Ablation technology for catheter based delivery systems

A - Human Necessities – 61 – B

Patent

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A61B 5/05 (2006.01) A61B 18/14 (2006.01)

Patent

CA 2473730

A catheter based delivery system (100) may be used for both therapeutic and diagnostic applications. The catheter based delivery system includes a catheter having a distal end.(3) The distal end of the catheter includes several electrodes (1, 2) that can emit a radio frequency waveform, and may receive a signal representative of an impedance of material in the exposed to the radio frequency waveform. The radio frequency waveform may also be applied to ablate specifically targeted material exposed to the radio frequency waveform. The several electrodes may be configured as an antenna.

L'invention concerne un système d'injection par cathéter (100) pouvant être utilisé dans des applications thérapeutiques et diagnostiques. Ce système d'injection par cathéter comprend un cathéter pourvu d'une extrémité distale (3). Cette extrémité distale comprend plusieurs électrodes (1, 2) qui peuvent émettre une forme d'onde radioélectrique et recevoir un signal représentatif d'une impédance d'un matériau exposé à la forme d'onde radioélectrique. Cette forme d'onde radioélectrique peut également servir à ablater un matériau spécifiquement ciblé exposé à la forme d'onde radioélectrique. Les différentes électrodes peuvent se présenter sous la forme d'une antenne.

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