Patents by Inventor Philip Rodney Kwok

Philip Rodney Kwok 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: 20250144338
    Abstract: A mask system for delivery of respiratory therapy to a patient includes a nares portion and a mouth portion and an inlet conduit connected to at least one of the nares portion and the mouth portion to deliver the pressurized, breathable gas. The mask system is adapted to selectively utilize the nares portion and/or the mouth portion in a first mode utilizing both the nares portion and the mouth portion, and in a second mode utilizing the nares portion and not utilizing the mouth portion.
    Type: Application
    Filed: January 13, 2025
    Publication date: May 8, 2025
    Inventors: Justin John FORMICA, Jose Ignacio ROMAGNOLI, Philip Rodney KWOK, Joel Edward GIBSON, David Anthony PIDCOCK, Christopher Scott SKIPPER, Stephen GRAY
  • Patent number: 12194239
    Abstract: A flexible patient interface structure includes a posterior portion with at least one thin flexible membrane configured to form a seal with the patient's face in use. A wall thickness of the posterior portion is varied. An anterior portion of the flexible patient interface forms a chamber with the posterior portion and has a central gas washout vent region. A wall thickness of the anterior portion is thicker at the central gas washout vent region than at other adjacent regions. First and second laterally extending protrusions are configured to receive the breathable gas from an air delivery tube or air delivery tube connector. The central gas washout vent region is located between the first and second laterally extending protrusions and comprises an array of vent openings. Each of the first and second laterally extending protrusions terminates at a distal end that is furthest from the other laterally extending protrusion.
    Type: Grant
    Filed: February 26, 2024
    Date of Patent: January 14, 2025
    Assignee: ResMed Pty Ltd
    Inventors: Lee James Veliss, Carmel Therese Harrington, Philip Rodney Kwok, Philip John Gunning, Joshua Adam Gudiksen, Bart Jeremy Caffin, Richard Sokolov, Ian Frederick Johnson, Eric Siu
  • Patent number: 12121659
    Abstract: A patient interface is configured to deliver pressurized breathable gas to a patient's airways and includes a flexible cushion forming at least a portion of a plenum chamber. A pair of flexible receptacles are integrally formed with the flexible cushion and are formed on opposite lateral sides of the flexible cushion. Each flexible receptacle includes an inner wall that forms an opening configured to receive an air delivery tube and an outer wall that is radially offset from the inner wall. The outer wall extends laterally beyond the inner wall on a posterior side of the flexible receptacle and does not extend laterally beyond the inner wall on an anterior side of the flexible receptacle. The patient interface further includes a gas washout vent, a support structure that is attached to and is more rigid than the flexible cushion, and a pair of headgear connectors located on opposing lateral sides of the support structure.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: October 22, 2024
    Assignee: ResMed Pty Ltd
    Inventors: Lee James Veliss, Carmel Therese Harrington, Philip Rodney Kwok, Philip John Gunning, Joshua Adam Gudisken, Bart Jeremy Caffin, Richard Sokolov, Ian Frederick Johnson, Eric Sui
  • Publication number: 20240342412
    Abstract: A head-mountable flow generator is configured to deliver a flow of breathable gas at a continuously positive pressure with respect to ambient air pressure to a patient interface in communication with an entrance to a patient's airways including at least an entrance of the patient's nares, while the patient is sleeping, to ameliorate sleep disordered breathing. The flow generator includes a motor, an impeller assembly and housing that encases the motor and the impeller assembly. The housing is configured to be mounted on the patient's head and comprises an inlet to receive the flow of breathable gas and a pair of opposing outlets to deliver the flow of breathable gas. In addition, the impeller assembly is configured to pressurize the flow of breathable gas received from the inlet, and the housing is configured to convey the pressurized flow of breathable gas through both outlets.
    Type: Application
    Filed: June 24, 2024
    Publication date: October 17, 2024
    Inventors: Barton John KENYON, Renee Frances Flower, Enrico Brambilla, Philip Rodney Kwok
  • Publication number: 20240198027
    Abstract: A flexible patient interface structure includes a posterior portion with at least one thin flexible membrane configured to form a seal with the patient's face in use. A wall thickness of the posterior portion is varied. An anterior portion of the flexible patient interface forms a chamber with the posterior portion and has a central gas washout vent region. A wall thickness of the anterior portion is thicker at the central gas washout vent region than at other adjacent regions. First and second laterally extending protrusions are configured to receive the breathable gas from an air delivery tube or air delivery tube connector. The central gas washout vent region is located between the first and second laterally extending protrusions and comprises an array of vent openings. Each of the first and second laterally extending protrusions terminates at a distal end that is furthest from the other laterally extending protrusion.
    Type: Application
    Filed: February 26, 2024
    Publication date: June 20, 2024
    Inventors: Lee James VELISS, Carmel Therese HARRINGTON, Philip Rodney KWOK, Philip John GUNNING, Joshua Adam GUDISKEN, Bart Jeremy CAFFIN, Richard SOKOLOV, Ian Frederick JOHNSON, Eric SUI
  • Publication number: 20240115826
    Abstract: A system for delivering a pressurized flow of breathable gas to a patient includes a patient interface and a flow generator mounted on the patient interface. The patient interface is configured to contact the patient's head and includes a frame and a cushion supported by the frame and configured to sealingly connect the patient interface to the patient's face and form a chamber between the frame and the patient's face. An inlet port in the frame is configured to receive the pressurized flow of breathable gas. The flow generator is configured to generate the pressurized flow and is capable of creating a pressure of about 2-40 cm H2O in the chamber. In addition, a pressure sensor assembly spans from an outlet port of the flow generator to the inlet port of the patient interface.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Renee Frances FLOWER, Philip Rodney KWOK
  • Publication number: 20240091478
    Abstract: A mask system for delivery of respiratory therapy to a patient includes a nares portion and a mouth portion and an inlet conduit connected to at least one of the nares portion and the mouth portion to deliver the pressurized, breathable gas. The mask system is adapted to selectively utilize the nares portion and/or the mouth portion in a first mode utilizing both the nares portion and the mouth portion, and in a second mode utilizing the nares portion and not utilizing the mouth portion.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Justin John FORMICA, Jose Ignacio ROMAGNOLI, Philip Rodney KWOK, Joel Edward GIBSON, David Anthony PIDCOCK, Christopher Scott SKIPPER, Stephen GRAY
  • Publication number: 20240042160
    Abstract: A positive airway pressure (PAP) device for supplying a flow of breathable gas to a patient includes a flow generator configured to pressurize a flow of breathable gas and a humidifier configured to receive and humidify the pressurized flow of breathable gas from the flow generator. The PAP device also includes a power source. The flow generator, humidifier and power source are positioned so that heat generated by at least one of the flow generator and the power source is conveyed to water in the humidifier.
    Type: Application
    Filed: October 16, 2023
    Publication date: February 8, 2024
    Inventors: Dion Charles Chewe MARTIN, Barton John KENYON, Alexander VIRR, Dmitri Anatolievich DOUDKINE, Philip Rodney KWOK, Richard Charles NAPPER, John Michael SNOW
  • Patent number: 11890418
    Abstract: A system of breathing arrangements for delivering breathable gas to a patient includes at least first and second cushion components, e.g., full-face, nasal, nasal prongs, nose tip, and/or a combination of any of the above, including a nasal or full-face cushion and nasal prongs/nozzles combination, etc., that are different from one another in at least one aspect, and a common frame assembly configured to support each of the first and second cushion components. Various embodiments are directed to a full-face or nasal mask used with a frame having lateral connector portions having a stiffening member. The mask assembly may include a nose height adjustment device for the height of the cushion, or a cushion adjustment member by which the position of the cushion may be adjusted relative to the frame. The mask assembly may include a chin strap assembly.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: February 6, 2024
    Assignee: ResMed Pty Ltd
    Inventors: Eva Ng, Robert Edward Henry, Philip Rodney Kwok, Karthikeyan Selvarajan
  • Patent number: 11883598
    Abstract: A system for delivering a pressurized flow of breathable gas to a patient includes a patient interface and a flow generator mounted on the patient interface. The patient interface is configured to contact the patient's head and includes a frame and a cushion supported by the frame and configured to sealingly connect the patient interface to the patient's face and form a chamber between the frame and the patient's face. An inlet port in the frame is configured to receive the pressurized flow of breathable gas. The flow generator is configured to generate the pressurized flow and is capable of creating a pressure of about 2-40 cm H2O in the chamber. In addition, a pressure sensor assembly spans from an outlet port of the flow generator to the inlet port of the patient interface.
    Type: Grant
    Filed: August 20, 2020
    Date of Patent: January 30, 2024
    Assignee: ResMed Pty Ltd
    Inventors: Renee Frances Flower, Philip Rodney Kwok
  • Publication number: 20240024598
    Abstract: Systems, methods, and/or apparatuses for acclimatizing a user to positive airway pressure (PAP) therapy are provided. Generally, a sub-therapeutic treatment pressure is provided initially. It may be ramped up to a full treatment pressure over the course of one or more therapy sessions. The pressure level may be ramped up based on, for example, sleep state, sleep phase, patient compliance with types of treatment (e.g. bilevel vs. CPAP, etc.), clinician input (either at the site, remotely, via pre-programmed smartcards, etc.), etc. Such techniques may be used alone or in combination.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 25, 2024
    Inventors: David MULCAHY, Philip Rodney KWOK, William Mcinnes SOMERVILLE, David Richard VORREITER
  • Publication number: 20240017030
    Abstract: A vent assembly is configured to discharge gas washout from a patient interface that is configured to receive a pressurized flow of breathable gas from a positive airway pressure device. The vent assembly includes a vent base configured to be attached to the patient interface and comprising a plurality of coplanar openings and a hydrophilic material positioned adjacent to the coplanar openings. The hydrophilic material is configured to wick water near the plurality of coplanar openings and/or capture moisture from a gas washout flow adjacent to the plurality of coplanar openings. In addition, the hydrophilic material is configured to release the accumulated moisture and/or water to the pressurized flow of breathable gas for breathing by the patient when the patient inhales.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 18, 2024
    Inventors: Philip Rodney KWOK, Lee James VELISS, Robert Edward HENRY
  • Patent number: 11865260
    Abstract: A patient interface assembly includes an elastomeric piece configured to receive a flow of pressurized respiratory gas and sealingly engage the patient's face. The elastomeric piece forms a plenum and includes a mouth sealing portion, a nasal sealing portion, and an anterior surface with an air inlet opening configured to be coupled to a connector and/or an air delivery tube. The patient interface assembly also includes a stiffening structure that is attached to the anterior surface of the elastomeric piece. The stiffening structure comprises a central aperture that is sized so that the air inlet opening and a portion of the anterior surface surrounding the air inlet opening remain exposed through the central aperture. The stiffening structure is configured so that the entirety of the stiffening structure is inferior to the patient's nose in use.
    Type: Grant
    Filed: May 25, 2023
    Date of Patent: January 9, 2024
    Assignee: ResMed Pty Ltd
    Inventors: Justin John Formica, Jose Ignacio Romagnoli, Philip Rodney Kwok, Joel Edward Gibson, David Anthony Pidcock, Christopher Scott Skipper, Stephen Gray
  • Patent number: 11819623
    Abstract: A positive airway pressure (PAP) device for supplying a flow of breathable gas to a patient includes a flow generator configured to pressurize a flow of breathable gas and a humidifier configured to receive and humidify the pressurized flow of breathable gas from the flow generator. The PAP device also includes a power source. The flow generator, humidifier and power source are positioned so that heat generated by at least one of the flow generator and the power source is conveyed to water in the humidifier.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: November 21, 2023
    Assignee: ResMed Pty Ltd
    Inventors: Dion Charles Chewe Martin, Barton John Kenyon, Alexander Virr, Dmitri Anatolievich Doudkine, Philip Rodney Kwok, Richard Charles Napper, John Michael Snow
  • Publication number: 20230347084
    Abstract: A method of acclimatizing a user to provide continuous positive airway pressure (CPAP) therapy, including operating a device for treating sleep disordered breathing (SDB) during successive treatment sessions, wherein the device provides continuous positive airway pressure during sleep, includes determining a clinically-derived full therapeutic pressure, applying a sub-therapeutic treatment pressure for the duration of a first session, obtaining responses to a series of pre-programmed patient and/or bed partner feedback questions before the start of a second session and, based on the responses, either incrementally increasing the treatment pressure for the second session if the responses indicate that the patient is adjusting to therapy, or maintaining the treatment pressure for the second session if the responses do not indicate that the patient is adjusting to therapy.
    Type: Application
    Filed: July 5, 2023
    Publication date: November 2, 2023
    Inventors: Philip Rodney KWOK, Ron RICHARD, Rohan MULLINS, Chee Keong PHUAH, Karthikeyan SELVARAJAN, Adrian BARNES, Thomas Evan MILLER, David Richard VORREITER
  • Publication number: 20230321381
    Abstract: A patient interface assembly includes an elastomeric piece configured to receive a flow of pressurized respiratory gas and sealingly engage the patient’s face. The elastomeric piece forms a plenum and includes a mouth sealing portion, a nasal sealing portion, and an anterior surface with an air inlet opening configured to be coupled to a connector and/or an air delivery tube. The patient interface assembly also includes a stiffening structure that is attached to the anterior surface of the elastomeric piece. The stiffening structure comprises a central aperture that is sized so that the air inlet opening and a portion of the anterior surface surrounding the air inlet opening remain exposed through the central aperture. The stiffening structure is configured so that the entirety of the stiffening structure is inferior to the patient’s nose in use.
    Type: Application
    Filed: May 25, 2023
    Publication date: October 12, 2023
    Inventors: Justin John FORMICA, Jose Ignacio ROMAGNOLI, Philip Rodney KWOK, Joel Edward GIBSON, David Anthony PIDCOCK, Christopher Scott SKIPPER, Stephen GRAY
  • Patent number: 11771856
    Abstract: Systems, methods, and/or apparatuses for acclimatizing a user to positive airway pressure (PAP) therapy are provided. Generally, a sub-therapeutic treatment pressure is provided initially. It may be ramped up to a full treatment pressure over the course of one or more therapy sessions. The pressure level may be ramped up based on, for example, sleep state, sleep phase, patient compliance with types of treatment (e.g. bilevel vs. CPAP, etc.), clinician input (either at the site, remotely, via pre-programmed smartcards, etc.), etc. Such techniques may be used alone or in combination.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: October 3, 2023
    Assignee: RESMED PTY LTD
    Inventors: David Mulcahy, Philip Rodney Kwok, William Mcinnes Somerville, David Richard Vorreiter
  • Patent number: 11752291
    Abstract: A patient interface is configured to deliver a pressurized flow of respiratory gas to a patient's airways. The patient interface includes a cushion and shell assembly with a cushion portion mounted on a shell portion that is more rigid than the cushion portion. The cushion portion is configured to sealingly engage the patient's face and has a vent opening. The shell portion includes a plurality of headgear connectors. The patient interface further includes a gas washout vent assembly configured to be positioned within the vent opening of the cushion portion. The gas washout vent assembly includes a main body configured to be secured to the cushion portion, a porous body, and an outer cover with a plurality of openings. The main body at least partially houses the porous body and the outer cover.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: September 12, 2023
    Assignee: ResMed Pty Ltd.
    Inventors: Philip Rodney Kwok, Lee James Veliss, Robert Edward Henry
  • Publication number: 20230270965
    Abstract: A patient interface for delivering breathable gas to a patient includes a nasal prong assembly including a pair of nasal prongs structured to sealingly communicate with nasal passages of a patient's nose in use and headgear to maintain the nasal prong assembly in a desired position on the patient's face. The headgear includes side straps and rigidizers provided to respective side straps. Each rigidizer includes a first end portion that provides a connector structured to engage a respective end of the nasal prong assembly and an inwardly curved protrusion in the form of a cheek support that curves inwardly of the connector. The cheek support is adapted to follow the contour of the patient's cheek and guide a respective end portion of the side strap into engagement with the patient's cheek to provide a stable cheek support.
    Type: Application
    Filed: May 5, 2023
    Publication date: August 31, 2023
    Inventors: Memduh GUNEY, Rupert Christian SCHEINER, David Anthony PIDCOCK, Gerard Michael RUMMERY, Matthew EVES, Craig David EDWARDS, Melanie Lucia CARIOLA, Muditha Pradeep DANTANARAYANA, Michael Fu Pin CHEN, Christopher Scott SKIPPER, Karthikeyan SELVARAJAN, Steven John LUBKE, Bruce David GREGORY, Joel Edward GIBSON, Andrew David CAMERON, Philip Rodney KWOK
  • Patent number: 11730906
    Abstract: A method of acclimatizing a patient to provide continuous positive airway pressure (CPAP) therapy, including operating a device for treating sleep disordered breathing (SDB). The device provides continuous positive airway pressure to the patient during sleep via a mask configured to provide a seal with respect to airways of the patient. The method comprises applying full therapeutic pressure during a first session, monitoring a mask pressure during application of the full therapeutic pressure, calculating a difference between the full therapeutic pressure and the mask pressure, comparing the difference to a threshold representing an acceptable level of leak, generating a first signal in response to said comparing, and in response to said first signal indicating a fault in the seal, decreasing an applied pressure to below the full therapeutic pressure during the first session in order to improve the seal of the mask against the patient's face.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: August 22, 2023
    Assignee: ResMed Pty Ltd.
    Inventors: Philip Rodney Kwok, Ron Richard, Rohan Mullins, Chee Keong Phuah, Karthikeyan Selvarajan, Adrian Barnes, Thomas Evan Miller, David Richard Vorreiter