A neurosurgical catheter (1) is described that comprises a fine tube (2) for insertion into the brain parenchyma of a patient. The catheter comprises a port or ports at its distal end for delivery of a therapeutic agent to a desired brain target. The fine tube (2) has an external diameter of not more than 1.0mm. The catheter further comprises a connector tube (3) and a hub (4) that is disposed between the fine tube (2) and the connector tube (3). The hub (4) comprises one or more flanges (6) by which it can be secured to the skull of a patient.
