Figure 1: A. Permaloc® Mapping Electrode proposed to determine optimal stimulation sites on the bladder wall. B. Permaloc® Intramuscular Electrode for chronic implantation. A modification is shown for moving the polypropylene barb 6 mm to expose the entire stainless steel stimulating surface. C. Implantable Permaloc® Multi-Lead-Cable with connectors for connection to five Permaloc® intramuscular electrodes; engineering drawings from Synapse Biomedical, Inc.