Patent ID: 7270650
Filing Date: 2007-09-18
Classification: A61M

Abstract:
1. An implantable anchor system for an elongate implantable catheter used in intracranial delivery of therapeutic substances to a patient, the anchor system comprising: an anchor for mounting the catheter to the outer surface of the skull of the patient, the anchor including: a body formed of generally flexible, elastomeric material that is adapted to flex and comply with adjacent tissue, the body having: a through hole for receiving the catheter and orienting the catheter relative to the parenchyma, a channel, extending substantially from the through hole in a direction generally perpendicular to the through hole, into which a portion of the catheter may be inserted to retain the portion substantially parallel to the surface of the skull, wherein the channel is open along a slot formed in a top portion thereof through which the portion of the catheter may be inserted into the channel; and at least one flange for engaging the outer surface of the skull, the flange including opposite major surfaces; and at least one substantially rigid standoff mounted in the flange, the standoff including an opening and the standoff being exposed through the opposite major surfaces of the flange; and a bone screw extending through the opening of the standoff for fastening the anchor to a surface of the skull.