Respiratory pressure treatment system

• US 11,058,845 B2
• Filed: 08/31/2020
• Issued: 07/13/2021
• Est. Priority Date: 12/17/2013
• Status: Active Grant

• Current Assignee: ResMed Pty Ltd. (ResMed Incorporated)
• Original Assignee: ResMed Pty Ltd. (ResMed Incorporated)
• Inventors: Bath, Andrew Roderick, Bertinetti, Mark, Birchall, Paul Frederick, Chui, Tommy Chung Yeung, Churchill, Dawn Rosemary, Le Loc'h, Clementine, Formica, Justin John, Harrington, Matthew Rolf, Huby, Ronald James, Kapadia, Jeegarkumar, Kenyon, Barton John, Maurer, Dimitri Marco, Nasr, Saad, Ormrod, Joseph Samuel, Romagnoli, Jose Ignacio, Row, Nathan John, Smith, Ian Malcolm, Sparrow, Robert John, Stanislas, Luke Andrew, Tang, Zhuo Ran, Tsai, Ernie Wei-Chih, Verma, Hargopal, Zhu, Chengwei
• Primary Examiner(s): Douglas, Steven O
• Application Number:
  US17/007,798
• Publication Number:
  US 20200398016A1
• Time in Patent Office: 316 Days
• CPC Class Codes: A61M 16/0063 Compressors
• CPC Class Codes: A61M 16/0066 Blowers or centrifugal pumps
• CPC Class Codes: A61M 16/024 including calculation means, e.g. using a processor
• CPC Class Codes: A61M 16/0683 Holding devices therefor
• CPC Class Codes: A61M 16/0816 Joints or connectors
• CPC Class Codes: A61M 16/0858 Pressure sampling ports
• CPC Class Codes: A61M 16/0875 Connecting tubes
• CPC Class Codes: A61M 16/0883 Circuit type
• CPC Class Codes: A61M 16/1055 bacterial
• CPC Class Codes: A61M 16/107 in the inspiratory path
• CPC Class Codes: A61M 16/1085 after being humidified or mixed with a beneficial agent
• CPC Class Codes: A61M 16/109 the humidifying liquid or the beneficial agent
• CPC Class Codes: A61M 16/1095 in the connecting tubes
• CPC Class Codes: A61M 16/12 by mixing different gases
• CPC Class Codes: A61M 16/16 Devices to humidify the respiration air A61M16/1045 takes precedence
• CPC Class Codes: A61M 16/161 with means for measuring the humidity
• CPC Class Codes: A61M 16/20 Valves specially adapted to medical respiratory devices
• CPC Class Codes: A61M 2016/0027 pressure meter
• CPC Class Codes: A61M 2016/0039 in the inspiratory circuit
• CPC Class Codes: A61M 2202/0007 introduced into the body
• CPC Class Codes: A61M 2202/0208 : Oxygen
• CPC Class Codes: A61M 2205/0216 : Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
• CPC Class Codes: A61M 2205/14 : Detection of the presence or absence of a tube, a connector or a container in an apparatus
• CPC Class Codes: A61M 2205/21 : insensitive to tilting or inclination, e.g. spill-over prevention
• CPC Class Codes: A61M 2205/3306 : Optical measuring means
• CPC Class Codes: A61M 2205/3317 : Electromagnetic, inductive or dielectric measuring means
• CPC Class Codes: A61M 2205/3331 : Pressure; Flow
• CPC Class Codes: A61M 2205/3334 : Measuring or controlling the flow rate
• CPC Class Codes: A61M 2205/3365 : Rotational speed
• CPC Class Codes: A61M 2205/3368 : Temperature
• CPC Class Codes: A61M 2205/3553 : remote, e.g. between patient's home and doctor's office
• CPC Class Codes: A61M 2205/3561 : local, e.g. within room or hospital
• CPC Class Codes: A61M 2205/3584 : using modem, internet or bluetooth
• CPC Class Codes: A61M 2205/3592 : using telemetric means, e.g. radio or optical transmission
• CPC Class Codes: A61M 2205/3653 : by Joule effect, i.e. electric resistance
• CPC Class Codes: A61M 2205/42 : Reducing noise
• CPC Class Codes: A61M 2205/50 : with microprocessors or computers
• CPC Class Codes: A61M 2205/505 : Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
• CPC Class Codes: A61M 2205/52 : with memories providing a history of measured variating parameters of apparatus or patient
• CPC Class Codes: A61M 2205/581 : by audible feedback
• CPC Class Codes: A61M 2205/582 : by tactile feedback
• CPC Class Codes: A61M 2205/583 : by visual feedback
• CPC Class Codes: A61M 2205/6054 : Magnetic identification systems
• CPC Class Codes: A61M 2205/7518 : bacterial
• CPC Class Codes: A61M 2205/8206 : battery-operated
• CPC Class Codes: A61M 2206/14 : Static flow deviators in tubes disturbing laminar flow in tubes, e.g. archimedes screws
• CPC Class Codes: A61M 2209/08 : Supports for equipment
• CPC Class Codes: A61M 2209/086 : Docking stations
• CPC Class Codes: G16H 15/00 : ICT specially adapted for medical reports, e.g. generation or transmission thereof
• CPC Class Codes: G16H 20/40 : relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
• CPC Class Codes: G16H 40/63 : for local operation
• CPC Class Codes: G16H 40/67 : for remote operation
• CPC Class Codes: H01Q 1/38 : formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 1/48 : Earthing means; Earth screens; Counterpoises

Abstract

A respiratory pressure therapy (RPT) device is disclosed for treatment of respiratory-related disorders. The RPT device includes a pressure generator, a pneumatic block, a chassis and a device outlet for delivering a supply of flow of gas to a patient interface. The RPT device also comprises a humidifier including a water reservoir.

Claims

1. A respiratory pressure therapy (RPT) device for pressurising breathable air to treat a respiratory disorder in a patient, the RPT device comprising:

a water reservoir configured to hold a volume of water to be used for humidification of the breathable air;

a pressure generator configured to pressurise breathable air;

a chassis supporting the pressure generator and the chassis comprising;

an RPT device outlet configured to be connected to an air circuit to direct breathable air pressurised by the pressure generator to the patient, the RPT device outlet being positioned on a first side of the chassis, and the RPT device outlet comprising an outlet tube that is removably coupled to the chassis;

a visual display configured to visually display characters, symbols, and/or images, the visual display being positioned on a second side of the chassis that has a different orientation from the first side; and

a dock configured to receive the water reservoir; and

an external housing supported on the chassis, the pressure generator being enclosed by the external housing, and the external housing forming an opening such that the water reservoir is slidable into and out of the dock through the opening.

2. The RPT device of claim 1, wherein the chassis comprises an input device configured to receive input to control operation of the RPT device.

3. The RPT device of claim 2, wherein the input device is positioned on the second side of the chassis.

4. The RPT device of claim 2, wherein the input device is positioned on a third side of the chassis that has a different orientation from the first side and the second side.

5. The RPT device of claim 2, wherein the input device is a button, a switch, a dial, or a touchscreen.

6. The RPT device of claim 5, wherein the input device is the touchscreen and the visual display includes the touchscreen.

7. The RPT device of claim 1, wherein the visual display comprises a Liquid Crystal Display (LCD) screen or a Light Emitting Diode (LED) display.

8. The RPT device of claim 1, wherein the first side and the second side are positioned opposite each other relative to the chassis.

9. The RPT device of claim 1, wherein the first side and the second side are positioned opposite each other such that in use the visual display faces towards the patient and the RPT device outlet faces away from the patient.

10. The RPT device of claim 1, wherein the chassis comprises an RPT device inlet configured to receive breathable air from externally of the RPT device to be pressurised by the pressure generator.

11. The RPT device of claim 1, comprising a dock inlet positioned on the dock and configured to receive breathable air pressurised by the pressure generator from the water reservoir.

12. The RPT device of claim 11, wherein the dock inlet is in pneumatic communication with the RPT device outlet through the chassis.

13. The RPT device of claim 11, comprising a dock outlet positioned on the dock and configured to direct breathable air pressurised by the pressure generator into the water reservoir.

14. The RPT device of claim 13, wherein the water reservoir comprises a water reservoir inlet and a water reservoir outlet.

15. The RPT device of claim 14, wherein the dock outlet is configured to direct breathable air pressurised by the pressure generator into the water reservoir via the water reservoir inlet when the water reservoir is received in the dock, and

wherein the dock inlet is configured to receive breathable air pressurised by the pressure generator from the water reservoir via the water reservoir outlet when the water reservoir is received in the dock.

16. The RPT device of claim 14, further comprising a first face seal and a second face seal, the first face seal being configured to seal between the dock outlet and the water reservoir inlet, and the second face seal being configured to seal between the water reservoir outlet and the dock inlet when the water reservoir is received in the dock.

17. The RPT device of claim 16, wherein the first face seal and the second face seal are positioned to seal between the dock outlet and the water reservoir inlet and between the water reservoir outlet and the dock inlet, respectively, when the water reservoir is received in the dock along a linear path.

18. The RPT device of claim 1, wherein the dock and the water reservoir are shaped and dimensioned such that a portion of the water reservoir is positioned outside of the dock when the water reservoir is received in the dock.

19. The RPT device of claim 1, wherein the water reservoir comprises a water reservoir base and a water reservoir lid connected to the water reservoir base with a hinge that allows the water reservoir lid to rotate relative to the water reservoir base between an open position and a closed position.

20. The RPT device of claim 19, wherein the water reservoir comprises a compliant portion, the compliant portion being constructed from a resilient material and configured to seal between the water reservoir base and the water reservoir lid when the water reservoir lid is in a closed position on the water reservoir base.

21. The RPT device of claim 19, wherein the water reservoir includes a friction grip configured to be positioned outside of the dock when the water reservoir is received in the dock.

22. The RPT device of claim 19, wherein the water reservoir lid includes one of a protrusion and a recess and the dock includes the other one of the protrusion and the recess, the protrusion and the recess being configured to releasably engage one another when the water reservoir is received in the dock to secure the water reservoir in the dock.

23. The RPT device of claim 1, further comprising a heating element supported on the chassis and configured to generate and conduct heat to the water reservoir when the water reservoir is received in the dock.

24. The RPT device of claim 1, wherein the RPT device outlet is configured to be connected to the air circuit such that the water reservoir is removable from the dock while the air circuit remains attached to the RPT device outlet.

25. The RPT device of claim 1, wherein the water reservoir is configured such that the water reservoir must be removed from the dock to be refilled.

26. The RPT device of claim 1, wherein the chassis comprises a slot and the outlet tube comprises a latch portion configured to releasably engage the slot and removably couple the outlet tube to the chassis.

27. The RPT device of claim 1, wherein the outlet tube comprises a face seal configured to seal against the water reservoir at a water reservoir outlet when the water reservoir is inserted into the dock.

28. The RPT device of claim 1, comprising:

a dock inlet positioned on the dock and configured to receive breathable air pressurised by the pressure generator from the water reservoir;

a dock outlet positioned on the dock and configured to direct breathable air pressurised by the pressure generator into the water reservoir; and

a heating element supported on the chassis and configured to generate and conduct heat to the water reservoir when the water reservoir is received in the dock,

wherein;

the chassis comprises an input device configured to receive input to control operation of the RPT device,

the input device is a button, a switch, a dial, or a touchscreen,

the visual display comprises a Liquid Crystal Display (LCD) screen or a Light Emitting Diode (LED) display,

the first side and the second side are positioned opposite each other relative to the chassis,

the chassis comprises an RPT device inlet configured to receive breathable air from externally of the RPT device to be pressurised by the pressure generator,

the dock inlet is in pneumatic communication with the RPT device outlet through the chassis,

the water reservoir comprises a water reservoir inlet and a water reservoir outlet,

the dock outlet is configured to direct breathable air pressurised by the pressure generator into the water reservoir via the water reservoir inlet when the water reservoir is received in the dock,

the dock inlet is configured to receive breathable air pressurised by the pressure generator from the water reservoir via the water reservoir outlet when the water reservoir is received in the dock,

the dock and the water reservoir are shaped and dimensioned such that a portion of the water reservoir is positioned outside of the dock when the water reservoir is received in the dock,

the water reservoir comprises a water reservoir base and a water reservoir lid connected to the water reservoir base with a hinge that allows the water reservoir lid to rotate relative to the water reservoir base between an open position and a closed position, and

the water reservoir comprises a compliant portion, the compliant portion being constructed from a resilient material and configured to seal between the water reservoir base and the water reservoir lid when the water reservoir lid is in a closed position on the water reservoir base.

29. A respiratory pressure therapy (RPT) device for pressurising breathable air to treat a respiratory disorder in a patient, the RPT device comprising:

a pressure generator configured to pressurise breathable air;

a chassis supporting the pressure generator and the chassis comprising;

an RPT device outlet configured to be connected to an air circuit to direct breathable air pressurised by the pressure generator to the patient, the RPT device outlet being positioned on a first side of the chassis, and the RPT device outlet comprising an outlet tube that is removably coupled to the chassis; and

a dock configured to receive a water reservoir; and

an external housing supported on the chassis, the pressure generator being enclosed by the external housing, and the external housing forming an opening such that the water reservoir is slidable into and out of the dock through the opening.

30. The RPT device of claim 29, comprising:

a water reservoir configured to hold a volume of water to be used for humidification of the breathable air;

a visual display positioned on a second side of the chassis that has a different orientation from the first side;

a dock inlet positioned on the dock and configured to receive breathable air pressurised by the pressure generator from the water reservoir;

a dock outlet positioned on the dock and configured to direct breathable air pressurised by the pressure generator into the water reservoir; and

a heating element supported on the chassis and configured to generate and conduct heat to the water reservoir when the water reservoir is received in the dock,

wherein;

the chassis comprises an input device configured to receive input to control operation of the RPT device,

the input device is a button, a switch, a dial, or a touchscreen,

the visual display comprises a Liquid Crystal Display (LCD) screen or a Light Emitting Diode (LED) display,

the first side and the second side are positioned opposite each other relative to the chassis,

the chassis comprises an RPT device inlet configured to receive breathable air from externally of the RPT device to be pressurised by the pressure generator,

the dock inlet is in pneumatic communication with the RPT device outlet through the chassis,

the water reservoir comprises a water reservoir inlet and a water reservoir outlet, the dock outlet is configured to direct breathable air pressurised by the pressure generator into the water reservoir via the water reservoir inlet when the water reservoir is received in the dock,

the dock inlet is configured to receive breathable air pressurised by the pressure generator from the water reservoir via the water reservoir outlet when the water reservoir is received in the dock,

the dock and the water reservoir are shaped and dimensioned such that a portion of the water reservoir is positioned outside of the dock when the water reservoir is received in the dock,

the water reservoir comprises a water reservoir base and a water reservoir lid connected to the water reservoir base with a hinge that allows the water reservoir lid to rotate relative to the water reservoir base between an open position and a closed position, and

the water reservoir comprises a compliant portion, the compliant portion being constructed from a resilient material and configured to seal between the water reservoir base and the water reservoir lid when the water reservoir lid is in a closed position on the water reservoir base.