. The valve is useful for controlling air delivery to a patient as part of...
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6647982 |
Gas flow device
A gas flow regulator includes a one-piece housing with an internally disposed flowmeter. The flowmeter is screwed into the housing. A fitting, such as a hose barb, extends through the housing and...
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6644316 |
Variable aperture venting for respiratory mask
A respiratory mask having a variable flow venting is provided according to the invention, including a gas supply hose, a mask shell adapted to output a gas to a respiratory system of a person, the...
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6644313 |
Breathing assistance apparatus
A pressure regulating device for use with a breathing assistance apparatus which conveys gases to a patient requiring breathing assistance. The device includes a valve member disposed within a...
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6640807 |
High frequency oscillation ventilator
A high frequency oscillator (HFO) ventilator has an oscillator unit for alternately supplying a volume of gas (“oscillator volume”) to and removing the oscillator volume from a proximal end of...
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6634357 |
Resuscitation valve assembly
A resuscitation valve assembly includes a housing with an inlet port adapted to be connected to a pressurized breathable gas source, such as oxygen, an outlet port adapted to be connected to a...
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6634355 |
Single breath induction anesthesia apparatus
A single breath induction anesthesia apparatus for anesthetizing a patient, comprises a gas delivery system for delivering at least one gas to the patient, an oxygen supply system for providing...
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6634356 |
Continuous positive airway pressure controller
A CPAP controller that supplies oxygen enriched air to a respiratory circuit that utilizes a venturi-jet arrangement within a chamber, which enriches ambient air. Ambient air is drawn into the...
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6631716 |
Dynamic respiratory control
A dynamic respiratory control device includes a fast-response valve capable of dynamically imposing multiple resistive loads on the flow of respiratory gas to and from a patient. The resistive...
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6629530 |
Single-element sealing valve for a respiratory support system
An access port closure valve for use with a respiratory support system is provided. The access port closure valve has a sealing member that has a first and second sealing lip. The sealing lips are...
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6626170 |
Drug delivery devices
The invention relates to improvements to drugs delivery devices, in particular, those for dispensing a metered dose of medicament. There is provided apparatus (10, 110) for dispensing a medicament...
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6619285 |
Ambient air breathing device
An automatically closing ambient air device is disclosed having a generally conical passageway, containing an inlet for the flow of fluid from the ambient environment into the passageway and an...
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6619286 |
Pressure regulator for a respirator system
A regulator assembly is provided for use in a respirator system to supply a regulated flow of air to a respirator head piece. The respirator assembly comprises a housing ( 15 ) having an air inlet...
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6615831 |
Pressure support system and method and a pressure control valve for use in such system and method
A pressure support system having enhanced noise reduction and a valve assembly for use in pressure support system. The pressure support system includes a pressure generator having an inlet and an...
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6615830 |
Swivel device utilizing bearing clearance to allow carbon dioxide laden exhaust
A swivel exhaust conduit for rotatably connecting a patient mask to the delivery conduit of a positive pressure air supply. The swivel exhaust conduit design provides an exhaust port that utilizes...
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6612307 |
Oxygen conserver
An oxygen conserver having sensing and delivery ports simultaneously connected with a patient by a dual cannula. Inhalation by a patient produces a partial vacuum to move a sensing diaphragm to a...
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6609518 |
Breathing aid device
An intermittent positive pressure breathing device for neonatal infants. The device is connected to a supply of pressurized oxygen supplied through a first conduit. The first conduit terminates in...
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6609519 |
Distributor for underwater breathing apparatus
Distributor for underwater breathing apparatus, including: a box-shaped body housing a device for regulating the air flow coming from a source of pressurized air; a tube connected to said...
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6604523 |
Apparatus and methods for enhancing cardiopulmonary blood flow and ventilation
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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6603229 |
Linear actuator with threaded captivation sleeve, captive lead screw, and spring pre-load adjustment
In a preferred embodiment, a linear actuator, including: front and rear end bells; a stator structure; a rotor structure having first and second bearings journaled, respectively, in cavities formed...
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6588421 |
HME bypass system
A HME bypass system including a manually actuated bypass valve which is coupled into a respiratory air circuit, preferably upstream of the HME, to permit inspiratory air to be selectively passed...
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6581636 |
Valve body for dive tank with two outlets, and dive tank provided with a valve comprising such a body
The body of the valve has two outlets whose axes are offset in the direction of the axis of the mounting base by a distance greater than 5 mm, typically between 20 and 60 mm, the spacing between...
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6581600 |
Interface apparatus and combination and method
Interface apparatus for use by a patient having a patient airway and for use with a mechanical ventilator having inspiratory and expiratory tubing. An intrapulmonary percussive ventilator having an...
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6571796 |
Tracheal pressure ventilation respiratory system
Embodiments of the present invention described and shown in the specification and drawings include a respiratory system for automatically and variably controlling the supply of a pressurized...
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6568391 |
Oxygen therapy apparatus
An oxygen therapy apparatus for supply of oxygen to patients. The device comprises an inlet port ( 17 ) for receiving high pressure oxygen from a cylinder and an outlet port ( 1 ) for supplying...
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6564798 |
Method and computer software product for controlling an expiratory valve in a ventilator
In a method for controlling an expiratory valve in a ventilator during expiration, including a stage in which the expiratory valve is opened almost completely for a first interval. Opening the...
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6557555 |
Vent valve apparatus
A vent valve apparatus for use with a system for supplying breathable gas pressurized above atmospheric pressure to a human or animal includes a gas washout vent, a vent valve adapted to...
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