A heat treatment catheter

Details A heat treatment catheter A heat treatment catheter

A - Human Necessities

61

B

A61B 18/14 (2006.01)

Patent

CA 2600275

A heat treatment catheter (10) for use in heating a biological site in a patient's body includes an elongate electrode-carrying element (12). A plurality of heating electrodes (16) are arranged at spaced intervals at a distal region (14) of the electrode- carrying element (12). The distal region (14) of the electrode-carrying element (12) is formed into a predetermined, non-rectilinear shape so that, in use, when any two of the electrodes (16) are energised with heat energy, overlapping heat treated zones (36, 38) are created by the energised electrodes (16) to form a heat treated region extending between the two energised electrodes (16).

Cathéter pour traitement thermique (10) utilisé pour chauffer un site biologique dans le corps d~un patient comportant un élément allongé porte-électrode (12). Une pluralité d~électrodes chauffantes (16) est agencée suivant des intervalles au niveau d~une zone distale (14) de l~élément porte-électrode (12). Une forme prédéterminée non rectiligne est donnée à la zone distale (14) de l~élément porte-électrode (12) de façon que, lors de l~utilisation, quand deux quelconque des électrodes (16) sont activées par de l~énergie thermique, des zones traitées thermiquement qui se chevauchent (36, 38) soient créées par les électrodes activées (16) pour former une zone traitée thermiquement qui s~étend entre les deux électrodes activées (16).

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