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NZ770095B2 - Textile Patient Interface - Google Patents
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NZ770095B2 - Textile Patient Interface - Google Patents

Textile Patient Interface

Info

Publication number
NZ770095B2
NZ770095B2 NZ770095A NZ77009515A NZ770095B2 NZ 770095 B2 NZ770095 B2 NZ 770095B2 NZ 770095 A NZ770095 A NZ 770095A NZ 77009515 A NZ77009515 A NZ 77009515A NZ 770095 B2 NZ770095 B2 NZ 770095B2
Authority
NZ
New Zealand
Prior art keywords
patient
membrane
patient interface
air
seal
Prior art date
Application number
NZ770095A
Other versions
NZ770095A (en
Inventor
Hollie Elizabeth Baigent
Jessica Lea Dunn
Justin John Formica
Joel Edward Gibson
Kirrily Michele Haskard
Rachel Herman
Michiel Kooij
Jose Ignacio Romagnoli
Gerard Michael Rummery
Rupert Christian Scheiner
Original Assignee
ResMed Pty Ltd
Filing date
Publication date
Priority claimed from PCT/AU2015/050546 external-priority patent/WO2016041008A1/en
Application filed by ResMed Pty Ltd filed Critical ResMed Pty Ltd
Priority claimed from NZ732522A external-priority patent/NZ732522A/en
Publication of NZ770095A publication Critical patent/NZ770095A/en
Publication of NZ770095B2 publication Critical patent/NZ770095B2/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
    • A61M16/0605—Means for improving the adaptation of the mask to the patient
    • A61M16/0616—Means for improving the adaptation of the mask to the patient with face sealing means comprising a flap or membrane projecting inwards, such that sealing increases with increasing inhalation gas pressure
    • 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
    • A61M16/0683—Holding devices therefor
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/1055—Filters bacterial
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/105—Filters
    • A61M16/106—Filters in a path
    • A61M16/107—Filters in a path in the inspiratory path
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1075—Preparation of respiratory gases or vapours by influencing the temperature
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • 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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/14—Preparation of respiratory gases or vapours by mixing different fluids, one of them being in a liquid phase
    • A61M16/16—Devices to humidify the respiration air
    • A61M16/161—Devices to humidify the respiration air with means for measuring the humidity
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/0027—Accessories therefor, e.g. sensors, vibrators, negative pressure pressure meter
    • 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
    • A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
    • A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
    • A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
    • A61M2016/0036—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical in the breathing tube and used in both inspiratory and expiratory phase
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3368—Temperature
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0618—Nose

Abstract

patient interface for sealed delivery of a flow of air at a continuously positive pressure with respect to ambient air pressure to an entrance to a patient’s airways, comprising a plenum chamber (3200) connected to a seal forming structure (3100) comprising an air impermeable membrane comprising a first textile material (3109) having one or two nasal holes (3101) to direct the flow of air to the patient's nares. The seal forming structure further comprises a foam undercushion (3114) that comprises a pair of alar sealing regions (3113) configured to compress into the corners of the patient's nose, wherein the foam undercushion is shaped such that a first portion of the membrane is supported by the foam undercushion and a second portion of the membrane is not supported by the foam undercushion. An outer periphery (3115) of the membrane is joined to the foam undercushion with an airtight bond and the membrane is configured to cover the foam undercushion such that, in use, the membrane can inflate away from the foam undercushion and seal at the corners of the patient's nose. The invention provides a seal forming structure that is comfortable for the user with less leakage of supplied air.

Claims (18)

1. A patient interface for sealed delivery of a flow of air at a continuously positive pressure with respect to ambient air pressure to an entrance to the t’s airways including at least a patient’s nares, wherein the patient interface is configured to in a therapy pressure in a range of about 4 cmH2O to about 30 cmH2O above ambient air re in use, throughout the patient’s respiratory cycle, while the patient is sleeping, to ameliorate sleep disordered breathing, the patient interface comprising: a plenum chamber having a connection port configured to be connected to an air delivery tube to receive the flow of air; and a seal-forming structure connected to the plenum chamber and comprising: a ne sing a first textile material which is air-impermeable and configured to contact the patient’s face and seal around the entrance to the patient’s airways including at least the patient’s nares, the membrane having either one or two nasal holes configured to direct the flow of air to the entrance to the patient’s s including at least the patient’s nares; and a foam undercushion that comprises a pair of alar sealing regions configured to compress into the corners of the patient's nose in use, wherein the foam undercushion is shaped and dimensioned such that a first n of the membrane is supported by the foam undercushion and a second portion of the membrane is not supported by the foam ushion, and wherein an outer periphery of the membrane is joined to the foam undercushion with an airtight bond, and the membrane is configured to cover the foam undercushion such that, in use the membrane can inflate away from the foam undercushion and seal at the corners of the t's nose; a vent comprising a plurality of vent holes configured to wash out exhaled gas from the patient during use; and JAWS ref: 506108NZDIV4 ResMed Ref: P1135NZ5 a positioning and stabilising structure configured to maintain the seal-forming structure in sealing contact with the patient’s face, the positioning and ising structure comprising at least one strap constructed from a second textile material.
2. The patient ace of claim 1, wherein the plenum chamber comprises a third textile material.
3. The patient interface of claim 1, wherein the plenum r comprises a material that is relatively more rigid than the first textile material.
4. The patient interface of any one of claims 1 to 3, n the membrane comprises a single nasal hole.
5. The patient interface of any one of claims 1 to 3, wherein the membrane comprises two nasal holes.
6. The t interface of any one of claims 1 to 5, wherein the seal-forming structure is glued to the plenum chamber.
7. The patient interface of any one of claims 1 to 6, wherein the connection port is positioned on an or portion of the plenum chamber and is ated such that when the air delivery tube ed, in use, to the connection port, the air delivery tube extends in an inferior direction from the plenum chamber.
8. The patient interface of claim 7, wherein the first textile material is laminated with an air-impermeable material on a side that does not contact the patient.
9. The patient interface of any one of claims 1 to 8, n the seal-forming structure is configured to inflate under internal pressure when the membrane is sealed against the patient’s face. JAWS ref: 506108NZDIV4 ResMed Ref: P1135NZ5
10. The patient interface of any one of claims 1 to 9, wherein the positioning and stabilising structure further ses a pair of side straps, each of the side straps configured to pass along a corresponding side of the patient’s face.
11. The patient interface of claim 10, wherein the oning and stabilising structure further comprises a pair of rigidiser arms configured to pass along a corresponding side of the patient’s face, each of the rigidiser arms being connected to the plenum chamber by a rigidiser arm connector, and each of the rigidiser arms being concealed by a corresponding one of the side straps.
12. The patient interface of claim 11, wherein each of the side straps is configured to cushion the patient’s face against a corresponding one of the rigidiser arms.
13. The patient interface of claim 12, wherein the positioning and stabilising structure further comprises a crown strap configured to pass over the top of the patient’s head and a rear strap configured to pass behind the patient’s head.
14. The patient ace of claim 13, wherein the crown strap and the rear strap are ted to each of the side straps.
15. The patient interface of any one of claims 1 to 14, wherein the vent is oned on the plenum r.
16. The patient ace of any one of claims 1 to 15, wherein the sealforming structure comprises a nasal cradle configured to seal around an inferior periphery of the patient’s nose and at or near the tip of the t’s nose.
17. The patient interface of any one of claims 1 to 16, wherein the seal- forming structure is configured to leave the patient’s mouth uncovered.
18. The patient ace of any one of claims 1 to 15 and claim 17 when dependent on any one of claims 1 to 15, wherein the seal-forming structure is configured not to contact the bridge of the patient’s nose.
NZ770095A 2015-11-26 Textile Patient Interface NZ770095B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
AU2014904796A AU2014904796A0 (en) 2014-11-26 Textile Mask
AU2015902204A AU2015902204A0 (en) 2015-06-11 Textile Nasal Cradle Mask
US201562196329P 2015-07-24 2015-07-24
PCT/AU2015/050546 WO2016041008A1 (en) 2014-09-16 2015-09-15 Headgear comprising spacer fabric
NZ732522A NZ732522A (en) 2014-11-26 2015-11-26 Textile patient interface

Publications (2)

Publication Number Publication Date
NZ770095A NZ770095A (en) 2023-06-30
NZ770095B2 true NZ770095B2 (en) 2023-10-03

Family

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