Retinal prosthesis with a new configuration
    11.
    发明申请
    Retinal prosthesis with a new configuration 有权
    视网膜假体具有新配置

    公开(公告)号:US20070055336A1

    公开(公告)日:2007-03-08

    申请号:US11523965

    申请日:2006-09-19

    IPC分类号: A61N1/04

    摘要: Polymer materials are useful as electrode array bodies for neural stimulation. They are particularly useful for retinal stimulation to create artificial vision, cochlear stimulation to create artificial hearing, and cortical stimulation, and many related purposes. The pressure applied against the retina, or other neural tissue, by an electrode array is critical. Too little pressure causes increased electrical resistance, along with electric field dispersion. Too much pressure may block blood flow. Common flexible circuit fabrication techniques generally require that a flexible circuit electrode array be made flat. Since neural tissue is almost never flat, a flat array will necessarily apply uneven pressure. Further, the edges of a flexible circuit polymer array may be sharp and cut the delicate neural tissue. By applying the right amount of heat to a completed array, a curve can be induced. With a thermoplastic polymer it may be further advantageous to repeatedly heat the flexible circuit in multiple molds, each with a decreasing radius. Further, it is advantageous to add material along the edges. It is further advantageous to provide a fold or twist in the flexible circuit array. Additional material may be added inside and outside the fold to promote a good seal with tissue.

    摘要翻译: 聚合物材料可用作神经刺激的电极阵列体。 它们特别有用于视网膜刺激以产生人造视觉,耳蜗刺激以产生人造听觉和皮质刺激以及许多相关目的。 通过电极阵列对视网膜或其他神经组织施加的压力是至关重要的。 太小的压力会导致电阻增加以及电场分散。 太大的压力可能会阻止血液流动。 通常的柔性电路制造技术通常需要使柔性电路电极阵列平坦。 由于神经组织几乎从不平坦,平面阵列必然会施加不均匀的压力。 此外,柔性电路聚合物阵列的边缘可以是尖锐的并切割精细的神经组织。 通过将适量的热应用于完整的阵列,可以引起曲线。 对于热塑性聚合物,可以进一步有利的是在多个模具中反复加热柔性电路,每个模具具有减小的半径。 此外,沿着边缘添加材料是有利的。 在柔性电路阵列中提供折叠或扭曲是更有利的。 可以在折叠内部和外部添加附加材料以促进与组织的良好密封。

    Flexible circuit electrode array
    13.
    发明授权

    公开(公告)号:US10667404B2

    公开(公告)日:2020-05-26

    申请号:US11926046

    申请日:2007-10-28

    IPC分类号: A61N1/05 H05K3/00 A61N1/36

    摘要: Polymer materials are useful as electrode array bodies for neural stimulation. They are particularly useful for retinal stimulation to create artificial vision, cochlear stimulation to create artificial hearing, or cortical stimulation many purposes. The pressure applied against the retina, or other neural tissue, by an electrode array is critical. Too little pressure causes increased electrical resistance, along with electric field dispersion. Too much pressure may block blood flow. Common flexible circuit fabrication techniques generally require that a flexible circuit electrode array be made flat. Since neural tissue is almost never flat, a flat array will necessarily apply uneven pressure. Further, the edges of a flexible circuit polymer array may be sharp and cut the delicate neural tissue. By applying the right amount of heat to a completed array, a curve can be induced. With a thermoplastic polymer it may be further advantageous to repeatedly heat the flexible circuit in multiple molds, each with a decreasing radius. Further, it is advantageous to add material along the edges. It is further advantageous to provide a fold or twist in the flexible circuit array. Additional material may be added inside and outside the fold to promote a good seal with tissue.

    Retinal prosthesis
    15.
    发明授权
    Retinal prosthesis 有权
    视网膜假体

    公开(公告)号:US07894909B2

    公开(公告)日:2011-02-22

    申请号:US11880009

    申请日:2007-07-19

    IPC分类号: A61N1/18

    CPC分类号: A61N1/0543 A61N1/36046

    摘要: A retinal prosthesis with an improved configuration by mounting necessary components within and surrounding the eye. The improved configuration better allows for the implantation of electronics within the delicate eye structure and further limits the necessary width of a thin film conductor passing through the sclera by use of a multiplexer external to the sclera and a demultiplexer internal to the sclera.

    摘要翻译: 通过在眼睛内和周围安装必要的组件,具有改进的构造的视网膜假体。 改进的构造更好地允许在精细眼睛结构内植入电子元件,并且通过使用巩膜外部的多路复用器和在巩膜内部的解复用器进一步限制穿过巩膜的薄膜导体的必要宽度。

    Retinal prosthesis
    18.
    发明申请
    Retinal prosthesis 有权
    视网膜假体

    公开(公告)号:US20070270919A1

    公开(公告)日:2007-11-22

    申请号:US11880009

    申请日:2007-07-19

    IPC分类号: A61N1/05

    CPC分类号: A61N1/0543 A61N1/36046

    摘要: The invention is a retinal prosthesis with an improved configuration mounting necessary components within and surrounding the eye. The present invention better allows for the implantation of electronics within the delicate eye structure. The invention further limits the necessary width of a thin film conductor passing through the sclera by use of a multiplexer external to the sclera and a demultiplexer internal to the sclera.

    摘要翻译: 本发明是具有改进的构造的视网膜假体,其将眼睛内部和周围的必要部件安装。 本发明更好地允许在精细的眼睛结构内植入电子装置。 本发明通过使用巩膜外部的多路复用器和巩膜内部的解复用器进一步限制穿过巩膜的薄膜导体的必要宽度。

    Flexible circuit electrode array
    20.
    发明申请

    公开(公告)号:US20060247754A1

    公开(公告)日:2006-11-02

    申请号:US11207644

    申请日:2005-08-19

    IPC分类号: A61N1/05

    摘要: Polymer materials are useful as electrode array bodies for neural stimulation. They are particularly useful for retinal stimulation to create artificial vision, cochlear stimulation to create artificial hearing, or cortical stimulation many purposes. The pressure applied against the retina, or other neural tissue, by an electrode array is critical. Too little pressure causes increased electrical resistance, along with electric field dispersion. Too much pressure may block blood flow. Common flexible circuit fabrication techniques generally require that a flexible circuit electrode array be made flat. Since neural tissue is almost never flat, a flat array will necessarily apply uneven pressure. Further, the edges of a flexible circuit polymer array may be sharp and cut the delicate neural tissue. By applying the right amount of heat to a completed array, a curve can be induced. With a thermoplastic polymer it may be further advantageous to repeatedly heat the flexible circuit in multiple molds, each with a decreasing radius. Further, it is advantageous to add material along the edges. It is further advantageous to provide a fold or twist in the flexible circuit array. Additional material may be added inside and outside the fold to promote a good seal with tissue.