KATHETER

摘要

1. A catheter comprising at least one lumen, closed at the front end (3), for the local treatment of internal body structures, in particular stenoses, comprising at least one opening (11) in the catheter wall (7) which is arranged in a treatment section (B) at the front end (3) and which extends from the lumen (12) to the outer wall of the catheter (1), characterised in that an extendable and expandable part (8, 15) of the catheter (1) is arranged in the treatment section (B) of the catheter end (3), at least one electrically conductive zone which forms part of the extension of this part (8, 15) of the catheter being arranged on the outer surface of this part of the catheter, or this part (8, 15) of the catheter itself being electrically conductive in at least one zone.