| Patent Number |
Title Of Patent |
Date Issued |
| 7553309 |
Electrosurgical system employing multiple electrodes and method thereof |
June 30, 2009 |
| A system and method for heat ablation of tissue in which energy is sequentially applied to at least two electrodes inserted into tissue. The system is comprised of a radiofrequency (RF) source for supplying RF energy, at least two electrodes configured to apply RF energy to tissue, a |
| 7396336 |
Switched resonant ultrasonic power amplifier system |
July 8, 2008 |
| A switched resonant power amplifier system for ultrasonic transducers is disclosed. The system includes an amplifier that receives and processes a driver output signal for generating a drive signal that is provided to an ultrasonic device for controlling output of the ultrasonic device. |
| 7282049 |
Electrosurgical system employing multiple electrodes and method thereof |
October 16, 2007 |
| A system for heat ablation of tissue in a patient comprises a plurality of electrodes operatively connected to a source of radiofrequency energy and configured to apply RF energy to tissue at a patient site, a plurality of RF current restricting circuits, each circuit coupled between one |