#$%^&*AU2014253458A120150521.pdf#####ABSTRACT A sheath includes an elongate tube, which has an outer wall that surrounds an inner lumen and has multiple holes along the tube penetrating the outer wall. Multiple electrically-conducting elements are inserted in the respective holes, so as to allow transmission of electrical current between the inner lumen and an exterior of the outer wall.2/5 120 FIG. 2 100 130 105 A 110)110 120 f 1 10 S 110 , 05 -125 1101- 105- M 110 L ON A - - - - - - - - - - - -