A CATHETER-THROUGH-CATHETER ARRANGEMENT OF STIMULATING CATHETERS FOR PROVIDING PAIN CONTROL BY NERVE BLOCK AND NEUROMODULATION OF PERIPHERAL NERVES

摘要

Systems of providing pain control include multi-lumen neuromodulation assemblies with one or more catheters, each having proximal end and a distal end. A single-catheter system with integrated multiple lumens may have a first lumen terminating near the distal end of the catheter and a separate second lumen terminating proximally at a point spaced from the distal end of the first lumen. A catheter-in-catheter design utilizes a second catheter extending through and beyond the distal end of a first catheter to provide a lumen terminating at a point distal from the distal end of the first catheter. The proximal end of at least one lumen includes a connector configured to electrically interconnect an electrode at the distal end of that lumen with a nerve stimulator, such as an electrical pulse generator. At least one of the lumens is also configured to receive liquid medications.