Patent ID: 7037313

Claim:
An apparatus for the removal of build-up about an implanted catheter having an interior surface, an exterior surface and an open free end positioned within an individual's vascular system, the apparatus comprising: a delivery assembly storing a stripping coil, the delivery assembly including a guide structure guiding the stripping coil through the catheter to the free end of the catheter, the guide structure including a guide curve having a curved profile directing the stripping coil about the curved profile during deployment of the stripping coil; the stripping coil being formed of a shape memory material or super elastic material, and the stripping coil including a proximal first end maintained within the delivery assembly and a free distal second end, wherein the stripping coil is preformed to assume a predetermined shape with the free distal second end wrapping about the outer surface of the catheter in a manner to provide for the stripping of build-up from the outer surface of the catheter when the stripping coil is moved relative to the catheter.