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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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
7261107 Breathable pressurized-gas reducing valve  
A reducing valve, which includes a water trap, especially useful in diving.
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.
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...
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,...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...