Breathing assistance apparatus
First Claim
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) a gases supply adapted to provide a flow of gases, wherein said gases supply comprises a variable speed blower controlled by a controller, wherein the controller is configured to receive input from a user to vary the flow of gases,b) a humidifier having a chamber heater,c) the 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 to a predetermined flow for a predetermined time,iii) power a heater separate of said chamber heater to heat said flow of gases; and
iv) following said predetermined time switch off said gases supply.
1 Assignment
0 Petitions
Accused Products
Abstract
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 harboring 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.
24 Citations
17 Claims
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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:
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a) a gases supply adapted to provide a flow of gases, wherein said gases supply comprises a variable speed blower controlled by a controller, wherein the controller is configured to receive input from a user to vary the flow of gases, b) a humidifier having a chamber heater, c) the 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 to a predetermined flow for a predetermined time, iii) power a heater separate of said chamber heater to heat said flow of gases; and iv) following said predetermined time switch off said gases supply. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of controlling a breathing assistance apparatus where said apparatus is adapted to deliver humidified gases at a desired level of humidity, flow and temperature for treatment of a patient, said apparatus comprising
a gases supply adapted to provide a flow of gases, wherein said gases supply comprises a variable speed blower controlled by a controller, wherein the controller is configured to receive input from a user to vary the flow of gases, a humidifier having a chamber heater, and the controller that stores a program which causes the controller at the end of said treatment of said patient to: -
a) switch off power to said chamber heater, b) set said flow of gases from said gases supply to a predetermined flow for a predetermined time, c) power a heater separate of said chamber heater to heat said flow of gases from said gases supply, and d) following said predetermined time switch off said gases supply. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification