Patents by Inventor Perry Lithgow
Perry Lithgow 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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Publication number: 20110283999Abstract: A CPAP device includes a humidifier including humidifier tub having a heat conducting base plate; and a cradle to support the humidifier tub in an operative position. The cradle may also support a flow generator in operative relation to the humidifier tub. The cradle includes a heater plate in communication with the heat conducting base plate of the humidifier tub in use. The cradle further includes a retaining mechanism to retain the humidifier tub in the cradle, the retaining mechanism being structured to force the base plate into engagement with the heater plate. The humidifier and/or flow generator may include various features to manage inadvertent back-spill of water from the humidifier to the flow generator.Type: ApplicationFiled: August 15, 2006Publication date: November 24, 2011Applicant: ResMed LimitedInventors: Ian Smith, John Snow, Perry Lithgow, Dan Kao
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Publication number: 20110271956Abstract: A CPAP device includes a flow generator including an outlet, a humidifier including an inlet, and an adaptor connector between the outlet of the flow generator and the inlet of the humidifier. The connector includes a flexible and conformable sealing portion that is movable to accommodate misalignment.Type: ApplicationFiled: January 7, 2009Publication date: November 10, 2011Applicant: ResMed LimitedInventors: Ian Smith, John Snow, Perry Lithgow, Dan Kao
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Patent number: 7841345Abstract: A respiratory mask assembly for delivering breathable gas to a patient includes a frame and at least one locking clip. The frame has a main body and a side frame member provided on each lateral side of the main body, at least one of the side frame members including a locking clip receiver assembly. The at least one locking clip has a main body providing a front portion adapted to be removably coupled with the at least one locking clip receiver assembly and a rear portion adapted to be removably coupled to a headgear assembly. The rear portion includes a cross bar that forms an opening through which a strap of the headgear assembly can pass and be removably coupled with the cross bar, and the front portion includes at least one resiliently flexible spring arm that is flexible within the plane of the main body.Type: GrantFiled: December 24, 2004Date of Patent: November 30, 2010Assignee: ResMed LimitedInventors: Memduh Guney, Amal Amarasinghe, Perry Lithgow, Milind Raje, Aaron Davidson, Michael Jones
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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: 20080099014Abstract: An elbow assembly for use in a respiratory mask, which includes an elbow, an inlet port, an exhaust port, and a baffle separating the inlet port from the exhaust port. A mask assembly includes a cushion comprising at least one gusset and an aperture for connection to the elbow assembly.Type: ApplicationFiled: December 14, 2007Publication date: May 1, 2008Applicant: ResMed LimitedInventors: Joanne Drew, Memduh Guney, Amal Amarasinghe, Perry Lithgow, Anthony Ging, Borivoje Ljubojevic, Donald Darkin, Grahame Aston
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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: 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: 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: 20070157353Abstract: A respiratory mask assembly for delivering breathable gas to a patient includes a frame and at least one locking clip. The frame has a main body and a side frame member provided on each lateral side of the main body, at least one of the side frame members including a locking clip receiver assembly. The at least one locking clip has a main body providing a front portion adapted to be removably coupled with the at least one locking clip receiver assembly and a rear portion adapted to be removably coupled to a headgear assembly. The rear portion includes a cross bar that forms an opening through which a strap of the headgear assembly can pass and be removably coupled with the cross bar, and the front portion includes at least one resiliently flexible spring arm that is flexible within the plane of the main body.Type: ApplicationFiled: December 24, 2004Publication date: July 12, 2007Applicant: RESMED LTD.Inventors: Memduh Guney, Amal Amarasinghe, Perry Lithgow, Milind Raje, Aaron Davidson, Michael Jones
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Publication number: 20070101998Abstract: 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 (30), and a gas washout vent assembly (20). At least the region of the mask shell (12) or conduit (30) surrounding or adjacent the vent assembly is formed from a relatively flexible elastomeric material.Type: ApplicationFiled: December 27, 2006Publication date: May 10, 2007Applicant: ResMed LimitedInventors: Philip Kwok, Perry Lithgow
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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: 20070045152Abstract: A storage system for an apparatus that delivers a supply of pressurized breathable air to a patient includes a container including a first portion and a second portion. The first portion provides a storage compartment adapted to receive a flow generator of the apparatus. The second portion is movably mounted to the first portion for movement between (1) an open position in which the second portion uncovers the storage compartment to allow access to the storage compartment and (2) a closed position in which the second portion closes the storage compartment to inhibit access to the storage compartment. At least one of the first and second portions provides at least one opening therethrough that allows access to at least one of the control panel, the power inlet, and the outlet of the flow generator supported by the container when the container is in the closed position.Type: ApplicationFiled: July 11, 2006Publication date: March 1, 2007Applicant: ResMed LimitedInventors: Philip Kwok, Perry Lithgow
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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: 20060237005Abstract: A humidifier is provided including a first humidifier part, a second humidifier part connectable with the first humidifier part, and a sealing gasket disposed between the first and second humidifier parts. The second humidifier part is configured to hold a volume of liquid therein and the first and second humidifier parts and the sealing gasket define first and second internal passages within the humidifier. The first passage is disposed so as to be exposed to a surface of the volume of liquid and the second passage is isolated from at least one of the first passage and the surface of the volume of liquid. The second passage is configured to communicate with a pressure and/or sound sensing device.Type: ApplicationFiled: June 21, 2006Publication date: October 26, 2006Applicant: ResMed LimitedInventors: Alexander Virr, Ian Smith, Perry Lithgow, Richard Jones, Andrew Cheung
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Publication number: 20060201514Abstract: A mask system for treating sleep disordered breathing, comprising headgear, a shell/cushion including a channel adjacent a front aperture, a frame, an elbow including at least one undercut on a proximal end, a retaining ring including a rear flange adapted to be retainably insertable in the channel of the shell/cushion, and a front flange adapted to retainably engage with the at least one undercut of the elbow.Type: ApplicationFiled: April 30, 2004Publication date: September 14, 2006Inventors: Michael Jones, Amal Amarasinghe, Timothy Fu, Perry Lithgow, Jim Saada, Fiachra Sweeney
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Publication number: 20060137690Abstract: 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: February 20, 2004Publication date: June 29, 2006Inventors: Michael Gunaratnam, Philip Kwok, Memduh Guney, Perry Lithgow, Donald Darkin, Susan Lynch, Robin Hitchcock, Lee Veliss, Richard Sokolov
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Patent number: D708316Type: GrantFiled: March 30, 2012Date of Patent: July 1, 2014Assignee: ResMed LimitedInventors: Mark Bertinetti, Perry Lithgow, Rohan Neil Primrose, Phoebe Katherine Hill, Richard Llewelyn Jones, Dimitri Marco Maurer, Alexander Virr, Henri Spaile, Nicholas Andrew Earl, Mark Armstrong, Justin Peter Wagemakers, Kenneth Lam, Ian Malcolm Smith