Patent ID: 8229573

Claim:
A method of implanting an implantable stimulation device, the method comprising: implanting a portion of a lead having an electrode array near tissue to be stimulated; applying a force to an obstructing member of a lead anchor, the lead anchor comprising a body defining at least one first portion of a lead lumen, the body having a first opening and a second opening, the obstructing member defining a second portion of the lead lumen, a spring disposed in the body and configured and arranged to operate on the obstructing member so that the second portion of the lead lumen is coterminous with the at least one first portion of the lead lumen and forms a continuous lead path when the spring is compressed and the second portion of the lead lumen is offset from the at least one first portion of the lead lumen when the spring is not compressed, wherein applying a force to an obstructing member comprises rotating the obstructing member to compress the spring; placing a lead through the lead path; releasing the force on the obstructing member so that the lead path locks a portion of the lead with the lead anchor; securing the lead anchor to the surrounding tissue using sutures.