Patent ID: 11878094
Assignee: RESMED PTY LTD
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A humidifier tub with a chamber configured to contain a body of water and humidify a pressurized flow of respiratory gas, the humidifier tub comprising:
a first side and a second side opposing the first side, the first side having an air inlet opening configured to receive the pressurized flow of respiratory gas;
an air outlet opening configured to discharge the pressurized flow of respiratory gas with added humidity;
an inlet passage extending from the air inlet opening toward the second side so that the pressurized flow of respiratory gas travels through the inlet passage in a first direction;
a guidance structure located between the first and second sides and positioned so that a traveling direction of the pressurized flow of respiratory gas changes from the first direction to a second direction upon the pressurized flow of respiratory gas engaging the guidance structure;
a lid forming a top side of the chamber, the guidance structure extending downward from the lid; and
a heat conducting base plate located on a bottom side of the chamber,
wherein the first direction is a lateral direction and the second direction is a downward direction.