| abstract |
A kit for excising a tissue lesion comprising: one or more incision blades (1605); and a tissue resection mechanism (1100) including, an outer tube (1105) having a helical coil (1110) disposed at a distal end, the coil including a first electrode (1130); a core tube (1200) having a distal edge profile including one or more surface segments, at least one of the surface segments including a second electrode (1205), said core tube being slidably disposed within said outer tube and being positioned such that the second electrode opposes at least a portion of the first electrode; a cutting tube (1300) including a cutting edge slidably disposed within said central tube, said cutting tube configured to advance to at least one segment of the coil. |