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WO2010057268A1 - Dispositif d'assistance respiratoire et système et procédé - Google Patents

Dispositif d'assistance respiratoire et système et procédé Download PDF

Info

Publication number
WO2010057268A1
WO2010057268A1 PCT/AU2009/001519 AU2009001519W WO2010057268A1 WO 2010057268 A1 WO2010057268 A1 WO 2010057268A1 AU 2009001519 W AU2009001519 W AU 2009001519W WO 2010057268 A1 WO2010057268 A1 WO 2010057268A1
Authority
WO
WIPO (PCT)
Prior art keywords
nasal
conduits
individual
prongs
pressurized
Prior art date
Application number
PCT/AU2009/001519
Other languages
English (en)
Inventor
Mark Gillies
Original Assignee
Bidibots Pty Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2008906036A external-priority patent/AU2008906036A0/en
Application filed by Bidibots Pty Ltd filed Critical Bidibots Pty Ltd
Priority to US13/130,694 priority Critical patent/US20110240035A1/en
Priority to AU2009317882A priority patent/AU2009317882B2/en
Publication of WO2010057268A1 publication Critical patent/WO2010057268A1/fr
Priority to US16/222,134 priority patent/US20190201646A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/06—Respiratory or anaesthetic masks
    • A61M16/0666—Nasal cannulas or tubing

Definitions

  • FIELD OF THE INVENTION relates to delivery of continuous positive airway pressure to an individual, such as an infant, to thereby provide respiratory assistance.
  • CPAP continuous positive airways pressure
  • ECMO extracorporeal membrane oxygenation
  • CPAP may be delivered via a multitude of machine - patient interfaces.
  • the best devices utilise "short binasal" prongs designed to snugly fit into the nares of infants, thereby allowing the pressure to be delivered to the infant whilst minimising the resistance of the device to the infants' work of breathing.
  • each prong set is typically of a fixed prong size and separation.
  • the invention is broadly directed to providing respiratory assistance to an individual, typically an infant, by way of a device, system and/or method that delivers pressurized air to the nares of the individual, to alleviate one or more of the aforementioned deficiencies of the prior art.
  • the invention provides a pressurized air delivery device for providing respiratory assistance to an individual, said device comprising a plurality of nasal conduits in fluid communication with respective supply conduits connectable to a source of pressurized, breathable gas.
  • the invention provides a pressurized air delivery system for providing respiratory assistance to an individual, said system comprising a plurality of flexible nasal conduits in fluid communication with respective supply conduits connected to a source of pressurized, breathable gas.
  • the invention provides a method of providing respiratory assistance to an individual, said method including the step of delivering pressurized air to the nose of said individual through a plurality of nasal conduits in fluid communication with respective supply conduits connected to a source of pressurized, breathable gas.
  • the individual is an infant human.
  • continuous positive airway pressure is delivered to an individual by way of a plurality of conduits respectively locatable in the nares of an individual, without engaging, bearing against or otherwise contacting the nasal septum.
  • continuous positive airway pressure is delivered to the individual without providing a hat, bonnet, headband or other separate means for attachment to the individual.
  • the nasal conduits are of a size adapted to fit the nares of the individual. In a particularly preferred embodiment the nasal conduits are interchangeable in size.
  • nasal conduits are formed of a material that is more rigid than the supply conduits.
  • the nasal conduits may each comprise an inlet and an outlet, said outlet facilitating exhaust of exhaled gas to atmosphere.
  • the nasal conduits further comprise respective valves to control oxygen flow to the user.
  • the device and/or system further comprises a spacer to maintain a desired spacing or distance between the nasal conduits.
  • the spacer is adjustable in order to select a desired spacing or distance between the nasal conduits.
  • said respective nasal prongs are maintained at a desired distance apart by an adjustable spacer that comprises a sliding rod or a band that comprises teeth or serrations.
  • the adjustable spacer comprises an adjustment member, such as a lever, ratchet, turnbuckle, or cam, although without limitation thereto.
  • the spaces comprises a band comprising teeth, ridges or serrations releasably engageable by a cam or lever.
  • FIG. 1 shows an embodiment where nasal prongs being held at a desired distance apart by rare earth magnets
  • FIG. 2 shows an embodiment where nasal prongs are held at a desired distance apart by a ratchet mechanism
  • FIG. 3 shows an embodiment where nasal prongs are held at a desired distance apart by a turnbuckle system
  • FIG. 4 shows an embodiment where nasal prongs are spaced apart by a sliding rod mechanism
  • FIG. 5 shows side and top views of different sized nasal prongs spaced apart by a sliding rod mechanism
  • FIG. 6 shows side and top views of different sized prongs spaced apart by a sliding locking flat band mechanism
  • FIG. 7 shows nasal prongs spaced apart by a sliding locking flat band mechanism that is adjustable by a cam mechanism
  • FIG. 8 shows an example of the attachment of nasal prongs to an air supply conduit
  • FIG. 9 shows a nasal prong comprising and inlet and outlet for exhalation.
  • device 10 comprises respective nasal conduits 2OA, 20B in fluid communication with respective air and/or oxygen supply conduits 3OA, 30B.
  • Nasal conduits 2OA, 2OB respectively comprise arms 2 IA, 21B normal to air supply conduits 30A, 30B and elbows 22 A, 22B which respectively terminate in nasal prongs 23A, 23B.
  • nasal conduits 2OA, 2OB are formed of a material that is more rigid (e.g. polymethylmethacrylate or polycarbonate) than the supply conduits which are of a relatively flexible tubing material (e.g. polyurethane).
  • air and/or oxygen supply conduits 3OA, 3OB are connected to a source of pressurized air, oxygen or other gas suitable for assisting human respiration (not shown).
  • the direction of pressurized air flow from the source is indicated by solid arrows.
  • spacer 40 comprises magnetic poles 4 IA, 41B on bridge 42, which respectively interact with magnetic poles 24A, 24B on nasal prongs 23A, 23B to maintain nasal prongs 23A, 23B at a desired separation.
  • magnetic poles 4 IA, 4 IB, 24 A and 24B are produced by rare earth magnets (e.g. lanthanides such as neodymium or samarium, although without limitation thereto) located on the outside of the nares.
  • device 110 comprises spacer 140 comprising adjustable ratchet 142 which maintains nasal prongs 123A, 123B at a desired separation.
  • FIG. 3 shows nasal prongs 223A, 223B adjustably movable (indicated by solid horizontal arrows) to a desired distance apart by spacer 240 comprising turnbuckle 243 that is adjustable by winding wheel 244 in either direction (indicated by solid arrows).
  • nasal prongs 323 A In another embodiment of device 310 shown in FIG. 4, nasal prongs 323 A,
  • 323B are held at a desired distance apart by spacer 340 that is adjustable by way of sliding rod mechanism 345 that is adjustable by pushing button 346 to release sliding rod 347 and thereby finding the correct distance between nasal prongs 323A, 323B.
  • nasal prongs 423 A, 423B are of reduced diameter compared to those in FIG. 4, demonstrating that nasal prongs 23A, 23B may be of varying, interchangeable sizes.
  • FIG. 6 shows an embodiment where nasal prongs 523A, 523B are held at a desired distance apart by spacer 540 comprising slidable band 548 that comprises teeth, serrations or ridges 1548 releasably engageable by lever 549.
  • Lever 549 engages teeth, serrations or ridges 1548 of flat band 548 to releasably maintain the desired distance between prongs 523A, 523B and thereby allow adjustment of the spacing between prongs 523 A, 523B.
  • slidable band 548 is located underneath arms 52 IA, 521B of nasal conduits 520A, 520B (relative to an individual's nares) to maximize the distance between slidable band 548 and the individual's nasal septum. This should eliminate or at least minimize any potential contact between slidable flat band 548 and the individual's nasal septum.
  • nasal prongs 623A, 623B are held at an appropriate distance apart by spacer 640 comprising slidable t band 648 that comprises teeth, serrations or ridges 1648 releasably engageable by cam 650.
  • cam 650 releasably engages teeth, serrations or ridges 1648 of slidable band 648 to releasably maintain the desired distance between prongs 623A, 623B and thereby allow adjustment of the spacing between prongs 623A, 623B.
  • spacer 640 comprising slidable t band 648 that comprises teeth, serrations or ridges 1648 releasably engageable by cam 650.
  • Cam 650 releasably engages teeth, serrations or ridges 1648 of slidable band 648 to releasably maintain the desired distance between prongs 623A, 623B and thereby allow adjustment of the spacing between prongs 623A, 623B.
  • slidable band 648 is ideally located underneath arms 621A, 621B of nasal conduits 620A, 620B (relative to an individual's nares) to maximize the distance between slidable band 648 and the individual' s nasal septum.
  • slidable band 540, 640 is shown as a "flat" band in FIGS 6 and 7. However, in certain embodiments slidable band 540, 640 may be curved to facilitate a more comfortable fit on the individual.
  • FIG. 8 shows an example of one way in which nasal conduit 720A is attached to air supply conduit 730A.
  • arm 72 IA is pushed onto air supply conduit 730A and barbs770A, 770B are employed to hold arm 72 IA in place on air supply conduit 730A.
  • device 810 comprises nasal prong 823 having inlet 870 and outlet 880, which each operate as "one- way" valves.
  • Inlet 870 comprises leaflet 871 which moves between open position 872 and closed position 873 to enable a one-way flow of air to the nares.
  • Outlet 880 comprises leaflet 881 which moves between closed position 882 and open position 883 to enable a one-way flow of exhaled gas from the nares to atmosphere via aperture 884.
  • Screen 890 may also be provided to prevent accidental inhalation of leaflets 871 and/or 881.
  • the present invention provides continuous positive airway pressure to an individual, typically an infant human, without engaging or otherwise contacting the nasal septum in a manner that causes irritation or discomfort to the user.
  • Air, oxygen or other breathable gas is supplied via separate air supply conduits and nasal conduits, rather than via a common air supply conduit into separate nasal conduits. This eliminates the portion of the common air supply conduit that contacts and irritates the nasal septum.
  • the nasal prongs may be provided in a variety of interchangeably different sizes to suit the size of the nares of the user, which also assists the objective of reducing the level of irritation and discomfort..
  • the present invention provides improved nasal septal protection, ease of attachment, ease of nursing care, reduced weight and bulk, the ability to adapt nasal conduit size to different nare sizes (sometimes if a child has been nasally intubated, one nare is larger than the other), and variable separation between respective conduits.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Otolaryngology (AREA)
  • Emergency Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Medicinal Preparation (AREA)

Abstract

L'invention porte sur un dispositif d'administration d'air pressurisé, sur un système et un procédé qui fournissent une assistance respiratoire à des individus, en particulier des enfants. Le dispositif comprend des conduits nasaux ou branches qui sont en communication fluide avec des conduits d'alimentation respectifs alimentant séparément chaque conduit nasal en un gaz respirable tel que de l'air ou de l'oxygène. On peut choisir la dimension des conduits nasaux ou branches en fonction de la dimension des narines de l'individu et l'espacement entre les conduits nasaux ou branches peut être ajustable.
PCT/AU2009/001519 2008-11-21 2009-11-23 Dispositif d'assistance respiratoire et système et procédé WO2010057268A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US13/130,694 US20110240035A1 (en) 2008-11-21 2009-11-23 Respiratory assistance device and system and method
AU2009317882A AU2009317882B2 (en) 2008-11-21 2009-11-23 Respiratory assistance device and method
US16/222,134 US20190201646A1 (en) 2008-11-21 2018-12-17 Respiratory assistance device and system and method

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2008906036 2008-11-21
AU2008906036A AU2008906036A0 (en) 2008-11-21 Respiratory assistance device system and method

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/130,694 A-371-Of-International US20110240035A1 (en) 2008-11-21 2009-11-23 Respiratory assistance device and system and method
US16/222,134 Continuation US20190201646A1 (en) 2008-11-21 2018-12-17 Respiratory assistance device and system and method

Publications (1)

Publication Number Publication Date
WO2010057268A1 true WO2010057268A1 (fr) 2010-05-27

Family

ID=42197762

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2009/001519 WO2010057268A1 (fr) 2008-11-21 2009-11-23 Dispositif d'assistance respiratoire et système et procédé

Country Status (3)

Country Link
US (2) US20110240035A1 (fr)
AU (1) AU2009317882B2 (fr)
WO (1) WO2010057268A1 (fr)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8136527B2 (en) 2003-08-18 2012-03-20 Breathe Technologies, Inc. Method and device for non-invasive ventilation with nasal interface
US8381729B2 (en) 2003-06-18 2013-02-26 Breathe Technologies, Inc. Methods and devices for minimally invasive respiratory support
US8418694B2 (en) 2003-08-11 2013-04-16 Breathe Technologies, Inc. Systems, methods and apparatus for respiratory support of a patient
US8567399B2 (en) 2007-09-26 2013-10-29 Breathe Technologies, Inc. Methods and devices for providing inspiratory and expiratory flow relief during ventilation therapy
US8677999B2 (en) 2008-08-22 2014-03-25 Breathe Technologies, Inc. Methods and devices for providing mechanical ventilation with an open airway interface
US8770193B2 (en) 2008-04-18 2014-07-08 Breathe Technologies, Inc. Methods and devices for sensing respiration and controlling ventilator functions
US8776793B2 (en) 2008-04-18 2014-07-15 Breathe Technologies, Inc. Methods and devices for sensing respiration and controlling ventilator functions
US8925545B2 (en) 2004-02-04 2015-01-06 Breathe Technologies, Inc. Methods and devices for treating sleep apnea
US8939152B2 (en) 2010-09-30 2015-01-27 Breathe Technologies, Inc. Methods, systems and devices for humidifying a respiratory tract
US8955518B2 (en) 2003-06-18 2015-02-17 Breathe Technologies, Inc. Methods, systems and devices for improving ventilation in a lung area
US8985099B2 (en) 2006-05-18 2015-03-24 Breathe Technologies, Inc. Tracheostoma spacer, tracheotomy method, and device for inserting a tracheostoma spacer
US9132250B2 (en) 2009-09-03 2015-09-15 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
US9180270B2 (en) 2009-04-02 2015-11-10 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles within an outer tube
US9962512B2 (en) 2009-04-02 2018-05-08 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
US10058668B2 (en) 2007-05-18 2018-08-28 Breathe Technologies, Inc. Methods and devices for sensing respiration and providing ventilation therapy
US10099028B2 (en) 2010-08-16 2018-10-16 Breathe Technologies, Inc. Methods, systems and devices using LOX to provide ventilatory support
US10252020B2 (en) 2008-10-01 2019-04-09 Breathe Technologies, Inc. Ventilator with biofeedback monitoring and control for improving patient activity and health
US10792449B2 (en) 2017-10-03 2020-10-06 Breathe Technologies, Inc. Patient interface with integrated jet pump

Families Citing this family (12)

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CA2774902C (fr) 2009-09-03 2017-01-03 Breathe Technologies, Inc. Procedes, systemes et dispositifs de ventilation non invasive comprenant une interface de ventilation non etanche avec orifice d'entrainement et/ou element de pression
WO2011030250A1 (fr) * 2009-09-11 2011-03-17 Koninklijke Philips Electronics N.V. Dispositif d'interface patient-ventilateur comprenant un mécanisme permettant de modifier la position d'un composant interne dudit dispositif
US11904096B2 (en) 2012-09-12 2024-02-20 Inogen, Inc. Nasal interface apparatus and systems for use with a respiratory assist device
EP2895222B1 (fr) 2012-09-12 2018-12-19 Silverbow Development LLC Appareil et systèmes d'interface nasale destinés à être utilisés avec un dispositif d'assistance respiratoire
US9492626B2 (en) * 2013-06-28 2016-11-15 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Breathing assistance assemblies suitable for long term no therapy
US9522247B2 (en) * 2013-06-28 2016-12-20 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Method of treating a patient having pulmonary hypertension by long term NO therapy
US9566407B2 (en) * 2013-06-28 2017-02-14 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Nasal cannula assembly with flow control passage communicating with a deformable reservoir
US9486600B2 (en) * 2013-06-28 2016-11-08 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Nasal cannula assembly with inhalation valves communicating with a deformable reservoir
US9517318B2 (en) * 2013-06-28 2016-12-13 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Method of delivering medical gases via a nasal cannula assembly with flow control passage communicating with a deformable reservoir
US9522248B2 (en) * 2013-06-28 2016-12-20 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Breathing assistance apparatus for delivery of nitric oxide to a patient by means of a nasal cannula assembly with flow control passage
CN106693140B (zh) * 2017-01-06 2020-02-07 北京怡和嘉业医疗科技股份有限公司 一种呼吸面罩鼻垫和呼吸面罩
WO2018134821A1 (fr) 2017-01-20 2018-07-26 Oridion Medical 1987 Ltd. Masques à oxygène et à échantillonnage d'haleine

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WO2006063339A2 (fr) * 2004-12-08 2006-06-15 Ventus Medical, Inc. Dispositifs respiratoires et procedes d'utilisation

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US4278082A (en) * 1979-05-11 1981-07-14 Blackmer Richard H Adjustable nasal cannula
US5097827A (en) * 1991-03-22 1992-03-24 Ddi Industries, Inc. Holder for medical tubing
WO1992020392A1 (fr) * 1991-05-24 1992-11-26 Calor Air Separation Limited Canule nasale
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EP0821978A2 (fr) * 1996-07-30 1998-02-04 Hart-Ellereth Medical Inc. Appareil léger pour la ventilation en pression positive
US20020046755A1 (en) * 1999-05-28 2002-04-25 Torsten De Voss Gas-supplying device
US20040244804A1 (en) * 2001-09-13 2004-12-09 Olsen Gregory James Breathing assistance apparatus
WO2006063339A2 (fr) * 2004-12-08 2006-06-15 Ventus Medical, Inc. Dispositifs respiratoires et procedes d'utilisation

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8955518B2 (en) 2003-06-18 2015-02-17 Breathe Technologies, Inc. Methods, systems and devices for improving ventilation in a lung area
US8381729B2 (en) 2003-06-18 2013-02-26 Breathe Technologies, Inc. Methods and devices for minimally invasive respiratory support
US8418694B2 (en) 2003-08-11 2013-04-16 Breathe Technologies, Inc. Systems, methods and apparatus for respiratory support of a patient
US8573219B2 (en) 2003-08-18 2013-11-05 Breathe Technologies, Inc. Method and device for non-invasive ventilation with nasal interface
US8136527B2 (en) 2003-08-18 2012-03-20 Breathe Technologies, Inc. Method and device for non-invasive ventilation with nasal interface
US8925545B2 (en) 2004-02-04 2015-01-06 Breathe Technologies, Inc. Methods and devices for treating sleep apnea
US8985099B2 (en) 2006-05-18 2015-03-24 Breathe Technologies, Inc. Tracheostoma spacer, tracheotomy method, and device for inserting a tracheostoma spacer
US10058668B2 (en) 2007-05-18 2018-08-28 Breathe Technologies, Inc. Methods and devices for sensing respiration and providing ventilation therapy
US8567399B2 (en) 2007-09-26 2013-10-29 Breathe Technologies, Inc. Methods and devices for providing inspiratory and expiratory flow relief during ventilation therapy
US8770193B2 (en) 2008-04-18 2014-07-08 Breathe Technologies, Inc. Methods and devices for sensing respiration and controlling ventilator functions
US8776793B2 (en) 2008-04-18 2014-07-15 Breathe Technologies, Inc. Methods and devices for sensing respiration and controlling ventilator functions
US8677999B2 (en) 2008-08-22 2014-03-25 Breathe Technologies, Inc. Methods and devices for providing mechanical ventilation with an open airway interface
US10252020B2 (en) 2008-10-01 2019-04-09 Breathe Technologies, Inc. Ventilator with biofeedback monitoring and control for improving patient activity and health
US9227034B2 (en) 2009-04-02 2016-01-05 Beathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation for treating airway obstructions
US10695519B2 (en) 2009-04-02 2020-06-30 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles within nasal pillows
US11896766B2 (en) 2009-04-02 2024-02-13 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation with gas delivery nozzles in free space
US9675774B2 (en) 2009-04-02 2017-06-13 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles in free space
US9962512B2 (en) 2009-04-02 2018-05-08 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with a free space nozzle feature
US10046133B2 (en) 2009-04-02 2018-08-14 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation for providing ventilation support
US11707591B2 (en) 2009-04-02 2023-07-25 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles with an outer tube
US11103667B2 (en) 2009-04-02 2021-08-31 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation with gas delivery nozzles in free space
US10232136B2 (en) 2009-04-02 2019-03-19 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation for treating airway obstructions
US10709864B2 (en) 2009-04-02 2020-07-14 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles with an outer tube
US9180270B2 (en) 2009-04-02 2015-11-10 Breathe Technologies, Inc. Methods, systems and devices for non-invasive open ventilation with gas delivery nozzles within an outer tube
US9132250B2 (en) 2009-09-03 2015-09-15 Breathe Technologies, Inc. Methods, systems and devices for non-invasive ventilation including a non-sealing ventilation interface with an entrainment port and/or pressure feature
US10099028B2 (en) 2010-08-16 2018-10-16 Breathe Technologies, Inc. Methods, systems and devices using LOX to provide ventilatory support
US8939152B2 (en) 2010-09-30 2015-01-27 Breathe Technologies, Inc. Methods, systems and devices for humidifying a respiratory tract
US9358358B2 (en) 2010-09-30 2016-06-07 Breathe Technologies, Inc. Methods, systems and devices for humidifying a respiratory tract
US10792449B2 (en) 2017-10-03 2020-10-06 Breathe Technologies, Inc. Patient interface with integrated jet pump

Also Published As

Publication number Publication date
US20190201646A1 (en) 2019-07-04
AU2009317882A1 (en) 2011-07-14
AU2009317882B2 (en) 2015-05-28
US20110240035A1 (en) 2011-10-06

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