A method and apparatus are disclosed for providing forward fluid delivery through an electrosurgical device, while avoiding coring when energy is delivered to the electrosurgical device. The device has a distal face defining an opening, with the distal face including at least one cutting portion and at least one non-cutting portion. An embodiment of the electrosurgical device for puncturing tissue includes an elongate member defining a lumen for receiving a fluid; a distal face defining at least one aperture; and the distal face including at least one cutting portion and at least one non-cutting portion cooperating to produce an elongated cut in a tissue when electrical energy is delivered to the distal face while avoiding coring of the tissue.
申请公布号
CA2941953(A1)
申请公布日期
2015.09.17
申请号
CA20142941953
申请日期
2014.09.17
申请人
BAYLIS MEDICAL COMPANY INC.
发明人
DAVIES, GARETH;URBANSKI, JOHN PAUL;HARFIELD, ELLEN;MIRZA, MAHMOOD;UHM, YUN;LEUNG, LINUS