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7387121 |
Valve for aerosol container
There is provided a propellant-operable self-activating and self-returning metering valve for an aerosol container for dispensing a formulation comprising a substance in a fluid propellant...
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7383838 |
Mechanical return blocking device
It is an object of the present invention to provide a mechanical blocking device by means of which the user will only be able to initiate an event by activating a stroke of the button or lever past...
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7373943 |
Self-contained breathing apparatus facepiece pressure control method
An electro mechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20′ ), also referred to as all-electronic (AE) assembly ( 20′ ), includes an...
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7370662 |
Quick connect pressure reducer/cylinder valve for self-contained breathing apparatus
A quick pressure reducer and cylinder valve for use with an SCBA includes a cylinder valve that connects to a pressure vessel, a pressure reduction assembly for reducing the pressure of breathing...
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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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7347203 |
Heat and moisture filter exchanger and method
A heat and moisture exchanger for both conducting a stream of air produced by a ventilator to a moisturizing medium and internally bypassing the moisturizing medium if aerosolized medication is...
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7341059 |
Breathing assistance apparatus
A connector for resuscitating an infant or neonate is disclosed. The pressure is varied between Peak Inspiratory Pressure (PIP) and Peak End Expiratory Pressure (PEEP) by the occlusion of the PEEP...
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7334772 |
Pressurized breathable gas pressure regulator
The high pressure gas inlet channel ( 6 ) of the pressure regulator ( 1 ) is formed upstream in a stationary valve element ( 7 ) having an enlarged terminal head ( 9 ) interacting with a seat edge...
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7331345 |
Demand regulator protective bellows
A self contained breathing apparatus (SCBA) served by a source of breathing gas with a mask and a demand regulator connected to the mask. The regulator has a flexible diaphragmatic member having a...
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7331343 |
Control of supplemental respiratory oxygen
Methods and systems for supplying supplemental oxygen to patients for use in sub-acute care which maintains healthy blood oxygen content in the patients by controlled dosing of oxygen with a...
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7328703 |
Oxygen delivery cannula system that improves the effectiveness of alveolar oxygenation
The pulmonary oxygen flow control system delivers oxygen from a source of pressure to a nasal cannula worn by the patient. Between the source and the nasal cannula is a pendant flow structure which...
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7328700 |
Respiratory system and method of use
A respiratory protection circuit of the type having an air flow regulator disposed in an air flow path between an air supply and a respirator is improved by including an air flow splitter and a...
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7322351 |
Respiratory mask
A respiratory mask includes: a mask cap defining a chamber and a through-hole in fluid communication with the chamber; and a valve unit including a hollow valve body that projects in an axial...
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7320324 |
Bronchoscopy oxygenation system
A bronchoscopy oxygenation system having a channel for inserting alternately an instrument or fluids and for delivering oxygen to a patient. The system being provided with pressure relief vent and...
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7320322 |
Valve for conducting hyperpolarized gas
The valve of the present invention provides a one-piece valve stem piston having a piston head and a piston stem. The piston head has a larger diameter than the piston stem. The stem incorporates...
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7306657 |
Oxygen concentrating apparatus
An oxygen concentrating apparatus including an output variable type compressor. Oxygen-concentrated gas may be supplied either continuously or synchronized with inhalation or timing of inhalations....
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7302951 |
Unidirectional respirator valve
A unidirectional valve, wherein the valve comprises a valve body including a frame, a valve opening through the frame, and a valve seat extending from the frame and at least partially surrounding...
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7299801 |
Metering valve for a metered dose inhaler providing consistent delivery
The present invention relates to a novel design for a metering valve that provides improved consistency of formulation delivery. Generally, the metering valve includes (a) a valve stem that...
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7275542 |
Bag-valve resuscitation for treatment of hypotension, head trauma, and cardiac arrest
A device for manipulating intrathoracic pressures comprises a compressible bag structure, and an interface member coupled to the bag structure. A one way forward valve is coupled to the bag...
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7261107 |
Breathable pressurized-gas reducing valve
A reducing valve, which includes a water trap, especially useful in diving.
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7255105 |
System for use in administrating therapeutic gas to a patient
A system controls and manages administration of a therapeutic gas, such as NO, O 2 , or the like, to a patient. The system includes an equalizing valve and a reservoir.
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7252110 |
Membrane valve and second stage pressure reducer for two-stage underwater regulators incorporating said valve
A membrane valve wherein the shutter disk is retained in contact with the valve seat during ejection of liquid or gas by means of one or more ribs that are substantially in contact with the shutter...
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7240676 |
Tracheotomy valve unit
A tracheotomy valve unit for use with a tracheotomy tube inserted into a patient's trachea comprises a first end for connection to the tracheotomy tube, a second end comprising a valve unit inlet,...
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7225810 |
Valve for use in high pressure gas containers
An on-off valve mounted in a high pressurized gas container, which has a holding portion for holding a flow amount controlling member in a path formed in an upper stream side of the body of the...
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7224285 |
Gas monitor using electrochemical cell and method of operating
A method and apparatus for gas detection uses a sensor such as an electrochemical (EC) cell and includes a feedback control loop to control a pump to establish a first predetermined gas flow rate...
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7210480 |
Shock treatment systems and methods
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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7207335 |
Mask and vent assembly therefor
A mask ( 10 ) for use with a system for supplying breathable gas pressurised above atmospheric pressure to a human or animal's airways. The mask ( 10 ) includes a mask shell ( 12 ) which is, in...
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7207332 |
Apparatus for administering a gas to a person or an animal
An apparatus ( 1 ) for administering a gas to a person or an animal, is provided with a chamber ( 9 ) for receiving a quantity of gas to be administered. The chamber is provided with a gas line ( 3...
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7204251 |
Diabetes treatment systems and methods
A method for treating a breathing person suffering from diabetes utilizes a valve system that is interfaced to the person's airway and is configured to decrease or prevent respiratory gas flow to...
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7204245 |
Aerosol enhancement device
An aerosol medication delivery apparatus includes a fixed volume holding chamber which is constructed to allow for a uniformly mixed, concentrated bolus of medicated aerosol to be delivered with...
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7201165 |
Medication delivery apparatus and system having a visual indicator
A flow indicating system that includes a conduit that contains a substance, wherein the conduit defines a path along which the substance primarily flows and a viewing port attached to the conduit...
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7195013 |
Systems and methods for modulating autonomic function
In one embodiment, a method for modulating a person's autonomic function comprises interfacing a valve system to the person's airway, the valve system being configured to decrease or prevent...
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7195012 |
Systems and methods for reducing intracranial pressure
In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted...
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7188622 |
Filtering face mask that has a resilient seal surface in its exhalation valve
A filtering face mask 10 that has a mask body and a new exhalation valve 14 . The mask body is adapted to fit at least over the nose and mouth of a person to help define an interior gas space...
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7185674 |
Fluid flow control valve
A fluid flow control valve is disclosed. This valve includes a housing which defines a central passageway having fluid inlet and fluid outlet openings. A pressure responsive element is disposed...
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7185652 |
Gas delivery connection assembly
A patient gas delivery apparatus includes a mask structured to communicate with a patient's airway, a gas flow generator structured to supply pressurized gas, a gas delivery conduit having first...
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7185651 |
Flow regulator for aerosol drug delivery and methods
An aerosolization device comprises a housing having a mouthpiece, and a flow path arrangement in fluid communication with the mouthpiece. The flow path arrangement has a flow regulating valve and a...
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7185649 |
Systems and methods for increasing cerebral spinal fluid flow
In one embodiment, the invention provides a device for decreasing intracranial or intraocular pressures. The device comprises a housing having an inlet opening and an outlet opening that is adapted...
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7178523 |
Water and oxygen bottle
A bottle contains at least one oxygen chamber allowing a user to breathe pure oxygen by placing their mouth and nose in a facemask contoured to fit the users face. The bottle also holds water so...
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7174893 |
Mask with anti-asphyxia valve
An anti-asphyxia valve includes at least one flap having a first portion adapted for mounting to the housing and a second portion adapted to flex between a first open position allowing gas to pass...
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7174892 |
Regulator for underwater breathing devices
Regulator for underwater breathing devices including a relatively hard material box-like body having a pipe for the connection with a mouthpiece, at least one air inlet duct and at least one...
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7168428 |
Apparatus for connecting air bottles
An air transfer apparatus for transferring air from a replenishment air cylinder to another air cylinder is provided. The air transfer apparatus comprises a first valve adapted to engage a...
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7165547 |
Apparatus and method for providing high frequency variable pressure to a patient
A high frequency pressure oscillation device that selective restricts the flow of breathing gas to or from a patient to produce pressure spikes in the patient's airway that facilitate clearing...
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7134434 |
Pressure support system and method and a pressure control valve for use in such a 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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7131440 |
Inhalation therapy apparatus having a valve for limiting the inspiration flow
In an inhalation therapy apparatus a limiter section is provided in the air supply duct which serves as the limiting element for the movement of a valve element of an inlet valve. In the limiter...
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7111625 |
Demand valves for breathing apparatus
There is described a demand valve for a breathing apparatus with a “first breath” mechanism, wherein a demand valve is held closed by resiliently latching an operating diaphragm of the valve in...
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7100628 |
Electromechanically-assisted regulator control assembly
An electromechanically-assisted control system for use in a second-stage regulator. Regulator control assembly ( 20 ), also referred to as EMA assembly ( 20 ), includes a mechanical actuator...
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7100606 |
Method of maintaining constant arterial PCO2 and measurement of anatomic and alveolar dead space
A method to maintain isocapnia for a subject. A fresh gas is provided to the subject when the subject breathes at a rate less than or equal to the fresh gas flowing to the subject. The fresh gas...
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7096866 |
Inexsufflator
A manual inexsufflator including a standard mechanical ventilator, a medical suction unit, and a piston-like sliding valve mechanism which connects a patient ventilation interface with either the...
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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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