Patent ID: 11865254
Assignee: TRUDELL MEDICAL INTERNATIONAL INC.
Field: Medical technology (Instruments)
Classification: CPC A  Y | IPC A

Claim 14:
15. An oscillating positive expiratory pressure apparatus comprising:
a housing defining a chamber;
a chamber inlet configured to receive exhaled air into the chamber;
a chamber outlet configured to permit exhaled air to exit the chamber;
a mouthpiece in fluid communication with the chamber inlet,
a one-way valve configured to permit air outside the chamber to enter the chamber;
an inhalation flow path defined between the one-way valve and the mouthpiece;
an exhalation flow path defined between the chamber inlet and the chamber outlet;
a restrictor member; and,
a moveable oscillation member positioned in the inhalation flow path;
wherein the restrictor member and the oscillation member are configured to move relative to one another during a period of exhalation repeatedly between an engaged position, where the flow of exhaled air along the exhalation flow path is restricted and a disengaged position, where the flow of exhaled air along the exhalation flow path is less restricted; and,
wherein the one-way valve is configured to open during a period of inhalation, and close during the period of exhalation.