An electrosurgical system is disclosed. The electrosurgical system includes an electrosurgical generator adapted to supply electrosurgical energy to tissue. The electrosurgical generator includes impedance sensing circuitry which measures impedance of tissue, a processor configured to determine whether...http://www.google.ca/patents/US20090157071?utm_source=gb-gplus-sharePatent US20090157071 - System and Method for Tissue Sealing
