An ablation catheter including a shaft supporting one or more partially or completely exposed braided electrodes that may be positioned against a target tissue to ablate the tissue. The shaft may be precurved in a loop-like shape or any other shape to assist in positioning the electrode against a target...http://www.google.co.uk/patents/US7819866?utm_source=gb-gplus-sharePatent US7819866 - Ablation catheter and electrode
