Patent Number: 6,167,883

Title: Medical air hose internal flow heater

Abstract: An improved medical conduit including a heating element for controlling the temperature and humidity of a gas to be delivered to a recipient patient is disclosed. A flexible ribbon spanning the width of a flexible tubing and extending generally the length of the tubing is provided, where the flexible ribbon carries a heating element therein. The heating element, preferably an electrically conductive wire or plurality of wires, is connected to a power supply in order to heat the flow of gas traveling within the tube. The flow is heated as it passes over and around the heating element. The flexible ribbon supporting the heating element can be integral with the tubing or comprise an insertable unit which fits into the tubing.

Inventors: Beran; Anthony V. (Santa Ana, CA), Shigezawa; Gordon (Irvine, CA), Minch; Morris (Orange, CA)

Assignee: Respiratory Support Products, Inc.

International Classification: A61M 16/10 (20060101); F16L 53/00 (20060101); F16L 11/12 (20060101); F16L 11/127 (20060101); H05B 3/58 (20060101); H05B 3/36 (20060101); H05B 3/00 (20060101); H05B 3/54 (20060101); H05B 3/34 (20060101); A61M 16/08 (20060101); A61M 16/16 (20060101); A61M 016/00 ()

Expiration Date: 01/02/2018