Patent ID: 8448639
Filing Date: 2013-05-28
Classification: A61M

Abstract:
1. A method of controlling the delivery of a respiratory gas to a user comprising the steps of: heating a respiratory gas by a heating element to a temperature sufficient to be delivered in a respiratory gas flow path to a user at a predetermined temperature level; conveying said heated respiratory gas to said user at a predetermined flow rate; administering said respiratory gas to said user through a delivery tube having a first portion containing said heating element, with said first portion being connected at a distal end for administering respiratory gas to a user at said predetermined flow rate and at said predetermined temperature level; said heating element having a distal end portion positioned adjacent the distal end of said first delivery tube portion; said delivery tube having a second portion having a distal end; a temperature sensor carried by said second portion adjacent to the distal end thereof forming a closure of said distal end to occlude the flow of respiratory gas therethrough; and monitoring the temperature of said respiratory gas by passing said respiratory gas in a first flow path in thermal contact with said heating element and said temperature sensor and subsequently in a second flow path essentially directly to said user.