Patent ID: 11857729
Assignee: FISHER & PAYKEL HEALTHCARE LIMITED
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 12:
13. A blower unit usable in a system which provides heated humidified gases to a user, the blower unit comprising:
an outer casing which encloses and forms part of the blower unit, the outer casing comprising side walls, a rear wall, and a front face that is angled rearwards;
an air inlet in the rear wall of the outer casing, through which air from atmosphere can enter the outer casing in use;
a humidifier compartment defined at least in part by a bottom wall, an upwardly extending inner side wall and an opening, and comprising a compartment inlet port and a guide;
a gases path through the outer casing between the air inlet and the compartment inlet port;
a fan unit contained within the outer casing in the gases path between the air inlet and the compartment inlet port, the fan unit which in use to draws air in through the air inlet and provide a pressurized gases stream to the compartment inlet port;
a heater base;
a display on the front face of the outer casing;
a power supply unit located within the outer casing and adapted to, in use, provide power to the blower unit; and
wherein the humidifier compartment, in use, receives a humidification unit in a vertical direction at the opening, the guide orients the humidification unit into position in the humidifier compartment, and the humidifier compartment engages a spring-loaded clip of the humidification unit to secure the humidification unit within the humidifier compartment, causing a heat conducting surface of the humidification unit to align with the heater base and a humidifier inlet port of the humidification unit to align with the compartment inlet port.