Patent ID: 7357800
Filing Date: 2008-04-15
Classification: A61B

Abstract:
1. An apparatus for use with a probe including a plurality of probe energy transmission devices and a return device that is positionable in spaced relation to the probe, the apparatus comprising: a power supply; a power return line; a return device connector associated with the power return line and configured to be connected to the return device; a probe connector configured to be operably connected to the probe energy transmission devices; and a controller operable in a combined bipolar/unipolar mode where the controller connects a first probe energy transmission device to the power supply and a second probe energy transmission device to the power return line such that a portion of power supplied to the first probe energy transmission device is returned to the power return line through the second probe energy transmission device and a portion of power supplied to the first probe energy transmission device is also returned to the power return line through the return device and the return device connector, monitors a tissue coagulation variable as power is supplied to the first probe energy transmission device, and disconnects the second probe energy transmission device from the power return line while maintaining the supply of power to the first probe energy transmission device in response to a measurement of a predetermined tissue coagulation variable value.