Patent ID: 7896877

Claim:
A device comprising an electrosurgical system for morcellating tissue within a body cavity of a patient, the system comprising: an electrosurgical generator, a morcellating device, and a tissue-pulling device, the morcellating device comprising: a tube having a distal end, a bipolar electrosurgical electrode assembly including first and second electrodes located at the distal end of the tube and separated one from the other by an insulation member, and first and second connections by which the first and second electrodes are connected to the electrosurgical generator, the tissue-pulling device being locatable within the tube, and including a third connection by which the tissue-pulling device is connected to the electrosurgical generator so that the tissue-pulling device is an additional electrode, the electrosurgical generator supplying an electrosurgical cutting voltage to the electrode assembly, such that when the tissue-pulling device is moved to pull tissue against the distal end of the tube, the electrosurgical cutting voltage supplied to the bipolar electrosurgical electrode assembly and/or tissue pulling device severs the tissue to form a core of tissue within the tube, which can then be further moved in order to remove the severed tissue from the body cavity of the patient.