摘要:
The disclosure is directed to a method for implanting a medical device proximate to a target tissue site within an occipital region of a patient, such as proximate to an occipital nerve or a trigeminal nerve. The method comprises introducing an implant tool into a patient to define an insertion path to the target tissue site. The implant tool includes a shape memory cannula and a malleable needle at least partially disposed within an inner lumen of the cannula. The shape of the needle may be changed to accommodate different anatomical structures/features of the patient. Upon withdrawal of the needle from the cannula, the cannula may change shape, thereby changing the shape of the insertion path.
摘要:
A method includes obtaining a baseline value for an indicator of infection in proximity to an implantable medical device and monitoring the indicator of infection in proximity to the device. The method further includes determining whether the monitored indicator is indicative of infection in proximity to the device. The determination as to whether the monitored indicator is indicative of infection includes comparing a value associated with the monitored indicator to the baseline value.
摘要:
A method includes monitoring an indicator of infection in proximity to an implanted active therapy delivering medical device and providing information regarding the monitored indicator to the implanted medical device. The method further includes determining whether the information regarding the monitored indicator is indicative of infection in proximity to the implanted medical device.
摘要:
Methods for monitoring an infection in proximity to an implantable medical device include monitoring a first indicator of infection in proximity to a medical device implanted in a patient; monitoring a second patient parameter; and determining whether the combination of the first indicator and the second parameter are indicative of infection in proximity to the implanted device. If a determination is made that the combination of the first indicator and the second parameter are indicative of infection, an alert may be issued.
摘要:
The invention is directed to techniques for providing electrical stimulation to the prostate gland of a patient. In particular, various techniques are described for providing such stimulation in order to treat sexual dysfunction, benign prostatic hyperplasia (BPH), or other disorders. In some embodiments, the stimulation may be provided to the prostate gland to cause erection or ejaculation in order to treat various sexual dysfunctions. In other embodiments, the stimulation may comprise a training sequence of pulses selected to train and modify the cellular structure of the prostate gland in order to treat BPH or similar prostate disorders.
摘要:
In general, the disclosure is directed to an implantable neurostimulator and system capable of providing adaptive neurostimulation therapy to alleviate incontinence. The neurostimulator operates according to a set of stimulation parameters stored in memory. During operation, information is obtained from the patient, the implanted neurostimulator, one or more implanted sensors, or some combination thereof. A processor analyzes the information to automatically generate proposed adjustments to the stimulation parameters applied by the neurostimulator. The adjustments provide an adaptive neurostimulation therapy that supports or enhances therapeutic efficacy based on the information.
摘要:
A method for implanting one or more implantable medical leads of an electrical stimulation system proximate to an occipital region of a patient comprises utilizing a needle to define an insertion path through tissue of the patient to a target tissue site. The insertion path may be dilated to a size large enough to receive an implantable medical lead. An electrical test signal may be delivered to the patient via the needle, a guide wire or a dilator assembly during the implantation procedure in order to assess the efficacy of stimulation prior to implantation of the lead and/or to establish the location of the needle, guide wire and/or dilator assembly within the patient.
摘要:
An implantable medical electrical lead particularly for stimulation of the sacral nerves comprises a lead body extending between a distal end and a proximal end, and the distal end having at least one electrode of an electrode array extending longitudinally from the distal end toward the proximal end. The lead body at its proximal end may be coupled to a pulse generator, additional intermediate wiring, or other stimulation device. A fixation mechanism is formed on or integrally with the lead body proximal to the electrode array that is adapted to be implanted in and engage subcutaneous tissue, particularly muscle tissue, to inhibit axial movement of the lead body and dislodgement of the stimulation electrodes. The fixation mechanism comprises a M tine elements arrayed in a tine element array along a segment of the lead proximal to the stimulation electrode array. Each tine element comprises at least N flexible, pliant, tines, each tine having a tine width and thickness and extending through a tine length from an attached tine end to a free tine end. The attached tine end is attached to the lead body from a tine attachment site and supports the tine extending outwardly of the lead body and proximally toward the lead proximal end. The M×N tines are adapted to be folded inward against the lead body when fitted into and constrained by the lumen of an introducer such that the tine free ends of more distal tines of more distal tine elements are urged toward or alongside the attached tine ends of the adjacent more proximal tines of more proximal tine elements, and the folded tines do not overlap one another.
摘要:
An implantable medical elongated member, such as a lead or catheter, includes an integrated fixation mechanism that expands upon implantation of the elongated member to fix the elongated member relative to a target tissue site, such as tissue within the epidural region proximate the spine or the sacral foramen or subcutaneous tissue proximate to an occipital or other peripheral nerve. The fixation mechanism may include a plurality of wire-like elements, which may be configured in a substantial helical shape. The wire-like elements may be formed from an elastic or super-elastic material, and expand radially outward when a restraint mechanism is removed following implantation of the elongated member.
摘要:
The disclosure is directed to securing electrodes of a medical lead adjacent to a target tissue site. The medical lead may include one or more threaded fixation structures disposed circumferentially about the outer surface of the lead body, or elongated member, that resembles a “screw” or “auger.” During implantation, a clinician may rotate the entire lead to “screw” the lead into the tissue of the patient until electrodes of the lead reside adjacent to a target tissue. In this manner, the threaded fixation structure secures the lead within the patient to resist lead migration and improper therapy and provide a fine adjustment for depth of placement. The threaded fixation structure may be disposed on a portion of the lead proximal to or distal to the electrodes of the lead or over the portion of the lead that includes the electrodes.