PATIENT INTERFACE WITH VOLUME REDUCING MEMBER

Title:

PATIENT INTERFACE WITH VOLUME REDUCING MEMBER

Document Type and Number:

Japanese Patent JP2023029504

Kind Code:

A

Abstract:

To provide a patient interface to provide a respiratory gas flow to a patient's airways.SOLUTION: A patient interface includes: a cushion assembly adapted to form a seal around a patient's nose and/or mouth; and a gas release vent configured to allow a flow of patient-exhaled CO2 to an exterior of the patient interface in order to minimize rebreathing of the patient-exhaled CO2. The cushion assembly defines a plenum chamber pressurized at a pressure above ambient pressure in use. At least one volume-reducing member is provided within the plenum chamber to reduce an effective internal volume of the plenum chamber, and is arranged to separate a main volume of the plenum chamber from a deadspace volume. The main volume is adapted to be in direct fluid communication with the patient's nose and/or mouth and the vent.SELECTED DRAWING: Figure 11

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Inventors:

Charles Harry Finch

Application Number:

JP2023000642A

Publication Date:

March 03, 2023

Filing Date:

January 05, 2023

Export Citation:

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Assignee:

RESMED PTY LTD

International Classes:

A61M16/06

Attorney, Agent or Firm:

Murayama Yasuhiko
Shinya Mihiro
Tatsuhiko Abe

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