Medical air hose having internal flow heater

Details Medical air hose having internal flow heater Medical air hose having internal flow heater

A - Human Necessities

61

M

A61M 16/00 (2006.01) A61M 16/10 (2006.01) A61M 39/00 (2006.01) F16L 11/127 (2006.01) F16L 53/00 (2006.01) H05B 3/00 (2006.01) H05B 3/36 (2006.01) H05B 3/58 (2006.01) A61M 16/08 (2006.01) A61M 16/16 (2006.01)

Patent

CA 2316654

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.

L'invention divulguée concerne un conduit à usage médical amélioré comprenant un élément chauffant qui permet de régler la température et l'humidité d'un gaz à administrer à un patient. Un ruban flexible dont la largeur est celle du diamètre d'une tubulure flexible et dont la longueur est généralement celle de la tubulure est fourni. Le ruban flexible contient l'élément chauffant. L'élément chauffant, constitué préférablement d'un ou de plusieurs fils électriques conducteurs et relié à une source d'alimentation, réchauffe le gaz voyageant dans le tube. Le gaz est chauffé à mesure qu'il passe autour de l'élément chauffant. Le ruban flexible qui contient l'élément chauffant peut être intégré à la tubulure ou être un élément séparé que l'on insert dans la tubulure.

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