#$%^&*AU2017213481A120170831.pdf#####CATHETER WITH DEPTH ELECTRODE FOR DUAL-PURPOSE USE ABSTRACT A catheter assembly (10) for intracranial treatment of a patient for facilitating concurrent electrical sensing and fluid flow is provided and includes an outer flexible tube (12) having a proximal end (22), a principal lumen (14) extending therealong to the proximal end, and at least one radial aperture (16) through the wall communicating with the lumen as well as a secondary lumen (18) adjacent to the tube outer-wall surface (20) and extending therealong. The catheter assembly including a depth electrode (24) within the secondary lumen, extending along the length thereof. The depth electrode having electrical contacts (26) exposed to brain tissue along the flexible tube.
