Patent ID: 8882764
Filing Date: 2014-11-11
Classification: A61B

Abstract:
1. An electrosurgical device, comprising: an elongate shaft having a proximal end and a distal end, at least a portion of said elongate shaft comprising an electrically conductive material; an intermediate spacer having a proximal end and a distal end, said intermediate spacer comprising an electrically insulating material, wherein said proximal end of said intermediate spacer is mechanically connected to said distal end of said elongate shaft; and a sharp tip comprising an electrically conductive material having a proximal end and a distal end, wherein said proximal end of said tip is mechanically connected to said distal end of said intermediate spacer, wherein said distal end of said sharp tip is configured to pierce cortical bone of a vertebral body, wherein said elongate shaft is electrically connected to a power supply via a first lead, wherein said sharp tip is connected to said power supply via a second lead, wherein said elongate shaft and said tip form a bipolar heating device, and wherein said bipolar heating device is configured to denervate an intraosseous nerve within a cancellous bone region of a vertebral body by transmission of radiofrequency energy to heat at least a portion of the cancellous bone region.