Abstract: A neurostimulation lead is configured to be implanted into a patient's body and has at least one distal electrode. The lead comprises at least one conductive filer electrically coupled to the distal electrode, a jacket for housing the conductive filer and a shield surrounding at least a portion of the filer for reducing electromagnetic coupling to the filer.

Abstract: A stimulation lead is configured to be implanted into a patient's body and includes at least one distal stimulation electrode and at least one conductive filer electrically coupled to the distal stimulation electrode. A jacket is provided for housing the conductive filer and providing a path distributed along at least a portion of the length of the lead for conducting induced RF energy from the filer to the patient's body.

Abstract: A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section capacitively coupled to the first section and configured to be electrically coupled to the patient's body.

Abstract: A medical lead is provided for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy. The lead comprises an elongate insulating body and at least one electrical conductor within the insulating body. The conductor has a proximal end configured to be electrically coupled to the pulse generator and has a DC resistance in the range of 375-2000 ohms. At least one distal electrode is coupled to the conductor.

Abstract: A neurostimulation lead is configured to be implanted into a patient's body and has at least one distal electrode. The lead comprises at least one conductive filer electrically coupled to the distal electrode, a jacket for housing the conductive filer and a shield surrounding at least a portion of the filer for reducing electromagnetic coupling to the filer.

Abstract: A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section capacitively coupled to the first section and configured to be electrically coupled to the patient's body.

Abstract: A medical lead is provided for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy. The lead comprises an elongate insulating body and at least one electrical conductor within the insulating body. The conductor has a proximal end configured to be electrically coupled to the pulse generator and has a DC resistance in the range of 375-2000 ohms. At least one distal electrode is coupled to the conductor.

Abstract: A stimulation lead to be implanted into a patient's body includes at least one distal stimulation electrode and at least one conductive filer electrically coupled to the distal stimulation electrode. A jacket houses the conductive filer and provides a path distributed along at least a portion of the length of the lead for conducting induced RF energy from the filer to the patient's body.

Abstract: A medical device known as a trial neuro stimulator with a diagnostics module to determine whether the therapy lead is operational for delivering stimulation therapy to improve operation in areas such as reliability and patient comfort is disclosed. The trial neuro stimulator is typically used to test the efficacy of neuro stimulation before implanting an implantable neuro stimulator in a patient. The trial neuro stimulator has a processor, memory, system reset, telemetry module, recharge module, power management module, power source, therapy module, therapy measurement module, and diagnostics module. The diagnostics module can be a lead sensor, a software detector using therapy lead measurements from the therapy measurement module, or, a combination of both the lead sensor and software detector to detect whether the therapy lead is operational. A method for diagnosing whether a therapy lead is operational is also disclosed.

Abstract: A pulse stimulation system configured for implantation into a patient's body comprises a pulse stimulator, a conductive stimulation lead having a proximal end electrically coupled to the pulse simulator and having a distal end, and an electrode assembly coupled to the distal end of the stimulation lead. The electrode assembly comprises an electrode body having a therapy electrode thereon that is electrically coupled to the stimulation lead for delivering therapy to the patient. A floating electrode is configured to contact the patient's body tissue and has a surface area substantially larger than that of the therapy electrode. A filter is coupled between the therapy electrode and the floating electrode for diverting RF energy toward the floating electrode and away from the therapy electrode.

Abstract: A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section electrically coupled to the first section and configured to be capacitively coupled to the patient's body.

Abstract: A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section capacitively coupled to the first section and configured to be electrically coupled to the patient's body.

Abstract: Apparatus and methods are disclosed for reducing the potentially harmful effects of electromagnetic waves on an implantable medical device. In one embodiment of the present invention, an implantable medical system comprising a dual threshold magnetic sensor capable of detecting an elevated magnetic field is disclosed. The sensor can comprise a solid-state sensor capable of detecting a static magnetic field in excess of about 1500 Gauss. The magnetic sensor can be operatively coupled to electronics that are capable of altering the operation of the system upon detection of an elevated magnetic field by the magnetic sensor.

Abstract: A neurostimulation lead is configured to be implanted into a patient's body and has at least one distal electrode. The lead comprises at least one conductive filer electrically coupled to the distal electrode, a jacket for housing the conductive filer and a shield surrounding at least a portion of the filer for reducing electromagnetic coupling to the filer.

Abstract: A stimulation lead is configured to be implanted into a patient's body and includes at least one distal stimulation electrode and at least one conductive filer electrically coupled to the distal stimulation electrode. A jacket is provided for housing the conductive filer and providing a path distributed along at least a portion of the length of the lead for conducting induced RF energy from the filer to the patient's body.

Abstract: An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.

Abstract: A pulse stimulation system configured for implantation into a patient's body comprises a pulse stimulator, a conductive stimulation lead having a proximal end electrically coupled to the pulse simulator and having a distal end, and an electrode assembly coupled to the distal end of the stimulation lead. The electrode assembly comprises an electrode body having a therapy electrode thereon that is electrically coupled to the stimulation lead for delivering therapy to the patient. A floating electrode is configured to contact the patient's body tissue and has a surface area substantially larger than that of the therapy electrode. A filter is coupled between the therapy electrode and the floating electrode for diverting RF energy toward the floating electrode and away from the therapy electrode.

Abstract: A medical lead is provided for use in a pulse stimulation system of the type which includes a pulse generator for producing electrical stimulation therapy. The lead comprises an elongate insulating body and at least one electrical conductor within the insulating body. The conductor has a proximal end configured to be electrically coupled to the pulse generator and has a DC resistance in the range of 375-2000 ohms. At least one distal electrode is coupled to the conductor.

Abstract: A lead configured to be implanted into a patient's body comprises a lead body and a conductive filer positioned within the lead body and having a distal portion. An electrode is electrically coupled to the lead body and comprises a stimulation portion, a bobbin, and at least one coil of wire wound on the bobbin and electrically coupled between the stimulation portion and the distal end region to form an inductor between the distal end region and the stimulation portion.

Abstract: An electrical lead includes an elongate body having a proximal end portion and a distal end portion, a first electrode disposed adjacent and joined to the distal end portion of the elongate body. Current flow within the first electrode is limited when a predetermined condition occurs, such as the generation of an electromagnetic field having a predetermined frequency range. The medical electrical lead may further comprise one or more second electrodes disposed adjacent the first electrode and joined to the elongate body to shunt current to body tissue when the predetermined condition occurs.