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NZ750095B2 - Respiratory pressure therapy system - Google Patents
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NZ750095B2 - Respiratory pressure therapy system - Google Patents

Respiratory pressure therapy system

Info

Publication number
NZ750095B2
NZ750095B2 NZ750095A NZ75009517A NZ750095B2 NZ 750095 B2 NZ750095 B2 NZ 750095B2 NZ 750095 A NZ750095 A NZ 750095A NZ 75009517 A NZ75009517 A NZ 75009517A NZ 750095 B2 NZ750095 B2 NZ 750095B2
Authority
NZ
New Zealand
Prior art keywords
ref
p1285nz1
resmed
jaws
vent hole
Prior art date
Application number
NZ750095A
Other versions
NZ750095A (en
Inventor
Liam Holley
Barton John Kenyon
Emily Claire Shrubb
Original Assignee
ResMed Pty Ltd
Filing date
Publication date
Application filed by ResMed Pty Ltd filed Critical ResMed Pty Ltd
Priority to NZ790377A priority Critical patent/NZ790377B2/en
Priority to NZ790376A priority patent/NZ790376B2/en
Priority to NZ790375A priority patent/NZ790375B2/en
Priority to NZ790340A priority patent/NZ790340B2/en
Priority claimed from PCT/AU2017/050761 external-priority patent/WO2018018074A1/en
Publication of NZ750095A publication Critical patent/NZ750095A/en
Publication of NZ750095B2 publication Critical patent/NZ750095B2/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
    • 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
    • A61M16/0069—Blowers or centrifugal pumps the speed thereof being controlled by respiratory parameters, e.g. by inhalation
    • 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
    • A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes operated by electrical means
    • A61M16/022—Control means therefor
    • A61M16/024—Control means therefor including calculation means, e.g. using a processor
    • 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
    • A61M16/0666—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
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/1045—Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
    • 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
    • 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
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3341—Pressure; Flow stabilising pressure or flow to avoid excessive variation
    • 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
    • A61M2205/82—Internal energy supply devices
    • A61M2205/8206—Internal energy supply devices battery-operated
    • 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
    • A61M2209/00—Ancillary equipment
    • A61M2209/08—Supports for equipment
    • A61M2209/088—Supports for equipment on the body
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/068—Battery powered
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/162—Double suction pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/164—Multi-stage fans, e.g. for vacuum cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/424—Double entry casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F04D29/444—Bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade

Abstract

The present technology is directed to a respiratory pressure therapy system, that includes a plenum chamber pressurisable to a therapeutic pressure above ambient air pressure, a seal-forming structure to form a seal with an entrance to the patient's airways to maintain said therapeutic pressure in the plenum chamber throughout the patient's respiratory cycle in use, a positioning and stabilising structure constructed and arranged to provide an elastic force to hold the seal-forming structure in a therapeutically effective position on the patient's head, a blower configured to generate the flow of air and pressurise the plenum chamber to the therapeutic pressure, the blower having a motor, the blower being connected to the plenum chamber such that the blower is suspended from the patient's head and the axis of rotation of the motor is perpendicular to the patient's sagittal plane, and a power supply configured to provide electrical power to the blower.

Claims (29)

1. A respiratory pressure therapy (RPT) system comprising: at least one housing portion at least partially defining a plenum chamber pressurisable to a therapeutic pressure of at least 6 cmH O above ambient air pressure; a seal-forming structure constructed and arranged to form a seal with a region of a patient’s face at or surrounding an entrance to the patient’s airways such that a flow of air at said therapeutic pressure is delivered to at least the 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 constructed and arranged to provide an elastic force to hold the seal-forming structure in a therapeutically effective position on the patient’s head, the positioning and stabilising structure comprising a tie, a lateral portion of the tie being constructed and arranged to overlie a region of the patient’s head superior to the otobasion superior in use, and a superior portion of the tie being constructed and arranged to overlie a region of the patient’s head in a region of the parietal bone in use, wherein the positioning and stabilising structure has a non- rigid decoupling portion; a blower configured to generate the flow of air at said therapeutic pressure and pressurise the plenum chamber to the therapeutic pressure, the blower having a motor, the blower being connected to the plenum chamber such that in use the blower is suspended from the patient’s head and an axis of rotation of the motor is generally perpendicular to the patient’s sagittal plane; and a power supply configured to provide electrical power to the blower, wherein the at least one housing portion comprises a vent assembly, the vent assembly comprising: a base having a first side and a second side and a passage through the base from the first side to the second side, the passage configured to allow the flow of air at said therapeutic pressure through the base from the first side to the second side; ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ at least one vent hole extension extending from the base and at least partially defining the passage; at least one vent hole passing through the at least one vent hole extension, the at least one vent hole configured to allow a vent flow of air to pass from the passage to atmosphere; and at least one flexible membrane attached to the at least one vent hole extension and extending into the passage, the at least one flexible membrane being configured to cover the at least one vent hole in a closed position to prevent the flow of air at said therapeutic pressure from being discharged from the passage to atmosphere, and the at least one flexible membrane being configured not to cover the at least one vent hole in an open position to allow the vent flow of air to be discharged to atmosphere from the passage.
2. The RPT system of claim 1, wherein the at least one vent hole extension includes an interior vent hole surface, each at least one vent hole passing through the interior vent hole surface to the passage.
3. The RPT system of claim 2, wherein the at least one flexible membrane is attached to the at least one vent hole extension at the interior vent hole surface.
4. The RPT system of claim 2 or 3, wherein the at least one vent hole extension includes an exterior vent hole surface, each at least one vent hole passing through the exterior vent hole surface to atmosphere.
5. The RPT system of claim 4, wherein the at least one vent hole extension further comprises an internal surface, and wherein the vent hole extension has a generally triangular cross-section formed by the interior vent hole surface, the exterior vent hole surface, and the internal surface.
6. The RPT system of any one of claims 2 to 5, wherein the interior vent hole surface slopes downwardly into the interior of the vent assembly relative to the flow of air at said therapeutic pressure passing through the passage. ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ
7. The RPT system of any one of claims 1 to 6, wherein the at least one vent hole extension further comprises two diametrically opposed vent hole extensions, wherein the at least one flexible membrane further comprises two flexible membranes, each of the two flexible membranes attached to a corresponding one of the two diametrically opposed vent hole extensions, and wherein the vent assembly further comprises a divider positioned between the two diametrically opposed vent hole extensions to form a first passage and a second passage.
8. The RPT system of claim 7, wherein the two flexible membranes do not contact the divider in the open position.
9. The RPT system of any one of claims 1 to 8, wherein the at least one flexible membrane is constructed of an elastically deformable material.
10. The RPT system of any one of claims 1 to 9, wherein the at least one flexible membrane is cantilevered to the at least one vent hole extension.
11. The RPT system of any one of claims 1 to 10, wherein the blower is contained at least partially within the plenum chamber.
12. The RPT system of claim 11, wherein the at least one housing portion comprises two housing portions that are at least partially separable to allow the blower to be removed from the plenum chamber.
13. The RPT system of claim 12, wherein the two housing portions are joined at one side in a clamshell arrangement to allow the plenum chamber to be opened and closed.
14. The RPT system of any one of claim 12 or claim 13, further comprising a sealing structure between the two housing portions.
15. The RPT system of any one of claims 1 to 14, wherein at least one attachment structure extends from the plenum chamber to attach the positioning and stabilising structure to secure the RPT system to the patient’s head in use. ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ
16. The RPT system of any one of claims 1 to 15, wherein the plenum chamber comprises a port that is configured to be connected to at least one of a pressure transducer and a supplemental gas source.
17. The RPT system of any one of claims 1 to 16, wherein the seal-forming structure comprises: a pair of nasal puffs, or nasal pillows, each nasal puff or nasal pillow being constructed and arranged to form a seal with a respective naris of the nose of the patient; a seal-forming structure that forms a seal in use on a nose bridge region or on a nose-ridge region of the patient’s face and that forms a seal in use on an upper lip region of the patient’s face; or a seal-forming structure that forms a seal in use on a nose bridge region or on a nose-ridge region of the patient’s face and that forms a seal in use on a chin- region of the patient’s face.
18. The RPT system of any one of claims 1 to 17, further comprising a heat and moisture exchanger (HME) within the plenum chamber that is positioned in the flow of air at said therapeutic pressure and downstream of the blower.
19. The RPT system of any one of claims 1 to 18, wherein the power supply comprises a battery, the battery further comprising at least one electrochemical cell.
20. The RPT system of claim 19, further comprising at least one wire supported by the positioning and stabilising structure, the at least one wire providing electrical communication between the blower and the battery.
21. The RPT system of claim 20, wherein the at least one wire is contained within the lateral portion of the tie.
22. The RPT system of any one of claims 1 to 21, wherein the seal-forming structure comprises an elastically deformable material that is less rigid than the plenum chamber, and ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ wherein a portion of the seal-forming structure substantially encloses the plenum chamber and the blower while allowing at least an inlet of the blower to remain exposed.
23. The RPT system of claim 22, wherein the seal-forming structure is shaped and dimensioned and the elastically deformable material of the seal-forming structure is selected to at least partially isolate the patient’s head from vibration and dampen sound generated by the blower in use.
24. The RPT system of any one of claims 1 to 23, further comprising a cover comprising an elastically deformable material that is less rigid than the plenum chamber that substantially encloses the plenum chamber and the blower while allowing at least an inlet of the blower to remain exposed.
25. The RPT system of claim 24, wherein the cover is shaped and dimensioned and the elastically deformable material of the cover is selected to at least partially isolate the patient’s head from vibration and dampen sound generated by the blower in
26. The RPT system of any one of claims 1 to 25, further comprising a control system to control the blower in use.
27. The RPT system of claim 26, wherein the control system comprises a flexible printed circuit board assembly (PCBA), the PCBA comprising a microprocessor.
28. The RPT system of claim 27, wherein the microprocessor is programmed to perform at least one of closed-loop pressure control based on sensed pressure data, flow rate estimation, and automatically adjusting expiration pressure relief.
29. The RPT system of any one of claims 26 to 28, wherein the control system further comprises a drive circuit to control the power supply separately from the blower. ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ ResMed Ref: P1285NZ1 / JAWs Ref: 506229NZ
NZ750095A 2017-07-25 Respiratory pressure therapy system NZ750095B2 (en)

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NZ790377A NZ790377B2 (en) 2017-07-25 Respiratory pressure therapy system
NZ790376A NZ790376B2 (en) 2017-07-25 Respiratory pressure therapy system
NZ790375A NZ790375B2 (en) 2017-07-25 Respiratory pressure therapy system
NZ790340A NZ790340B2 (en) 2017-07-25 Respiratory pressure therapy system

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AU2016902914A AU2016902914A0 (en) 2016-07-25 Respiratory pressure therapy system
AU2016904093A AU2016904093A0 (en) 2016-10-11 Respiratory Pressure Therapy System
US201762458862P 2017-02-14 2017-02-14
US201762512445P 2017-05-30 2017-05-30
PCT/AU2017/050761 WO2018018074A1 (en) 2016-07-25 2017-07-25 Respiratory pressure therapy system

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NZ750095B2 true NZ750095B2 (en) 2024-07-30

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