Filter cartridge support structure, respiratory gas humidification connector assembly, and respiratory device

Abstract

This utility model relates to the field of respiratory therapy equipment technology, and discloses a filter element support structure, a respiratory gas humidification connector assembly, and a respiratory device. The filter element support structure, used to cover the exhaust port of a respiratory mask assembly, includes a cover. A first end of the cover is used to connect to the respiratory mask assembly, and a central hole for the passage of a respiratory tube is provided at the center of the second end of the cover. A limiting structure is provided on the inner wall of the cover to fix the filter element and restrict its axial and / or radial and / or circumferential movement. The area enclosed by the limiting structure and the central hole is the filter element placement area. Ventilation holes are provided on the base of the cover within the filter element placement area.

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