Patent ID: 11906097
Assignee: VYAIRE MEDICAL, INC.
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 18:
19. A method to direct fluid flow, the method comprising:
providing a tubular housing configured to accommodate a bulk expiration flow;
diverting a portion of the bulk expiration flow to a plurality of leakage ports formed in the tubular housing, wherein a profile of each of the plurality of leakage ports comprises a discorectangular profile, the discorectangular profile comprising an elongated rectangular shape with semi-circular ends each having a diameter, and a leakage port of the plurality of leakage ports is separated from a neighboring leakage port of the plurality of leakage ports by a factor of the diameter of the semi-circular ends of the discorectangular profile; and
entraining ambient air into the portion of the bulk expiration flow leaking through the plurality of leakage ports to reduce a velocity of the portion of the bulk expiration flow leaking through the plurality of leakage ports.