Abstract: An implantable stimulation system including an epidural lead for spinal cord stimulation that includes a paddle having an array of electrodes coupled to conductors within the lead body. The paddle includes score lines that extend along the length and width of either the front or back facets of the paddle portion. The score lines increase the flexibility of the paddle in both the length and width directions which facilitate the implantation of the paddle within the epidural space of the spinal cord, and further permits the paddle to conform more uniformly to the target area of implantation to minimize the gap between the electrodes and targeted fibers.

Abstract: The present application relates to a new stimulation design which can be utilized to treat neurological conditions. The stimulation system produces a burst mode stimulation which alters the neuronal activity of the predetermined site, thereby treating the neurological condition or disorder. The burst stimulus comprises a plurality of groups of spike pulses having a maximum inter-spike interval of 100 milliseconds. The burst stimulus is separated by a substantially quiescent period of time between the plurality of groups of spike pulses. This inter-group interval may comprise a minimum of 5 seconds.

Abstract: In one embodiment, a method for defining a stimulation program for electrical stimulation of a patient, the method comprising: providing a single screen user interface that comprises a first plurality of controls and a second plurality of controls, the first plurality of controls allowing selection of multiple stimulation parameters for a plurality of stimulation sets, the second plurality of controls allowing selection of multiple stimulation parameters defining burst stimulation and tonic stimulation; receiving user input in one or more of the second plurality of controls; and automatically modifying parameters for one or more stimulation sets in response to receiving the user input in one or more of the second plurality of controls and modifying values displayed in one or more controls of the first plurality of controls according to the modified parameters, the modified parameters reflecting a stimulation program that includes an interleaved pattern of burst stimulation and tonic stimulation for delivery t

Abstract: The present invention relates to a method of identifying a target such as within the subgenual area by measuring neuronal activity in response to a stimulus. Once the target is identified, it can be stimulated to treat a neurological disorder, such as a mood disorder or an anxiety disorder.

Abstract: In one embodiment, a method for the controlling of the stimulation pulses being delivered via electrodes to a patient during the programming of a pulse generator using a controller device and selecting of a minimum amplitude that corresponds to the minimum amplitude for which the patient can detect stimulation; selecting an electrode combination defined in the controller device; setting the stimulation amplitude; making a determination of the amplitude for the stimulation pulses is greater than the perception amplitude, and if so, changing the amplitude of the stimulation pulses to be less than or equal to the perception amplitude; and if not or subsequent to the changing of the amplitude, changing the selected one of a plurality of electrode combinations to a different combination.

Abstract: In one embodiment, an implantable stimulation lead for delivering electrical stimulation to tissue of a patient, the implantable stimulation lead comprises: a lead body comprising a plurality of wires strands that form a solid helical hollow tube that is maintained by mutual contact pressure of neighboring wire strands, wherein the plurality of wire strands comprise an outer coating of non-conductive material to electrically isolate each of the plurality of wire strands from each other; and a plurality of electrodes with each electrode being electrically coupled to one of the plurality of wire strands.

Abstract: There is disclosed various embodiments of an implantable anchor for anchoring a medical lead within a patient. The implantable anchor includes a body having at least one lumen for receiving a medical lead, a cam integrated with the body and rotatable to extend into the lumen for engaging the medical lead and inhibiting the movement of the lead with respect to the anchor. The cam may include a handle for facilitating the rotation of the cam. A needle could be connected to the handle to facilitate the securing of the anchor to a portion of the patient.

Abstract: According to one aspect, a stimulation system is provided for electrically stimulating a predetermined site to treat a neurological condition. The system includes an electrical stimulation lead adapted for implantation in communication with a predetermined site, wherein the site is brain tissue site. The stimulation lead includes one or more stimulation electrodes adapted to be positioned in the predetermined site. The system also includes a stimulation source that generates the stimulation pulses for transmission to the one or more stimulation electrodes of the stimulation lead to deliver the stimulation pulses to the predetermined site to treat a neurological disorder or condition.

Abstract: In one embodiment, a paddle-style lead for implantation in the epidural space through an insertion tool, the paddle-style lead comprises: a paddle structure that comprises: (i) a frame of rigid material, the frame comprising a spring member adapted to bias the frame to assume a first width and a first length, the frame being adapted to elongate to assume a second width and a second length under application of a compressive force; and (ii) elastic material disposed across an interior surface area defined the frame, wherein a plurality of electrodes and a plurality of electrical traces are provided on the elastic material, wherein the plurality of electrical traces are electrically coupled to a plurality of lead conductors and the plurality of electrodes; wherein the plurality of electrical traces comprises a plurality of alternating curves that elongate when the elastic material is stretched.

Abstract: In one embodiment, an external charging device for recharging an implanted medical device, comprises: a battery for powering the external charging device; a coil for radiating RF power; drive circuitry for driving the coil according to a duty cycle; circuitry for generating a signal that is indicative of an amount of current flowing through the coil; and control circuitry for controlling the drive circuitry, wherein the control circuitry is operable to process the signal from the circuitry for generating to detect when a coil of the implantable medical device temporarily ceases absorbing RF power, the control circuitry modifying the duty cycle in response to detection of the coil of the implantable medical device temporarily ceasing absorbing RF power.

Abstract: In one embodiment, a method, of operating an implantable medical device, comprises: (i) operating reset logic within the implantable medical device that is independently operable from a processor of the implantable medical device after the implantable medical device is implanted within a patient, wherein the processor is adapted for central control of the implantable medical device; (ii) operating a magnetic field sensor in the implantable medical device; (iii) generating digital data using, at least, the magnetic field sensor; (iv) detecting, by the reset logic, a digital key in the digital data; (v) in response to (iv), asserting a reset signal on a pin of the processor by the reset logic; and (vi) conducting reset operations in the processor in response to the reset signal.

Abstract: In one embodiment, a method of fabricating an implantable stimulation paddle comprises: providing a sheet of conductive material coupled to a first insulative layer; laser removing portions of the conductive material to form a pattern of conductive material, the pattern of conductive material including a plurality of isolated metal traces; providing a second insulative layer over the pattern of conductive material so that the pattern of conductive material is interposed between the first and second insulative layers; and exposing portions of the metal traces to form electrodes on the paddle for delivering electrical stimulation.

Abstract: In one embodiment, there is disclosed a lead locking mechanism for use in a header component of an implantable pulse generator. In certain embodiments, the lead locking mechanism comprises a first locking member positioned to engage a surface of at least two leads; a second locking member positioned to also engage a surface of at least two leads, and a coupling member coupling the first locking member to the second locking member.

Abstract: In some embodiments, a paddle lead is implanted within a patient such that the electrodes are positioned within the cervical or thoracic spinal levels. An electrode combination on a first row of electrodes can be determined that is effective for a first pain location with minimal effects on other regions of the body. The first pain location can be addressed by stimulating a first dorsal column fiber due to the relatively fine electrical field resolution achievable by the multiple columns. Then, another electrode combination on a second row of electrodes can be determined for a second pain location with minimal effects on other regions. The second pain location could be addressed by stimulating a second dorsal column fiber. After the determination of the appropriate electrodes for stimulation, the patient's IPG can be programmed to deliver pulses using the first and second rows according to the determined electrode combinations.

Abstract: A system and/or method treating for a neurological disorder by brain region stimulation. The system and/or method comprises a probe and a device to provide stimulation. The probe has a stimulation portion implanted in communication with a predetermined brain region site. The stimulation portion of the probe may be implanted in contact with a predetermined brain region.

Abstract: Disclosed are systems and methods which provide voltage conversion in increments less than integer multiples of a power supply (e.g., battery) voltage. A representative embodiment provides power supply voltage multipliers in a binary ladder distribution to provide a desired number of output voltage steps using a relatively uncomplicated circuit design. By using different sources in various combinations and/or by “stacking” different sources in various ways, the voltage multiplier circuit may be used to provide desired voltages. In order to minimize the number of components used in a voltage converter of an embodiment, a capacitive voltage converter circuit uses one or more storage capacitors in place of pump capacitors in a voltage generation cycle. Also, certain embodiments do not operate to generate an output voltage until the time that voltage is needed.

Abstract: An implantable medical device that includes a header a cavity or connector bore that extends from an opening at a first end of the header towards a second end of the header. The cavity is configured to receive a first end of a stimulation lead. The header includes a lead insertion indicator positioned at the second end of the cavity for engaging with the stimulation upon complete insertion into the header. The lead insertion indicator is operable between a first operating state and a second operating state, such that when the stimulation lead is not engaged with the lead insertion indicator, the lead insertion indicator operates in the first operating state, and when the stimulation lead properly engages the lead insertion indicator, the lead insertion indicator operates in the second operating state. The lead insertion indicator generates a signal that indicates the corresponding operating state.

Abstract: The present application involves a method and a system for using electrical stimulation and/or chemical stimulation to treat depression. More particularly, the method comprises surgically implanting an electrical stimulation lead and/or catheter that is in communication with a predetermined site which is coupled to a signal generator and/or infusion pump that release either an electrical signal and/or a pharmaceutical resulting in stimulation of the predetermined site thereby treating the mood and/or anxiety.

Abstract: The present description relates to cranial nerve stimulation to treat a neurological disorder. More particularly, and not by way of limitation, the present invention is directed to a system and method for stimulating a cranial nerve to treat a neurological disorder, such as tinnitus or an anxiety disorder.

Abstract: Nerve cuff electrode including a tubular body having a longitudinal slit and a flap curled over the slit. The tubular body includes a central cathode disposed between two anodes. The region opposite the slit includes a flexible region that determines the flexibility and strength of tube opening and closing. The cuff electrode having a hinge region with a non-linear effective spring constant which can be higher at low cuff openings and lower at large opening to provide an effective yet non-damaging closing force over a wide range of cuff openings. In use, the tube body can be pulled apart using attached suture loops, with one loop and flap pulled under the nerve followed by part of the tubular body. The tubular body can be closed over the nerve and the flap closed over the tube slit.