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).

  • Publication number: 20110283999
    Abstract: 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: Application
    Filed: August 15, 2006
    Publication date: November 24, 2011
    Applicant: ResMed Limited
    Inventors: Ian Smith, John Snow, Perry Lithgow, Dan Kao
  • Publication number: 20110271956
    Abstract: 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: Application
    Filed: January 7, 2009
    Publication date: November 10, 2011
    Applicant: ResMed Limited
    Inventors: Ian Smith, John Snow, Perry Lithgow, Dan Kao
  • Patent number: 7841345
    Abstract: 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: Grant
    Filed: December 24, 2004
    Date of Patent: November 30, 2010
    Assignee: ResMed Limited
    Inventors: Memduh Guney, Amal Amarasinghe, Perry Lithgow, Milind Raje, Aaron Davidson, Michael Jones
  • Publication number: 20080105264
    Abstract: 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: Application
    Filed: December 31, 2007
    Publication date: May 8, 2008
    Applicant: ResMed Limited
    Inventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20080099027
    Abstract: 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: Application
    Filed: December 27, 2007
    Publication date: May 1, 2008
    Applicant: ResMed Limited
    Inventors: Michael Gunaratnam, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20080099024
    Abstract: 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: Application
    Filed: January 4, 2008
    Publication date: May 1, 2008
    Applicant: ResMed Limited
    Inventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20080099014
    Abstract: 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: Application
    Filed: December 14, 2007
    Publication date: May 1, 2008
    Applicant: ResMed Limited
    Inventors: Joanne Drew, Memduh Guney, Amal Amarasinghe, Perry Lithgow, Anthony Ging, Borivoje Ljubojevic, Donald Darkin, Grahame Aston
  • Publication number: 20080092905
    Abstract: 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: Application
    Filed: December 20, 2007
    Publication date: April 24, 2008
    Applicant: ResMed Limited
    Inventors: Michael GUNARATNAM, Philip KWOH, Robin HITCHCOCK, Lee VELISS, Memduh GUNEY, Richard SOKOLOV, Perry LITHGOW, Donald DARKIN, Susan LYNCH
  • Publication number: 20080092906
    Abstract: 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: Application
    Filed: December 21, 2007
    Publication date: April 24, 2008
    Applicant: ResMed Limited
    Inventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20080092904
    Abstract: 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: Application
    Filed: December 19, 2007
    Publication date: April 24, 2008
    Applicant: ResMed Limited
    Inventors: Michael GUNARATNAM, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20070157934
    Abstract: 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: Application
    Filed: February 13, 2007
    Publication date: July 12, 2007
    Applicants: ResMed Limited, MAP Medizin-Technologie GmbH
    Inventors: Bernd Lang, Timothy Fu, Perry Lithgow, Memduh Guney, Joanne Drew, Martin Bechtel, Achim Biener, Michael Gunaratnam, Aaron Davidson, Milind Raje
  • Publication number: 20070157353
    Abstract: 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: Application
    Filed: December 24, 2004
    Publication date: July 12, 2007
    Applicant: RESMED LTD.
    Inventors: Memduh Guney, Amal Amarasinghe, Perry Lithgow, Milind Raje, Aaron Davidson, Michael Jones
  • Publication number: 20070101998
    Abstract: 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: Application
    Filed: December 27, 2006
    Publication date: May 10, 2007
    Applicant: ResMed Limited
    Inventors: Philip Kwok, Perry Lithgow
  • Publication number: 20070062539
    Abstract: 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: Application
    Filed: November 22, 2006
    Publication date: March 22, 2007
    Applicant: ResMed Limited
    Inventors: Michael Gunaratnam, Philip Kwok, Robin Hitchcock, Lee Veliss, Memduh Guney, Richard Sokolov, Perry Lithgow, Donald Darkin, Susan Lynch
  • Publication number: 20070045152
    Abstract: 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: Application
    Filed: July 11, 2006
    Publication date: March 1, 2007
    Applicant: ResMed Limited
    Inventors: Philip Kwok, Perry Lithgow
  • Publication number: 20060289010
    Abstract: 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: Application
    Filed: August 28, 2006
    Publication date: December 28, 2006
    Applicant: ResMed Limited
    Inventors: Philip Kwok, Michael Gunaratnam, Perry Lithgow, Jonathan Harrison, Jonathan Liston, Robert Matchett, Robert Styles
  • Publication number: 20060237005
    Abstract: 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: Application
    Filed: June 21, 2006
    Publication date: October 26, 2006
    Applicant: ResMed Limited
    Inventors: Alexander Virr, Ian Smith, Perry Lithgow, Richard Jones, Andrew Cheung
  • Publication number: 20060201514
    Abstract: 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: Application
    Filed: April 30, 2004
    Publication date: September 14, 2006
    Inventors: Michael Jones, Amal Amarasinghe, Timothy Fu, Perry Lithgow, Jim Saada, Fiachra Sweeney
  • Publication number: 20060137690
    Abstract: 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: Application
    Filed: February 20, 2004
    Publication date: June 29, 2006
    Inventors: Michael Gunaratnam, Philip Kwok, Memduh Guney, Perry Lithgow, Donald Darkin, Susan Lynch, Robin Hitchcock, Lee Veliss, Richard Sokolov
  • Patent number: D708316
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: July 1, 2014
    Assignee: ResMed Limited
    Inventors: 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