Thermal coagulation of tissue during tissue resection

A - Human Necessities – 61 – B

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A61B 18/18 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2532731

A coagulation system is provided for use in biological tissue. The coagulation system includes a handle, a radiofrequency (RF) generator, and an electrode array. The electrode array includes two or more pair of bipolar electrodes slideably coupled in channels of the handle. The bipolar electrodes electrically couple to the RF generator, and the electrode array is configured to deliver a balanced energy density in a target volume of the biological tissue. The balanced energy density delivered by the electrode array results in thermal coagulation necrosis of a rectangular volume of biological tissue.

L'invention porte sur un système de coagulation à utiliser dans les tissus biologiques. Ce système de coagulation comprend une poignée, un générateur de fréquence radio (R.F.), et un réseau d'électrodes. Ce réseau d'électrodes comporte au moins deux paires d'électrodes bipolaires reliées par coulissement dans des passages de la poignée. Les électrodes bipolaires sont électriquement reliées au générateur R.F., et le réseau d'électrodes est configuré de manière à fournir une densité d'énergie équilibrée dans un volume cible de tissus biologiques. Cette densité d'énergie équilibrée fournie au réseau d'électrodes permet une nécrose par coagulation thermique d'un volume rectangulaire de tissus biologiques.

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