Expandable device for thermal therapy

Details Expandable device for thermal therapy Expandable device for thermal therapy

A - Human Necessities

61

F

A61F 7/12 (2006.01) A61B 17/00 (2006.01) A61F 7/00 (2006.01) A61F 7/10 (2006.01)

Patent

CA 2425015

A method and expandable device for thermally affecting tissue in which there is a fluid conduit. An expandable element includes a wall defining an inner volume. The wall has a tissue contact region which is non-coaxial with the longitudinal axis of the fluid conduit. The tissue contact region is operable to have a first contact surface area and a second contact surface area in which the second contact surface area is larger than the first contact surface area. A port is formed through the wall and is in fluid communication with the fluid conduit.

L'invention concerne une méthode et un dispositif expansible permettant d'agir de façon thermique sur un tissu et comprenant un conduit fluidique. Un élément expansible comprend une paroi définissant un volume intérieur. Cette paroi présente une région de contact de tissu qui n'est pas coaxiale avec l'axe longitudinal du conduit fluidique. La région de contact de tissu est conçue de manière à présenter des première et seconde zones de surface de contact, la seconde zone étant plus importante que la première. Un orifice est formé dans la paroi et est en communication fluidique avec le conduit fluidique.

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