A system for facilitating the placement of a catheter within the human body, in a lumen or vessel such as the fallopian tubes, and controlling the catheter after placement. The system coordinates the operation of treatment electrodes on the catheter with informative displays and prompts to an operator,...http://www.google.co.uk/patents/US7582085?utm_source=gb-gplus-sharePatent US7582085 - Catheter placement detection system and operator interface
