Patent ID: 6477427
Filing Date: 2002-11-05
Classification: A61N

Abstract:
An implantable lead having a distal end, a proximal end and a body, comprising in combination:(A) a flexible tubing member along an outside portion of the lead; (B) a coil member running along a central lumen portion of the lead, the coil having at least a first portion having a first pitch and at least a second portion having a second pitch; (C) at least two wire members forming the coil member, each wire member having a filar at a distal end that extends from the coil member, wherein the first pitch and second pitch are predetermined to allow the filars to be substantially collinear at a predetermined distance therebetween independent of wire member width and number; and (D) at least one contact sleeve positioned over an impression of the flexible tubing member and having an opening for receipt of the filar, the opening having a weld point coupling the filar to the contact sleeve.