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Implantable stimulation lead and method of manufacture

  • US 6,477,427 B1
  • Filed: 03/31/2000
  • Issued: 11/05/2002
  • Est. Priority Date: 03/31/2000
  • Status: Expired due to Fees
First Claim
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1. 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.

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