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NZ792148B2 - Headgear for a patient interface - Google Patents
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NZ792148B2 - Headgear for a patient interface - Google Patents

Headgear for a patient interface Download PDF

Info

Publication number
NZ792148B2
NZ792148B2 NZ792148A NZ79214819A NZ792148B2 NZ 792148 B2 NZ792148 B2 NZ 792148B2 NZ 792148 A NZ792148 A NZ 792148A NZ 79214819 A NZ79214819 A NZ 79214819A NZ 792148 B2 NZ792148 B2 NZ 792148B2
Authority
NZ
New Zealand
Prior art keywords
patient
patient interface
tab
head
gas delivery
Prior art date
Application number
NZ792148A
Other versions
NZ792148A (en
Inventor
Emily Elizabeth Blanch
Ryan Michael Kirkpatrick
Michiel Kooij
Stewart Joseph Wagner
Paul Derrick Watson
Hadley White
Original Assignee
ResMed Pty Ltd
Filing date
Publication date
Application filed by ResMed Pty Ltd filed Critical ResMed Pty Ltd
Priority claimed from NZ778504A external-priority patent/NZ778504A/en
Publication of NZ792148A publication Critical patent/NZ792148A/en
Publication of NZ792148B2 publication Critical patent/NZ792148B2/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
    • A61M16/0057—Pumps therefor
    • A61M16/0066—Blowers or centrifugal pumps
    • 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
    • A61M16/0605—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
    • A61M16/0622—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 having an underlying cushion
    • 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
    • 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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • 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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0816—Joints or connectors
    • A61M16/0825—Joints or connectors with ball-sockets
    • 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
    • A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
    • A61M16/0875—Connecting tubes
    • 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
    • A61M16/20—Valves specially adapted to medical respiratory devices
    • 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
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/0085—Special media to be introduced, removed or treated product washed out
    • 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
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/02—Gases
    • A61M2202/0225—Carbon oxides, e.g. Carbon dioxide
    • 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
    • A61M2205/42—Reducing noise

Abstract

The present inventions seeks to address problems of the prior art relating to comfort, cost, efficacy, ease of use and manufacturability. A positioning and stabilising structure comprising at least one gas delivery tube to receive the flow of air from a connection port on top of the patient's head and to deliver the flow of air to the entrance of the patient's airways via the seal-forming structure, the at least one gas delivery tube comprising a tube wall configured to overlie the patient’s head from a superior portion of the patient’s head to the seal forming structure passing between an eye and an ear of the patient. A tab is connected to the tube wall and located superior to the otobasion superior of the patient’s head in use. An eyelet formed in the tab and located posteriorl to the tube wall in use. Furthermore a trough formed in the tab and located posteriorly to the eyelet; and a strap constructed and arranged to contact, in use, a region of the patient’s head inferior to or overlaying an occipital bone of the patient’s head, the strap being configured to connect to and between the eyelets of the pair of gas delivery tubes and to lie within the troughs formed in the tabs in use.

Claims (18)

1. A patient interface comprising: a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH2O above ambient air pressure, said plenum chamber including a plenum chamber inlet port sized and structured to receive a flow of air at the therapeutic pressure for breathing by a patient; a seal-forming structure constructed and arranged to form a seal with a region of the patient’s face surrounding an entrance to the patient’s airways for sealed delivery of a flow of air at a therapeutic pressure of at least 6 cmH2O above ambient air pressure throughout the patient’s respiratory cycle in use, said seal-forming structure having a hole therein such that the flow of air at said therapeutic pressure is delivered to at least an entrance to the patient’s nares, the seal-forming structure constructed and arranged to maintain said therapeutic pressure in the plenum chamber throughout the patient’s respiratory cycle in use; a positioning and stabilising structure to provide a force to hold a seal-forming structure in a therapeutically effective position on a patient’s head, the positioning and stabilising structure comprising: a pair of gas delivery tubes to receive the flow of air from a connection port on top of the patient’s head and to deliver the flow of air to the entrance of the patient’s airways via the seal-forming structure, each of the pair of gas delivery tubes being constructed and arranged to contact, in use, at least a region of the patient’s head superior to an otobasion superior of the patient’s head, and each gas delivery tube comprising: a tube wall configured to overlie the patient’s head from a superior portion of the patient’s head to the seal forming structure passing between an eye and an ear of the patient; a tab connected to the tube wall and located superior to the otobasion superior of the patient’s head in use; P1415NZ6 / 506176NZDIV5 an eyelet formed in the tab and located posteriorly to the tube wall in use; and a trough formed in the tab and located posteriorly to the eyelet; a strap constructed and arranged to contact, in use, a region of the patient’s head inferior to or overlaying an occipital bone of the patient’s head, the strap being configured to connect to and between the eyelets of the pair of gas delivery tubes and to lie within the troughs formed in the tabs in use; and a vent structure to allow a continuous flow of gases exhaled by the patient from an interior of the plenum chamber to ambient, said vent structure being sized and shaped to maintain the therapeutic pressure in the plenum chamber in use, wherein the patient interface is configured to allow the patient to breath from ambient through their mouth in the absence of a flow of pressurised air through the plenum chamber inlet port, or the patient interface is configured to leave the patient’s mouth uncovered.
2. The patient interface of claim 1, wherein the trough is formed in the tab between the eyelet and a posterior side of the tab.
3. The patient interface of claim 1 or 2, the tab comprises an outwardly facing surface and the trough comprises a substantially planar surface formed as a depression with respect to the outwardly facing surface.
4. The patient interface of any one of claims 1 to 3, wherein the trough is formed by a portion of the tab having a reduced material thickness in comparison to other portions of the tab.
5. The patient interface of any one of claims 1 to 4, wherein the trough comprises a width approximately equal to the width of the strap.
6. The patient interface of claim 5, wherein the eyelet is in the form of a slit.
7. The patient interface of claim 6, wherein the width of the trough is substantially equal to a length of the slit. P1415NZ6 / 506176NZDIV5
8. The patient interface of any one of claims 1-7, wherein each tab is integrally formed with a respective one of the tube walls of the gas delivery tubes.
9. The patient interface of any one of claims 1-7, wherein each tab is formed separately and assembled to a respective one of the gas delivery tubes.
10. The patient interface of claim 9, wherein each tab is movably connected to a respective one of the gas delivery tubes to enable adjustment of the position and/or angle of the tabs.
11. The patient interface of any one of claims 1-10, wherein each of the gas delivery tubes comprises an extendable portion.
12. The patient interface of claim 11, wherein each of the gas delivery tubes comprises an extendable concertina structure.
13. The patient interface of claim 11 or 12, wherein each tab is located inferiorly to a respective one of the extendable portions of the gas delivery tubes.
14. The patient interface of claim 13, wherein each tab comprises a superior edge spaced along the length of the respective gas delivery tube from an inferior end of the respective extendable portion.
15. The patient interface of any one of claims 1-14, wherein the strap comprises a rectangular cross section with rounded edges.
16. The patient interface of any one of claims 1-15, wherein the strap is constructed from a laminate of a fabric patient-contacting layer, a foam inner layer and a fabric outer layer.
17. The patient interface of any one of claims 1-16, wherein the strap is the only strap of the positioning and stabilising structure.
18. The patient interface of any one of claims 1-16 wherein the patient interface comprises an additional lower strap connecting in use to a cushion module comprising the plenum chamber and seal-forming structure and passes inferior to the patient’s ears and around the back of the patient’s head.
NZ792148A 2019-08-20 Headgear for a patient interface NZ792148B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862764995P 2018-08-20 2018-08-20
NZ778504A NZ778504A (en) 2018-08-20 2019-08-20 Headgear for a patient interface

Publications (2)

Publication Number Publication Date
NZ792148A NZ792148A (en) 2024-07-05
NZ792148B2 true NZ792148B2 (en) 2024-10-08

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