The electrosurgical systems and methods are particularly useful for removing tissue or ligaments from a patient's joint, such as the patellar ligament...http://www.google.com/patents/US6391025?utm_source=gb-gplus-sharePatent US6391025 - Electrosurgical scalpel and methods for tissue cuttingAdvanced Patent SearchPublication numberUS6391025 B1Publication typeGrantApplication numberUS 09/041,934Publi