Patent ID: 6056725
Filing Date: 2000-05-02
Classification: A61M

Abstract:
A catheter system for delivering indomethacin to a selected site within a hippocampus or lateral ventricle, comprising:a pump;a source of indomethacin in fluid communication with the pump; anda catheter coupled to the pump, the catheter having a distal and a proximal end, the catheter having a first tubular portion and a second tubular portion, the first tubular portion having an internal diameter and being made from an impermeable material and having a first tubular portion lumen, the first tubular portion having a proximal and a distal end, the second tubular portion having a second tubular portion lumen and an open end and a closed end, the open end disposed within the first tubular portion lumen at the distal end of the first tubular portion, the second tubular portion having a closed end disposed distally of the distal end of the first tubular portion, the second tubular portion being made of a porous material having a preselected microporosity that permits indomethacin to flow through the second tubular portion lumen and out of the catheter through the second tubular portion into the hippocampus or lateral ventricle.