BREATHING ASSISTANCE APPARATUS

摘要

A breathing assistance apparatus and method of controlling a breathing assistance apparatus is disclosed. Particularly, the breathing assistance apparatus is controlled such that it has a drying cycle to enable drying of the tubing that supplies gases to a user and prevent the harbouring of pathogens within the tube. The drying cycle is preferably operated automatically by internal controllers in the apparatus. However, it may be manually activated by pressing a button on the apparatus. The drying cycle is preferably activated at the end of a user's treatment session.

主权项

1. A breathing assistance apparatus adapted to deliver humidified gases at a desired level of humidity, flow and temperature for treatment of a patient comprising: a) gases supply means providing a flow of gases, b) a humidifier having a chamber adapted to receive a volume of water and a chamber heater to heat said water in said chamber, said chamber including an inlet and an outlet, c) transportation pathway means to convey said humidified gases from said humidifier to said patient, d) a controller having stored instructions to complete the following steps at the end of said treatment of said patient: i) switch off power to said chamber heater, ii) set said flow of gases from said gases supply means to a predetermined flow for a predetermined time, iii) after said predetermined time switch off said gases supply means.