A device for resection and/or ablation of organic tissue by means of high-frequency current comprises, at the distal end, a loop that can be acted upon by high-frequency voltage and, in the proximal direction from the loop, at least one helix that can likewise be acted upon by high-frequency voltage,...http://www.google.ca/patents/US20080009855?utm_source=gb-gplus-sharePatent US20080009855 - Device For Resection And/Or Ablation Of Organic Tissue By Means Of High-Frequency Current
