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    • 2. 发明申请
    • System and method for choosing electrodes in an implanted stimulator device
    • 用于在植入的刺激器装置中选择电极的系统和方法
    • US20060195159A1
    • 2006-08-31
    • US11295168
    • 2005-12-05
    • Kerry BradleyLjubomir ManolaJan Holsheimer
    • Kerry BradleyLjubomir ManolaJan Holsheimer
    • A61N1/18
    • A61N1/36135A61N1/36132A61N1/36185
    • A method of selecting of subset of electrodes in a stimulator device implanted in a patient for further clinical evaluation is disclosed. In one embodiment, the method comprises measuring at least first and second measurement for each of the plurality of electrodes that are indicative of the ability of the electrode if activated to provide useful therapy to the patient in which the stimulator device is implanted, such as electrode impedance, field potential, and nerve response. The measurements can be objective such as those measurements just mentioned, or can comprise subjective measurements which are quantified in response to qualitative feedback from the patient. A weight is then determined for each of the measurements, which may be a predetermined weight or determined on the basis of the variance of the measurement between the electrodes. The weight is then applied to each electrode measurement, which measurement may be normalized, and the weighted measurements for each electrode are preferably summed to arrive at a value which itself is indicative of a particular electrode's ability to provide useful therapy to the patient. These values can then be used to determine a subset of the electrodes useful for further clinical evaluation in the patient, which improved the accuracy and speeding determining appropriate patient therapy.
    • 公开了一种在植入患者中的刺激器装置中选择电极子集的方法,用于进一步的临床评价。 在一个实施例中,该方法包括测量多个电极中的每个电极的至少第一和第二测量,其指示如果被激活的电极的能力为其中植入刺激器装置的患者提供有用的治疗,例如电极 阻抗,场电位和神经反应。 测量可以是客观的,例如刚刚提到的那些测量,或者可以包括根据来自患者的定性反馈量化的主观测量。 然后为每个测量确定权重,其可以是预定权重,或者基于电极之间的测量方差来确定。 然后将重量施加到每个电极测量,该测量可以被归一化,并且优选地将每个电极的加权测量相加以得到其本身指示特定电极向患者提供有用治疗的能力的值。 然后可以使用这些值来确定用于患者进一步临床评估的电极子集,这提高了准确性并加快了确定适当的患者治疗。
    • 5. 发明授权
    • System and method for using impedance to determine proximity and orientation of segmented electrodes
    • 使用阻抗来确定分段电极的接近和取向的系统和方法
    • US09511229B2
    • 2016-12-06
    • US13533532
    • 2012-06-26
    • Kerry Bradley
    • Kerry Bradley
    • A61N1/36A61N1/05A61B5/053A61N1/08A61B5/06
    • A61N1/08A61B5/0538A61B5/06A61B5/068A61N1/0551A61N1/36125A61N1/36182A61N1/37217A61N1/37241A61N1/3787
    • A method for implanting a neurostimulation lead within a patient includes measuring impedances of electrodes on the lead in order to correctly position the lead relative to a target tissue region. The electrodes are circumferentially segmented electrodes that are spaced from each other about the longitudinal axis of the lead. When the difference between the impedances of the electrodes exceeds a threshold value, the lead is in the correct position. In accordance with another embodiment, impedance measurements are used to select which one of the electrodes is closest to the target tissue region. By determining which electrode has the highest impedance and which electrode has the lowest impedance, the type of tissue adjacent to each electrode can be determined based on the conductivity properties of the tissue. The target tissue region may be a spinal cord, a posterior longitudinal ligament, white matter, or gray matter.
    • 用于在患者体内植入神经刺激引线的方法包括测量引线上的电极的阻抗,以便使引线相对于目标组织区域正确定位。 电极是周向分段的电极,其围绕导线的纵向轴线彼此间隔开。 当电极的阻抗差超过阈值时,引线处于正确的位置。 根据另一个实施例,使用阻抗测量来选择哪个电极最靠近目标组织区域。 通过确定哪个电极具有最高阻抗并且哪个电极具有最低的阻抗,可以基于组织的电导率特性来确定与每个电极相邻的组织的类型。 目标组织区域可以是脊髓,后纵韧带,白质或灰质。
    • 8. 发明授权
    • System and method for electrical modulation of the posterior Longitudinal ligament
    • 后纵韧带电调制系统及方法
    • US08923974B2
    • 2014-12-30
    • US13469880
    • 2012-05-11
    • Kerry Bradley
    • Kerry Bradley
    • A61N1/00A61N1/05A61N1/36
    • A61N1/0551A61N1/36071
    • A method for treating a patient having discogenic pain includes implanting a neurostimulation lead within an anterior portion of the epidural space adjacent to the posterior longitudinal ligament. A plurality of electrodes is attached to the lead and the lead is implanted with at least a portion of the electrodes facing the posterior longitudinal ligament. The lead may be implanted in the lumbar region of the patient's spine, posterior and parallel to the posterior longitudinal ligament. Electrical stimulation energy applied to the patient through the electrode lead implanted in this manner inhibits the pain signals traveling within the posterior longitudinal ligament. Thus, the applied electrical stimulation energy has an anesthetic effect on the pain fibers adjacent to the posterior longitudinal ligament.
    • 用于治疗具有椎间性疼痛的患者的方法包括将神经刺激引线植入在与后纵韧带相邻的硬膜外腔的前部中。 多个电极附接到引线,并且引线被注入,电极的至少一部分面向后纵向韧带。 铅可以植入患者脊柱的腰部区域,后部并且平行于后纵韧带。 通过以这种方式植入的电极引线施加到患者的电刺激能量抑制在后纵韧带内行进的疼痛信号。 因此,所施加的电刺激能量对与后纵韧带相邻的疼痛纤维具有麻醉作用。