Patents by Inventor Michael Gunaratnam
Michael Gunaratnam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10953181Abstract: The invention provides a respiratory mask comprising a mask body including a base and walls upstanding from the base and converging towards an apical region and a forehead engagement member extending from the apical region of the mask body. The forehead engagement member coupled to the mask body so as to be movable relative to the mask body in a sagittal plane when the mask body is worn by a patient. An adjustment mechanism is provided for adjusting the relative positions of the forehead engagement member and the mask body. In another aspect, the invention also provides a respiratory mask including a mask body including a base and walls upstanding from the base and converging towards an apical region. The body includes a pair of transversely opposite headgear anchors adapted for attachment to headgear that a patient wears during use to secure the mask to the face of a patient.Type: GrantFiled: June 9, 2016Date of Patent: March 23, 2021Assignee: Ventific Holdings Pty Ltd.Inventors: Michael Hallett, Roger Foote, Allan Gregersen, Michael Gunaratnam
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Publication number: 20180133426Abstract: The invention provides a respiratory mask comprising a mask body including a base and walls upstanding from the base and converging towards an apical region and a forehead engagement member extending from the apical region of the mask body. The forehead engagement member coupled to the mask body so as to be movable relative to the mask body in a sagittal plane when the mask body is worn by a patient. An adjustment mechanism is provided for adjusting the relative positions of the forehead engagement member and the mask body. In another aspect, the invention also provides a respiratory mask including a mask body including a base and walls upstanding from the base and converging towards an apical region. The body includes a pair of transversely opposite headgear anchors adapted for attachment to headgear that a patient wears during use to secure the mask to the face of a patient.Type: ApplicationFiled: June 9, 2016Publication date: May 17, 2018Inventors: Michael Hallett, Roger Foote, Allan Gregersen, Michael Gunaratnam
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Patent number: 7942148Abstract: A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and a flexible element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.Type: GrantFiled: December 24, 2004Date of Patent: May 17, 2011Assignee: ResMed LimitedInventors: Aaron Davidson, Michael Gunaratnam, Susan Lynch, Milind Raje, Gary Robinson, Steven Lubke, Gregory Smart, Philip Kwok, Rupert Scheiner
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Patent number: 7658189Abstract: A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and an element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.Type: GrantFiled: June 26, 2006Date of Patent: February 9, 2010Assignee: ResMed LimitedInventors: Aaron Davidson, Michael Gunaratnam, Susan Lynch, Milind Raje, Gary Robinson, Steven Lubke, Gregory Smart, Philip Kwok, Rupert Scheiner
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Publication number: 20080105264Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: December 31, 2007Publication date: May 8, 2008Applicant: ResMed LimitedInventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20080099027Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: December 27, 2007Publication date: May 1, 2008Applicant: ResMed LimitedInventors: Michael Gunaratnam, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20080099024Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: January 4, 2008Publication date: May 1, 2008Applicant: ResMed LimitedInventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20080092905Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: December 20, 2007Publication date: April 24, 2008Applicant: ResMed LimitedInventors: Michael GUNARATNAM, Philip KWOH, Robin HITCHCOCK, Lee VELISS, Memduh GUNEY, Richard SOKOLOV, Perry LITHGOW, Donald DARKIN, Susan LYNCH
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Publication number: 20080092906Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: December 21, 2007Publication date: April 24, 2008Applicant: ResMed LimitedInventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20080092899Abstract: A respiratory mask has an adjustable forehead support member that is simple and inexpensive to manufacture. The forehead support member may be adjusted by rotating a forehead pad about an off-center bore or by bending an angular adjustment beam. The mask has a mask cushion with an accordionate membrane having at least two hinged portions. The mask may be constructed with a mask frame, the mask cushion, and the forehead support member molded as one piece.Type: ApplicationFiled: December 17, 2007Publication date: April 24, 2008Applicant: ResMed LimitedInventor: Michael Gunaratnam
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Publication number: 20080092904Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: December 19, 2007Publication date: April 24, 2008Applicant: ResMed LimitedInventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20070215161Abstract: A respiratory mask assembly for delivering breathable gas to a patient includes a frame and a cushion. The cushion has a non-face contacting portion structured to be connected to the frame, a face-contacting portion structured to engage the patient's face, and a central portion that interconnects the non-face contacting portion and the face contacting portion. The frame may be structured to allow a forehead support to assume multiple positions, to compensate for replacement cushions that may have a different profile, shape or size. The cushion is structured to compensate for variations in strap tension, treatment pressure and/or movement of the patient. Headgear may be provided with a strap assembly in which one or more straps is provided with selectively adjustable elasticity or extensibility that may be automatically changed in dependence of treatment pressure and/or treatment type.Type: ApplicationFiled: June 15, 2005Publication date: September 20, 2007Applicant: ResMed LimitedInventors: Robert Frater, Joanne Drew, Philip Kwok, Patrick Mc Auliffe, Aaron Davidson, Robin Hitchcock, Michael Gunaratnam
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Publication number: 20070186930Abstract: A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and an element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.Type: ApplicationFiled: February 7, 2007Publication date: August 16, 2007Applicant: ResMed LimitedInventors: Aaron Davidson, Michael Gunaratnam, Susan Lynch, Milind Raje, Gary Robinson, Steven Lubke, Gregory Smart, Philip Kwok, Rupert Scheiner
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Publication number: 20070157934Abstract: 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 pads may be joined with a connector.Type: ApplicationFiled: February 13, 2007Publication date: July 12, 2007Applicants: ResMed Limited, MAP Medizin-Technologie GmbHInventors: Bernd Lang, Timothy Fu, Perry Lithgow, Memduh Guney, Joanne Drew, Martin Bechtel, Achim Biener, Michael Gunaratnam, Aaron Davidson, Milind Raje
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Publication number: 20070144525Abstract: A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and a flexible element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.Type: ApplicationFiled: December 24, 2004Publication date: June 28, 2007Applicant: ResMed LimitedInventors: Aaron Davidson, Michael Gunaratnam, Susan Lynch, Milind Raje, Gary Robinson, Steven Lubke, Gregory Smart, Philip Kwok, Rupert Scheiner
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Publication number: 20070062539Abstract: A nasal assembly for delivering breathable gas to a patient includes a frame having an integrally formed first connector portion. A nozzle assembly includes a gusset or base portion and a pair of nozzles. At least one inlet conduit is structured to deliver breathable gas into the frame and nozzle assembly for breathing by the patient. A pair of second connector portions are removably and rotatably connected to respective first connector portions of the frame and are in communication with respective inlet conduits, e.g., directly or via angle connectors. A headgear assembly is removably connected to the pair of second connector portions and/or the angle connectors so as to maintain the frame and the nozzle assembly in a desired adjusted position on the patient's face.Type: ApplicationFiled: November 22, 2006Publication date: March 22, 2007Applicant: ResMed LimitedInventors: Michael Gunaratnam, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
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Publication number: 20060289010Abstract: 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 mounted to the joining member (14). The cushion frame (12) is adapted to locate one or more forehead cushions (25). The cushion frame (12) is also adapted to pivot relative to the joining member (14). The cushion frame (12) is also selectively lockable at two or more predetermined angular positions relative to the joining member (14). A respiratory mask assembly comprising a respiratory mask (16) and a forehead support (10) adapted to be secured to the mask (16) is also disclosed.Type: ApplicationFiled: August 28, 2006Publication date: December 28, 2006Applicant: ResMed LimitedInventors: Philip Kwok, Michael Gunaratnam, Perry Lithgow, Jonathan Harrison, Jonathan Liston, Robert Matchett, Robert Styles
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Publication number: 20060237017Abstract: A breathing arrangement includes a patient interface, at least one inlet conduit, and a headgear assembly. The patient interface includes a mouth covering assembly including a cushion structured to sealingly engage around exterior of a patient's mouth in use, a nozzle assembly including a pair of nozzles structured to sealingly engage within nasal passages of a patient's nose in use, and an element connecting the mouth covering assembly and the nozzle assembly. The at least one inlet conduit is structured to deliver breathable gas into at least one of the mouth covering assembly and the nozzle assembly for breathing by the patient. The headgear assembly is removably connected to at least one of the mouth covering assembly and the nozzle assembly so as to maintain the mouth covering assembly and the nozzle assembly in a desired position on the patient's face.Type: ApplicationFiled: June 26, 2006Publication date: October 26, 2006Applicant: ResMed LimitedInventors: Aaron Davidson, Michael Gunaratnam, Susan Lynch, Milind Raje, Gary Robinson, Steven Lubke, Gregory Smart, Philip Kwok, Rupert Scheiner
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Publication number: 20060213520Abstract: A mask system for delivering air to a user includes a suspension mechanism to allow relative movement between a face-contacting cushion and a mask shell. The suspension mechanism also provides a predetermined force to the cushion that is a function of mask pressure, displacement of the cushion or both.Type: ApplicationFiled: May 9, 2006Publication date: September 28, 2006Applicant: ResMed LimitedInventors: Robert Frater, Joanne Drew, Michael Gunaratnam
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Publication number: 20060144405Abstract: A connector includes a mask end for connecting with the interior of a respiratory mask, a supply conduit end, and a gas washout vent passage having an inlet adjacent to, or forming part of, the mask end in fluid communication with the interior of the respiratory mask and an outlet in fluid communication with atmosphere. The vent outlet of the vent passage is disposed on the side of the connector remote from the mask end. A respiratory mask includes a mask shell, a mask inlet for connecting with the outlet of a breathable gas supply conduit, and a gas washout vent passage. A vent outlet is disposed on the side of the mask remote from the mask interior and is adapted to direct the washout gas in a direction substantially parallel to the longitudinal axis of the mask inlet and away from the mask inlet.Type: ApplicationFiled: February 28, 2006Publication date: July 6, 2006Applicant: ResMed LimitedInventors: Michael Gunaratnam, Joanne Drew, Geoffrey Crumblin, Phillip Jenkinson, Susan Lynch