Patents Assigned to Fisher & Paykel Healthcare Limited
  • Methods and apparatus for flow therapy
    Patent number: 11433198
    Abstract: A method of estimating respiratory demand of a patient being administered flow therapy can include: administering a gas flow rate to the patient through both nostrils using a flow therapy apparatus with a patient interface for each nostril, measuring a parameter associated with that nostril, the parameter being one or more of: respiratory demand of that nostril, indicative of respiratory demand of that nostril, or a parameter from which respiratory demand of that nostril can be derived, determining respiratory demand (or parameter indicative of respiratory demand) for the patient from the nostril parameter for each nostril.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: September 6, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Craig Karl White, Alicia Jerram Hunter Evans, Callum James Thomas Spence
  • Gases mixing and measuring for a medical device
    Patent number: 11433210
    Abstract: A gases humidification system includes a measuring chamber and a mixing chamber. The mixing chamber has one or more mixing elements that improve a mixing of gases before reaching the measuring chamber. Ultrasonic sensing is used to measure gases properties or characteristics within the measuring chamber. A baffle or a vane may be used to control and direct the gases flow through the mixing chamber as the gases flow moves into the measuring chamber.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: September 6, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Andre Van Schalkwyk, Anthony James Newland, Rachael Glaves, Wenjie Robin Liang, Winnie Yong Jiang-Foo
  • Humidifier system
    Patent number: 11426554
    Abstract: A blower unit for use as part of an integrated blower/humidification system is described. The blower unit has an outer casing, which encloses and forms part of the blower unit, the casing including an air inlet vent. The blower unit further includes a humidifier compartment for receiving a humidifier unit with a separate gases inlet and outlet, the compartment having a heater base for heating the contents of the humidifier unit. The compartment also has a blower inlet port which aligns with the humidifier unit inlet in use, the blower providing a gases path through the casing between the inlet vent and the inlet port. The blower unit also includes a fan for providing a pressurised gases stream along the gases path, and a power supply unit for powering the fan. The gases path is routed over the power supply unit in order to provide a cooling air flow.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: August 30, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Venkata Subbarao Potharaju, Christie Jayne Stanton, Andrew Paul Maxwell Salmon, Yi-Cheng Sun, Hayden Owen Briscoe, Samuel Frew, Steven John Worthington, Philip John Dickinson, Cameron Jon Haxton
  • Nasal cannula
    Patent number: 11420002
    Abstract: The disclosure relates to a nasal cannula comprising a port configured for delivery of a medicament into a flow of a fluid being delivered by the nasal cannula to a user and/or configured for interfacing with a medicament delivery device or an instrument. The disclosure also relates to a nasal cannula comprising an asymmetric profile to reduce an amount of occlusion of one nare of a user to provide access for an instrument to the nare with the nasal cannula in use.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: August 23, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Alicia Jerram Hunter Evans, Craig Karl White, Samantha Dale Oldfield, Milanjot Singh Assi, Erik Robertus Scheirlinck, Callum James Thomas Spence, Laurence Gulliver, Dexter Chi Lun Cheung, Michael Robert Barraclough, Matthew Jon Payton
  • Seal for a patient interface, interface assemblies and aspects thereof
    Patent number: 11419999
    Abstract: A mask assembly or interface with a mask assembly includes a mask seal and a mask shell that supports the mask seal. In some configurations, the mask assembly is configured to be fully positioned lower than a bridge of a nose of a face of a user and to provide an exposed bridge of the nose of the user. The mask seal includes one or more features that decouple movement of the nasal portion and the oral portion to allow relative movement therebetween at least about a longitudinal axis extending in the front to back direction of the mask seal. In some configurations, an interface assembly includes a movement limiting arrangement that limits movement of the upper portion of the mask seal.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: August 23, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Roheet Patel, Peter David Alexander Bearne, Michael John Henri Cox, Fadi Karim Moh'd Mashal, Kirstin Elizabeth Middelkoop
  • Valve with internal member
    Patent number: 11420009
    Abstract: A valve with an internal member is disclosed which allows exhaled carbon dioxide to escape from a breathing circuit when the circuit gas pressure drops below a threshold pressure. The valve operates by occluding one or more ports under a relatively high pressure and opening the one or more ports under a relatively low pressure. The internal member is attached to the body of the valve at two or more locations on the internal member. The internal member moves in a direction perpendicular to the gas flow through the valve.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: August 23, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Mark John Arrowsmith, Andrew John Partington, Sophia Adele Johnson
  • Methods and apparatus for high gas flow
    Patent number: 11419997
    Abstract: Several methods of supporting respiratory function of a patient before, during and/or after a medical procedure are disclosed. In certain arrangements, supporting respiratory function while a patient is under general anaesthesia can include providing a high gas flow that is greater than 15 L/min while the patient is under general anaesthesia. In certain arrangements, a method of providing ventilation while a patient is under general anaesthesia involves providing only a gas flow delivered through a nasal interface that is greater than 15 L/min while the patient is under general anaesthesia.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: August 23, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Craig Karl White, Alicia Jerram Hunter Evans, Matthew Jon Payton, Geraldine Frances Keogh, Nicholas Simon David Connolly, Anil Patel, Seyed Ahmad Reza Nouraei
  • Combination CPAP and resuscitation systems and methods
    Patent number: 11413421
    Abstract: A combination positive airway pressure (PAP) or continuous positive airway pressure (CPAP) and resuscitation system and related methods. The systems can be well-suited for use in providing CPAP therapy for a neonate or infant patient, with the ability to also provide resuscitation therapy at a peak inspiratory pressure (PIP) as needed or desired without switching to another system or switching the patient interface. The system can include an expiratory pressure device capable of regulating a positive end expiration pressure (PEEP) of the system, which preferably can also induce pressure oscillations relative to a mean PEEP.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: August 16, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Gavin Walsh Millar, Christopher Leigh Beaumont
  • Medical components with microstructures for humidification and condensate management
    Patent number: 11413422
    Abstract: New medical circuit components and methods for forming such components are disclosed. These components include microstructures for humidification and/or condensate management. The disclosed microstructures can be incorporated into a variety of components, including tubes (e.g., inspiratory breathing tubes and expiratory breathing tubes and other tubing between various elements of a breathing circuit, such as ventilators, humidifiers, filters, water traps, sample lines, connectors, gas analyzers, and the like), Y-connectors, catheter mounts, humidifiers, and patient interfaces (e.g., masks for covering the nose and face, nasal masks, cannulas, nasal pillows, etc.), floats, probes, and sensors in a variety of medical circuits.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: August 16, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventor: Laith Adeeb Hermez
  • Drying expiratory limb with tailored temperature profile and multi-lumen configuration
    Patent number: 11413418
    Abstract: A drying expiratory limb of a breathing circuit is provided that is configured to increase or optimize drying of a gas to reduce or prevent condensation. The drying expiratory limb can include a wall that is at least partly made of a breathable material configured to allow transmission of water vapor but substantially prevent transmission of liquid water. The wall includes first and second openings in the wall, the openings respectively configured to receive a gas at a first temperature and a first relative humidity and to allow the gas to exit having a second temperature and a second relative humidity. The drying expiratory limb can be configured to tailor the temperature drop of the gas along the wall to maintain a relative humidity within a targeted range and/or to maintain the gas temperature above its dew point temperature.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: August 16, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Robert Andrew David Milne, Timothy Dee Gierke
  • Methods and apparatus for oxygenation and/or CO2 removal
    Patent number: 11406787
    Abstract: An apparatus for oxygenation and/or CO2 clearance of a patient. The apparatus comprising: a flow source or a connection for a flow source for providing a gas flow, a gas flow modulator, a controller to control the gas flow. The controller is operable to: receive input relating to heart activity and/or trachea gas flow of the patient, and control the gas flow modulator to provide a varying gas flow with at least two oscillating components. One oscillating component has a frequency based on the heart activity and/or trachea flow of the patient. One oscillating component has a frequency to: promote bulk gas flow movement, or promote mixing.
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: August 9, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Samantha Dale Oldfield, Penelope Jane Maxwell, Callum James Thomas Spence, Thomas Heinrich Barnes, Matthew Jon Payton, Laith Adeeb Hermez
  • Respiratory mask sealing interface
    Patent number: 11406782
    Abstract: A sealing interface forms part of an apparatus for supplying a flow of respiratory gases to a user. The sealing interface comprises a foam or gel inner cushion and a thin resilient rubber outer sheath. A face side of the inner cushion resiliently supports the outer sheath. The inner cushion has a toothed profile formed on the face side of the inner cushion. The toothed profile consists of at least one tooth having an apex on the perimeter of the inner cushion. The apex is positioned between two valleys in the perimeter of the inner cushion. In use the apex of each tooth of the toothed profile is in supporting contact with the outer sheath.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: August 9, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Alastair Edwin McAuley, Mark McLaren, Wen Dong Huang
  • Breathing assistance apparatus
    Patent number: 11401974
    Abstract: An apparatus for delivering a flow of gas having: a controller; a housing defining a gas-flow passage flowing a high concentration oxygen gas; a motor with windings, resilient bearing mounts and an impeller to deliver the gas through the gas-flow passage; a flexible printed circuit electrically connecting the motor to the controller and sensor system; and an elastomeric shield to pneumatically isolate the windings from the gas-flow passage.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: August 2, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Philip John Dickinson, Hayk Noobar Antranik Yaghobian, Richard Daniel Panara
  • Breathing assistance apparatus
    Patent number: 11400247
    Abstract: An apparatus for delivering a flow of gas has a housing, a cover, and a magnetic coupling system arranged to magnetically couple the cover to the housing. Each of the housing and cover having complementary locating features, the locating features being adapted to locate and align the cover and the apparatus relative to each other to allow for the magnetic coupling. The apparatus also has a handle movably connected to the housing and is movable from a first position to a second position. The housing and the handle comprise complementary interlock features arranged to engage with each other when upward force is applied to the handle in the second position, and the interlock features are disengaged from each other when the handle is in the second position but upward force is not applied to the handle.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 2, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Rachel Adeline Miller, Andrew Paul Maxwell Salmon, Andre van Schalkwyk, Ella Marie Meisel
  • Breathing assistance apparatus
    Patent number: 11400249
    Abstract: A nasal cannula assembly is disclosed having a face mount part, in use resting against a user's face, which includes at least one nasal prong capable of being fitted into a person's nares. The cannula assembly also includes a manifold part, in fluid communication with the face mount part, having a single horizontal side gases entry. In particular, this cannula assembly is for supplying heated, humidified gases to a patient suffering from COPD. A tie or lanyard is disclosed for use with a breathing assistance apparatus such as a nasal cannula, face or nasal mask or tracheostomy connector. The tie or lanyard transfers the weight of the conduits supplying gases to the breathing assistance apparatus from the breathing assistance apparatus and distributes it onto the neck of the patient.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: August 2, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Craig Karl White, Jason Peter Van Beurden, Kevin Peter O'Donnell
  • Breathing treatment apparatus
    Patent number: 11395859
    Abstract: A breathing treatment apparatus delivers breathing gas to a user. The apparatus may be configured to comprise one or more sensors for sensing microbial growth within the apparatus.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: July 26, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventor: Nordyn Alami
  • Breathing assistance apparatus
    Patent number: 11395894
    Abstract: In one embodiment, a nasal cannula is shaped to fit within a user's nares, where the nasal cannula includes at least one prong allowing high flow delivery of humidified gases and creates positive airway pressure in the patient's airway. The prongs have angled ends such that, in use, gases flowing through the prongs are directed to the user's nasal passages. The nasal cannula body is partially swivelling and preferably has a ball joint connector. In another embodiment the nasal cannula may have at least one flared end prong that preferably seals within a patient's nare.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: July 26, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Alastair Edwin McAuley, Craig Robert Prentice, Oliver Gleeson
  • Headgear for a breathing apparatus
    Patent number: D958321
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: July 19, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Wen Dong Huang, Arvin San Jose Gardiola, Matthew Roger Stephenson, Toong Chuo Lim, Bruce Michael Walls, Jeremy Owen Young
  • Breathing tube with mesh
    Patent number: D958968
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: July 26, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Gareth James Hobbs, Layton Robert Hern, Kiel Anthony McCool, Elmo Benson Stoks
  • Face mask frame
    Patent number: D958969
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: July 26, 2022
    Assignee: Fisher & Paykel Healthcare Limited
    Inventors: Craig Robert Prentice, Bernard Tsz Lun Ip, Mark Arvind McLaren, Kyle Gregory Brown, Chris Onin Limpin Hipolito, Mark Richard Tomlinson, Melissa Catherine Bornholdt