Resistive heating device and method for turbinate ablation

Details Resistive heating device and method for turbinate ablation Resistive heating device and method for turbinate ablation

A - Human Necessities

61

B

A61B 18/08 (2006.01)

Patent

CA 2623447

Devices and methods for thermal ablation of hypertrophied tissue, such as turbinates, with a resistive heating element adapted for insertion into the tissue. The device uses DC current to heat the resistive heating element, and is operated at relatively low voltage levels and low current levels. The device is easy to operate, and may be applied for predetermined time periods without feedback control, using a timing circuit or computerized control system. The resistive heating element is covered with a thin, non-stick, coating that is thermally conductive, such as Xylan~, Teflon~ or other fluoropolymer or suitable material.

La présente invention a trait à des dispositifs et des procédés pour l'ablation thermique de tissu hypertrophié, tels que des cornets nasaux, à l'aide d'un élément de chauffage résistif apte à être inséré dans le tissu. Le dispositif utilise du courant continu pour réchauffer l'élément de chauffage résistif, et est opéré à des niveaux de tension relativement bas et des niveaux de courant faibles. Le dispositif est facile à manier, et peut être appliqué pour des périodes de temps prédéterminés sans contrôle de rétroaction, à l'aide d'un circuit de minutage ou d'un système de commande informatisé. L'élément de chauffage résistif est recouvert d'un revêtement non adhésif mince qui est conducteur de chaleur, tel que XylanMD, TeflonMD, ou autre matériau à base de polymère fluoré ou approprié.

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