An implantable lead having a body defining an uneven outer surface and a wire carried by the outer surface to form convolutions arranged so that portions of each convolution are displaced from the outer surface. The body may include a hollow core which carries beads so that stretching in the...http://www.google.fr/patents/US5702437?utm_source=gb-gplus-shareBrevet US5702437 - Implantable lead with wires carried by body
