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7370654 Tracheostoma valve  
A tracheostoma valve adapted to control the flow of air through a tracheostoma comprising a tubular housing having an open first end to be connected to the tracheostoma, and forming at least one...
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...
7311104 Method of making a filtering face mask that has an exhalation valve  
A method of making a filtering face mask, which method includes the steps of: (a) providing (i) a valve seat that comprises an orifice and a seal surface, wherein the orifice allows air to pass...
7255106 Inhalation mask  
The invention describes an inhalation or breathing mask for therapeutic nebulisers, in which around a connecting socket 4 for the therapeutic nebuliser is arranged an exhalation valve consisting...
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...
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...
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...
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...
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...
7159587 Respiratory mask having gas washout vent and gas washout vent assembly for respiratory mask  
The present invention provides a vent assembly suitable for use with a respiratory mask of the type used in CPAP treatment. In one embodiment the vent is made of a thin air permeable membrane....
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...
7117868 Fibrous filtration face mask having a new unidirectional fluid valve  
A filtering face mask that has a mask body and an exhalation valve. The mask body is adapted to fit over the nose and mouth of a wearer. The exhalation valve is attached to the mask body and has a...
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...
7089939 Gas delivery connection assembly  
An anti-asphyxia valve is adapted to, in use, be disposed between a patient and structure to deliver a breathable gas to the patient. The valve includes a housing having an interior, at least one...
7069931 Method of making a filtering face mask that has an exhalation valve attached thereto  
A method for making a filtering face mask that comprises providing a fluid-permeable multi-layered mask body comprising a structural supporting layer and a filtration layer, the multi-layered mask...
7028689 Filtering face mask that uses an exhalation valve that has a multi-layered flexible flap  
A filtering face mask that includes a mask body and an exhalation valve. The mask body is adapted to fit at least over the nose and mouth of a wearer to create an interior gas space when worn, and...
7025060 Personal breathing filter  
A personal air filtration device has a cylindrical exhalation tube, with a one-way valve thereon. Concentric around the periphery of the exhalation tube and integrally connected to the exhalation...
7013896 Mask with inhalation valve  
A mask for use in inhaling a substance includes a mask housing defining a chamber. The housing has an inlet and an outlet communicating with the chamber. A valve is disposed in the inlet and is...
7013895 Exhalation and inhalation valves that have a multi-layered flexible flap  
Exhalation and inhalation valves that are sized and adapted to fit on a mask body of a personal respiratory protection device. The exhalation and inhalation valves comprise a valve seat that has a...
6923181 Nasal mask  
A system is disclosed comprising a high pressure gases source: for example a compressor, a low cross section conduit adapted to convey gases from the compressor, and a patient interface delivering...
6871648 Oxygen and inhalation medication delivery system  
A medication inhalation therapy apparatus designed for the delivery of finely misted medicines to a patient in conjunction with the inhalation of 100% oxygen by the patient. The apparatus comprises...
6854463 Filtering face mask that has a new exhalation valve  
Filtering face mask 10 has a mask body 12 and an exhalation valve 14. The mask body 12 is adapted to fit over the nose and mouth of a person, and the exhalation valve 14 is attached to...
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...
6761166 Device for reducing dead space in a ventilator system  
A device for reducing dead space in a ventilator system has a first tube connectable to the dead space in the ventilator system for producing a flow path for the transport of gas from dead space in...
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,...
6718982 Face mask incorporating respiratory flow sensor  
A respiratory monitor apparatus comprises, in combination, a flexible mask fabricated from a stretchable fabric, such as spandex, that is designed to support a pneumotach flow measuring instrument...
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...
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...
6668830 Low noise exhalation port for a respiratory mask  
A low noise exhalation port for a respiratory mask has a body including a proximal end operably connected to an internal area of the mask to vent carbon dioxide exhaled by a person from the mask,...
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...
6584977 Combined patient interface and exhaust assembly  
A combined patient interface and integrated exhaust assembly that passes a controlled flow of gas from an interior of a patient interface to ambient atmosphere at a predetermined flow rate...
6581601 Nasal mask with balloon exhalation valve  
A nasal mask has a shell portion that is a hollow enclosure with a rearwardly facing opening that is defined by edge portions of the shell portion. A resiliently deformable endless interface member...
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...
6513519 Inhalation atomizer with a one-piece valve element  
The inhalation atomizer of the invention has a valve box, which is divided into two sub-chambers by a partition wall. The valve box is closed by a valve box cover. A one-piece valve element...
6467483 Respiratory mask  
A respiratory mask having a flexible, mask seal portion for engagement with the face of a user, a gel forehead cushion and a rotatable elbow coupling having integral exhaust ports. The mask seal...
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...
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...
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,...
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...
6338340 Filter mask  
A filter mask is provided for use in environments of smoke and toxic gas which includes a filter element having a filling of shiftable bodies coated with a flowable, aloe vera extract having a...
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...
6206003 Mask with integral valve  
A mask for transmitting gases to and from a patient or other user includes a valve which selectively blocks or enables the flow of gases through a port. In one embodiment, the state of the valve is...
6070574 Resuscitator device with self closing valve  
A mouth-to-mouth resuscitator device for providing a physical barrier between a rescuer and a victim including a hollow tubular housing having an air input end and an air output end and counting a...
6047698 Unidirectional fluid valve  
A unidirectional fluid valve for use with a respirator includes a flexible flap initially formed as a flat resilient member. A valve body has a flat valve seat to support the flexible flap. The...
6032667 Variable orifice pulse valve  
A variable orifice pulse valve has a small internal volume for providing small, accurately measured pulse volumes of gas. The valve may be employed to supply a very small quantity of a therapeutic...
6029667 Heart failure mask and methods for increasing negative intrathoracic pressures  
The invention provides methods and devices for treating a patient suffering from heart failure. According to one exemplary method, a facial mask is sealed around the patient's mouth and nose, with...
5979444 Portable CPR breathing apparatus  
A breathing assisting device. The device includes a face mask and an oxygen dispenser which alternately injects oxygen (i) into the mask during an inhalation phase, and (ii) into a conveying piece...
5957978 Valved fenestrated tracheotomy tube  
A tracheotomy tube comprises a first port for orienting outside the neck of a wearer, a second port for orienting within the trachea of the wearer, and a passageway connecting the first and second...
Matches 1 - 50 out of 146 1 2 3 >