# US 10,864,343 B2 · Respiratory pressure treatment system

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,864,343 B2
- Document ID: US10864343B2
- Status: Granted
- Kind: B2
- Application number: 16/907,452
- Filed: 2020-06-22
- Published: 2020-10-08
- Granted: 2020-12-15
- Earliest claimed: 2013-12-17
- Assignees: ResMed Pty Ltd
- Applicants: ResMed Pty Ltd
- Inventors: Andrew Roderick Bath; Mark Bertinetti; Paul Frederick Birchall; Tommy Chung Yeung Chui; Dawn Rosemary Churchill; Clementine Le Loc'h; Justin John Formica; Matthew Rolf Harrington; Ronald James Huby; Jeegarkumar Kapadia; Barton John Kenyon; Dimitri Marco Maurer; Saad Nasr; Joseph Samuel Ormrod; Jose Ignacio Romagnoli; Nathan John Row; Ian Malcolm Smith; Robert John Sparrow; Luke Andrew Stanislas; Zhuo Ran Tang; Ernie Wei-Chih Tsai; Hargopal Verma; Chengwei Zhu
- Web page: https://patentgrep.com/patent/US10864343B2

## CPC

- A61M 16/109: {the humidifying liquid or the beneficial agent}
- A61M 16/0066: {Blowers or centrifugal pumps}
- A61M 16/024: {including calculation means, e.g. using a processor}
- A61M 16/0683: {Holding devices therefor}
- A61M 16/0816: {Joints or connectors}
- A61M 16/0858: {Pressure sampling ports}
- A61M 16/0875: {Connecting tubes}
- A61M 16/0883: {Circuit type}
- A61M 16/1085: {after being humidified or mixed with a beneficial agent}
- A61M 16/1095: {in the connecting tubes}
- A61M 16/16: Devices to humidify the respiration air {(A61M16/1045 takes precedence)}
- G16H 15/00: ICT specially adapted for medical reports, e.g. generation or transmission thereof
- G16H 20/40: relating to mechanical, radiation or invasive therapies, e.g. surgery, laser therapy, dialysis or acupuncture
- G16H 40/63: for local operation
- G16H 40/67: for remote operation
- A61M 16/0063: {Compressors}
- A61M 16/1055: {bacterial}
- A61M 16/107: {in the inspiratory path}
- A61M 16/12: by mixing different gases
- A61M 16/161: {with means for measuring the humidity}
- A61M 16/20: Valves specially adapted to medical respiratory devices
- A61M 2016/0027: {pressure meter}
- A61M 2016/0039: {in the inspiratory circuit}
- A61M 2202/0208: Oxygen
- A61M 2205/0216: Materials providing elastic properties, e.g. for facilitating deformation and avoid breaking
- A61M 2205/14: Detection of the presence or absence of a tube, a connector or a container in an apparatus
- A61M 2205/21: insensitive to tilting or inclination, e.g. spill-over prevention
- A61M 2205/3306: Optical measuring means
- A61M 2205/3317: Electromagnetic, inductive or dielectric measuring means
- A61M 2205/3331: Pressure; Flow
- A61M 2205/3334: Measuring or controlling the flow rate
- A61M 2205/3365: Rotational speed
- A61M 2205/3368: Temperature
- A61M 2205/3553: remote, e.g. between patient's home and doctor's office
- A61M 2205/3561: local, e.g. within room or hospital
- A61M 2205/3584: using modem, internet or Bluetooth®
- A61M 2205/3592: using telemetric means, e.g. radio or optical transmission
- A61M 2205/3653: by Joule effect, i.e. electric resistance
- A61M 2205/42: Reducing noise
- A61M 2205/50: with microprocessors or computers
- A61M 2205/505: Touch-screens; Virtual keyboard or keypads; Virtual buttons; Soft keys; Mouse touches
- A61M 2205/52: with memories providing a history of measured variating parameters of apparatus or patient
- A61M 2205/581: by audible feedback
- A61M 2205/582: by tactile feedback
- A61M 2205/583: by visual feedback
- A61M 2205/6054: Magnetic identification systems
- A61M 2205/7518: bacterial
- A61M 2205/8206: battery-operated
- A61M 2206/14: Static flow deviators in tubes disturbing laminar flow in tubes, e.g. archimedes screws
- A61M 2209/08: Supports for equipment
- A61M 2209/086: Docking stations
- 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)}
- H01Q 1/48: Earthing means; Earth screens; Counterpoises
- A61M: DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY (introducing media into or onto the bodies of animals A61D7/00; means for inserting tampons A61F13/26; devices for administering food or medicines orally A61J; containers for collecting, storing or administering blood or medical fluids A61J1/05); DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY (surgery A61B; chemical aspects of surgical articles A61L); DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR {(Electrotherapy, e.g. producing anaesthesia by the use of alternating or intermittent currents A61N1/36021)}
- G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## 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

### Claim 1

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 inlet configured to receive breathable air from externally of the RPT device to be pressurised by the pressure generator;
an RPT device outlet configured to be connected to an air circuit to direct breathable air pressurised by the pressure generator to the patient; and
a dock configured to receive either a water reservoir or a muffler and the dock comprising:
a dock outlet positioned on the dock and configured to direct breathable air pressurised by the pressure generator into the water reservoir or the muffler; and
a dock inlet positioned on the dock and configured to receive breathable air pressurised by the pressure generator from the water reservoir or the muffler; 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 or the muffler is insertable into and removable from the dock through the opening.

### Claim 2 (depends on 1)

The RPT device of claim 1, further comprising the water reservoir, wherein the water reservoir is configured to hold a volume of water to be used for humidification of the breathable air, the water reservoir including a water reservoir inlet and a water reservoir outlet.

### Claim 3 (depends on 2)

The RPT device of claim 2, 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.

### Claim 4 (depends on 2)

The RPT device of claim 2, 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.

### Claim 5 (depends on 2)

The RPT device of claim 2, wherein the water reservoir comprises a water reservoir base, a water reservoir lid, and 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.

### Claim 6 (depends on 5)

The RPT device of claim 5, wherein the water reservoir includes an upper handle and a lower handle that are configured to be positioned outside of the dock when the water reservoir is received in the dock.

### Claim 7 (depends on 6)

The RPT device of claim 6, wherein the water reservoir lid includes the upper handle and the water reservoir base includes the lower handle.

### Claim 8 (depends on 5)

The RPT device of claim 5, 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.

### Claim 9 (depends on 8)

The RPT device of claim 8, wherein the compliant portion is configured to urge the water reservoir lid towards the dock to maintain engagement between the protrusion and the recess when the water reservoir is received in the dock.

### Claim 10 (depends on 8)

The RPT device of claim 8, wherein the compliant portion is configured to be compressed when the water reservoir lid is urged towards the water reservoir base to disengage the protrusion and the recess and allow removal of the water reservoir from the dock.

### Claim 11 (depends on 2)

The RPT device of claim 2, 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.

### Claim 12 (depends on 2)

The RPT device of claim 2, 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.

### Claim 13 (depends on 2)

The RPT device of claim 2, wherein the water reservoir is configured such that the water reservoir must be removed from the dock to be refilled.

### Claim 14 (depends on 1)

The RPT device of claim 1, further comprising two bellows-type face seals, each of the bellows-type face seals being configured to seal against the water reservoir or the muffler at a corresponding one of the dock inlet and the dock outlet when the water reservoir or the muffler is received in the dock.

### Claim 15 (depends on 14)

The RPT device of claim 14, wherein each bellows-type face seal is positioned on the dock at a corresponding one of the dock inlet and the dock outlet to seal against the water reservoir or the muffler when received in the dock along a linear path.

### Claim 16 (depends on 1)

The RPT device of claim 1, further comprising the muffler,
wherein the muffler is configured to be removably received in the dock, the muffler including a muffler inlet and a muffler outlet.

### Claim 17 (depends on 16)

The RPT device of claim 16, wherein the dock outlet is configured to direct breathable air pressurised by the pressure generator into the muffler via the muffler inlet when the muffler is received in the dock, and
wherein the dock inlet is configured to receive breathable air pressurised by the pressure generator from the muffler via the muffler outlet when the muffler is received in the dock.

### Claim 18

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, the water reservoir including a water reservoir inlet and a water reservoir outlet;
a blower configured to pressurise the breathable air;
a chassis supporting the blower and the chassis comprising:
an RPT device inlet configured to receive breathable air from externally of the RPT device to be pressurised by the blower;
an RPT device outlet configured to be connected to an air circuit to direct breathable air pressurised by the blower to the patient; and
a dock configured to receive the water reservoir;
a dock outlet configured to direct breathable air pressurised by the blower into the water reservoir via the water reservoir inlet when the water reservoir is received in the dock; and
a dock inlet configured to receive breathable air pressurised by the blower from the water reservoir via the water reservoir outlet when the water reservoir is received in the dock; and
at least one panel supported on the chassis, enclosing the blower, and forming an opening such that the water reservoir is insertable into and removable from the dock through the opening.

### Claim 19 (depends on 18)

The RPT device of claim 18, 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.

### Claim 20 (depends on 18)

The RPT device of claim 18, wherein the water reservoir comprises a water reservoir base, a water reservoir lid, and 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.

### Claim 21 (depends on 20)

The RPT device of claim 20, wherein the water reservoir includes an upper handle and a lower handle that are configured to be positioned outside of the dock when the water reservoir is received in the dock.

### Claim 22 (depends on 21)

The RPT device of claim 21, wherein the water reservoir lid includes the upper handle and the water reservoir base includes the lower handle.

### Claim 23 (depends on 20)

The RPT device of claim 20, 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.

### Claim 24 (depends on 23)

The RPT device of claim 23, wherein the compliant portion is configured to urge the water reservoir lid towards the dock to maintain engagement between the protrusion and the recess when the water reservoir is received in the dock.

### Claim 25 (depends on 23)

The RPT device of claim 23, wherein the compliant portion is configured to be compressed when the water reservoir lid is urged towards the water reservoir base to disengage the protrusion and the recess and allow removal of the water reservoir from the dock.

### Claim 26 (depends on 18)

The RPT device of claim 18, 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.

### Claim 27 (depends on 18)

The RPT device of claim 18, 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.

### Claim 28 (depends on 18)

The RPT device of claim 18, wherein the water reservoir is configured such that the water reservoir must be removed from the dock to be refilled.

### Claim 29 (depends on 18)

The RPT device of claim 18, further comprising two bellows-type face seals, each of the bellows-type face seals being configured to seal against the water reservoir at a corresponding one of the dock inlet and the dock outlet when the water reservoir is received in the dock.

### Claim 30 (depends on 29)

The RPT device of claim 29, wherein each bellows-type face seal is positioned on the dock at a corresponding one of the dock inlet and the dock outlet to seal against the water reservoir when received in the dock along a linear path.