Implantable lead attachment structure for nerve stimulation to relieve bladder dysfunction and other symptoms

摘要

Provided herein are anchoring devices and methods for attaching an implantable lead of a neural stimulation system to a target location within a patient. Such anchoring device comprises a helical body having a plurality of tines extending laterally outwardly from a conductor that, when deployed, engages tissue and prevents axial movement of the implantable conductor. Including. The plurality of tines are biased toward the laterally extended deployment configuration and fold inward toward the lead to a delivery configuration that facilitates delivery of the lead through the sheath. The tines may be angled proximally or both proximally and distally and may include various features to aid in the visualization and delivery of the conductors. The anchor may be formed according to various methods, including laser cutting of the tubular section, along with heat or reflow and injection molding to cure the material with the anchor in the deployed configuration.