Patent ID: 9078663
Filing Date: 2015-07-14
Classification: A61B

Abstract:
1. An electrosurgical device, comprising: a probe body; at least one electrode for applying a high-frequency current to a tissue; a cooling device including an evaporation region, the evaporation region being supplied with a fluid via an inlet to cool at least part of the probe body; an outlet to remove the fluid from the evaporation region; at least one dividing element that divides the evaporation region into at least one distal region and at least one proximal region, wherein the evaporation region is designed such that the relationship of the pressure between the proximal region and the distal region varies with an increasing pressure at the inlet; and a control device which adjusts the high-frequency current and which adjusts the inlet pressure at the inlet and/or outlet pressure at the outlet such that on application of the high-frequency current a prescribed heat distribution field is produced in the tissue, wherein the control device operates such that the inlet pressure is increased for a stronger cooling at the proximal region.