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| Number | Title | Issue Date |
| 8146596 | Vent and/or diverter assembly for use in breathing apparatus A vent assembly for use with a respiratory mask of the type used in CPAP treatment includes a porous disk portion that is attached to a biasing member such that the disk portion is maintained in a substantially sealed position against a main vent to minimize airflow... | 04/03/2012 |
| 7845354 | 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 use, in fluid communication with a gas supply conduit and... | 12/07/2010 |
| 7748385 | Valved holding chamber for use with an aerosol medication delivery system The present invention pertains to a valved holding chamber suitable for use in an aerosol medication delivery system. The valved holding chamber includes a housing and a mouthpiece coupled to the housing. A one-way valve assembly is coupled to the housing, the mouth... | 07/06/2010 |
| 7673630 | Respiratory protection mask for a compressed air breathing apparatus A respirator for a compressed air breathing apparatus including a lung machine controlled by a control membrane and an expiratory valve with an air outlet. The air outlet of the expiratory valve and the control membrane of the lung machine are covered by a common li... | 03/09/2010 |
| 7559326 | Vent and/or diverter assembly for use in breathing apparatus A vent assembly for use with a respiratory mask of the type used in CPAP treatment includes a porous disk portion that is attached to a biasing member such that the disk portion is maintained in a substantially sealed position against a main vent to minimize airflow... | 07/14/2009 |
| 7533671 | Bronchoscopic repair of air leaks in a lung Methods and systems for minimally invasively treating an air leak in a lung comprise the steps of detecting an air leak in a lung; locating an airway in fluid communication with the air leak, introducing a bronchoscope into a patient's airway to a position adjacent ... | 05/19/2009 |
| 7523755 | Respirator A valve assembly (20) for a respirator comprises a valve body (25) having a valve outlet portion and a valve inlet portion which together define a valve cavity (30) for a valve mechanism (24) permitting gas flow from the valve inlet porti... | 04/28/2009 |
| 7428903 | 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 positioned on the mask body substantially opposite to a wearer's mouth. The exhalation valve comprises a ... | 09/30/2008 |
| 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 from which gas can flow into the face engaging portion and into a pati... | 04/22/2008 |
| 7328699 | Diving mask A diving mask includes a nose cover and a valve seat of a drainage mechanism having a check valve formed in the vicinity of the nose cover. The nose cover and the value seat are formed from an elastic material which is integral with a soft elastic material forming t... | 02/12/2008 |
| 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 bi-directional valve. The air flow splitter is disposed in the air flow ... | 02/12/2008 |
| 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 therethrough and is surrounded by the seal surface, and (ii) a single fl... | 12/25/2007 |
| 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 the valve opening. The valve further includes a valve flap having a fi... | 12/04/2007 |
| 7290546 | Nasal mask A nasal mask assembly for preferred use in CPAP treatment. The mask assembly comprises a central body, a face cushion, a forehead support and a gas inlet. The gas inlet is rotatably connected to the central body, and the forehead support is pivotally connected to th... | 11/06/2007 |
| 7261104 | Respirator facepieces The present invention provides an air-purifying respirator facepiece with a removable, one-piece filter element connector. It also has a removable component housing in the lens as well as a nosecup without inhalation valves that prevents fogging of the portion of th... | 08/28/2007 |
| 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 of exhalation openings and a flexible valve element. The exhalat... | 08/14/2007 |
| 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 disk along one or more lines secant to the shutter disk and/or by me... | 08/07/2007 |
| 7234466 | Forehead support for facial mask A forehead support (10) is disclosed that is adapted to be secured to a respiratory mask (16). The forehead support (10) including a joining member (14) for securing to the mask (16) and a cushion frame (12) pivotally mounte... | 06/26/2007 |
| 7219670 | Method for securing a nasal mask A nasal mask for applying pressurized gas to a user's respiratory system. The mask includes an inflatable seal which is at least partially filled with a soft open cell foam. The seal includes a manual pump and a pressure release valve for inflating and deflating the... | 05/22/2007 |
| 7216647 | Forehead pad for respiratory mask A forehead pad for use in a respiratory mask with a forehead support, which includes a base portion to contact a user's forehead, a support post connected to the base portion, and a head adapted to connect the support post to a forehead support. A pair of forehead p... | 05/15/2007 |
| 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. According to one method, a pressure responsive inflow valve is coupl... | 05/01/2007 |
| 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 use, in fluid communication with a gas supply conduit ( | 04/24/2007 |
| 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 the person's lungs during at least a portion of an inhalation event. T... | 04/17/2007 |
| 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 to be interfaced with a person's airway. The device further includes... | 03/27/2007 |
| 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 respiratory gas flow to the person's lungs during at least a portion of an ... | 03/27/2007 |
| 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 when the mask is worn. The exhalation valve 14 permits... | 03/13/2007 |
| 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 to be interfaced with a person's airway. The device further includes... | 03/06/2007 |
| 7174891 | CPR mask with compression timing metronome and methods A facial mask includes a mask body that is adapted to be coupled to a patient's face. A valve system is coupled to the mask body to permit the inflow of respiratory gasses into the mask body and to permit the outflow of respiratory gasses from the mask body. A metro... | 02/13/2007 |
| 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 from the patient side to the housing interior through the at least on... | 02/13/2007 |
| 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. Generally, the membrane is thinner than 0.5 mm. The membrane can be made ... | 01/09/2007 |
| 7152599 | Nasal mask for delivering gas A nasal mask for delivering gas to a mammalian nasal passage includes a body portion including an inlet opening and an outlet opening as well as a facial contact portion having an opening in communication with the outlet opening and a shroud positioned over the faci... | 12/26/2006 |
| 7152602 | Mask apparatus A face mask comprises a sealing collar (1) extending around the mouth with a shelf (4) extending under the nose supporting a gel insert (7) that makes sealing contact between the nostrils and a passage (6) through the shelf. A curved, rig... | 12/26/2006 |
| 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 outlet. A first conduit defining a tortuous path is coupled between a ... | 11/14/2006 |
| 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 valve seat that includes a seal surface and an orifice that is circum... | 10/10/2006 |
| 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 a position wherein the valve is closed. The diaphragm is resiliently... | 09/26/2006 |
| 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 port to provide fluid communication between the housing interior and a... | 08/15/2006 |
| 7082947 | Face mask for use in pressurized drug delivery systems Face masks for use in pressurized drug delivery applications, such as aerosol drug delivery systems, and a method of reducing aerosol deposition in the region of the eyes are presented. The face masks according to the various embodiments disclosed herein contain fea... | 08/01/2006 |
| 7084355 | Multilayer printed circuit board A multilayer printed circuit board is provided in which microcracks or metallic migration is mitigated when a Resin Fill Plated Through Hole (RFP) is arranged near the edge thereof. The multilayer printed circuit board includes an inner layer having an RFP, outer la... | 08/01/2006 |
| 7077139 | Disposable face mask A disposable face mask includes a mask body covering substantially a nose, mouth, and chin of a wearer, and an extension provided with the mask body. The extension is configured to encircle a back of a wearer's head and to substantially cover a wearer's cheeks, jaw,... | 07/18/2006 |
| 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 body being configured to fit over the nose and mouth of a person and ... | 07/04/2006 |
