Medtronic, Inc.

Chrit W Dreessen

Karel F Smits

Werner Saggau

Hormoz Mehmanesh

Pierre Andre Grandjean

Antoine N Camps

Victor P Duysens

Paulus G Adams

Paul Adams

Paul A Gubbels

Michael W Polz

Paulus A Gubbels

Temporary medical electrical lead

A system and method for providing electrical and/or fluid treatment within a patient's brain, the system and method utilizing a feedthrough assembly made of a compressible material, and a disk-like pinch-on part, or resilient clamping part, which is secured around the feedthrough assembly to provide radially inward compressive force to reliably fix the lead after it has been positioned relative to the patient's skull. The feedthrough assembly is suitably made of a compressible biocompatible material such as silicone rubber, and has a annular receiving groove which is located so that it is accessible above the cranium after the feedthrough assembly is fixed within a burr hole in the patient's head. The pinch-on part, or clamping means is manufactured in a normally closed position, but can be opened, as by use of a forceps-type instrument, for positioning around the assembly annular groove. The anchored lead or catheter member is operatively connected to an implantable pulse generator or fluid pump, or both, to provide a system for treatment within the patient's brain.

System and method for providing electrical and/or fluid treatment within

A temporary atrial defibrillation lead featuring a polytetraflouroethylene ('TEFLON') felt pad in which three parallel stainless steel defibrillation wire electrodes are mounted. The pad contains holes which expose the electrode wires in a discontinuous fashion. The three electrode wires are merged into one polyurethane insulated lead body, proximal to the pad. At the proximal end of the lead body a stainless steel connector pin with break away needle are mounted, for percutaneous exteriorization of the lead pin, in an area separated from the surgical incision. The break away needle can be broken off to make the connector pin suitable to patient cable connection. The polytetraflouroethylene ('TEFLON') pad is permanently implanted on the atria and remains implanted after removal of the temporary electrode sections. The temporary electrode sections may be removed by gently pulling them at their proximal end.

A temporary atrial defibrillation lead featuring a polytetraflouroethylene ('TEFLON') felt pad in which three parallel stainless steel defibrillation wire electrodes are mounted. The pad contains holes which expose the electrode wires in a discontinuous fashion. The three electrode wires are merged into one polyurethane insulated lead body, proximal to the pad. At the proximal end of the lead body a stainless steel connector pin with break away needle are mounted, for percutaneous exteriorization of the lead pin, in an area separated from the surgical incision. The break away needle can be broken off to make the connector pin suitable to patient cable connection. The (polytetraflouroethylene ('TEFLON') pad is permanently implanted on the atria and remains implanted after removal of the temporary electrode sections. The temporary electrode sections may be removed by gently pulling them at their proximal end.

A system for anchoring a lead within a cranial burr hole. The system provides for a lead to be anchored in either of two sizes of burr holes. In further provides for the lead to remain secured to the stereotactic instrument during the installation of the lead anchoring system. The lead anchoring system consists of three parts: A plug having a central lead passage; a cap configured to fit over the plug while the lead is retained by the stereotactic instrument and thereby seal the burr hole and anchor the lead; and a socket designed to permit the plug to be fitted within a larger sized burr hole. In the preferred embodiment each of the parts, i.e. plug, socket and cap are constructed from silicone. The anchoring system of the present invention may be employed with a stimulation lead, a sensing lead, a combination thereof or any other elongated member requiring passage and fixation through the cranium.

Brain lead anchoring system

An intramuscular lead for the electrical stimulation of muscle tissue. The improved lead has a needle connected to a strand of suture, a coiled conductor coupled to the strand by a tapered section of the coiled conductor, an insulative cover covers part of the coiled conductor, and a terminal connector coupled to the coiled conductor provides a connection to a pulse generator. Through such a construction the lead may be more readily introduced through muscle tissue.

Growing community of inventors

Stein, Netherlands

Chrit W Dreessen