Retinal prosthesis with a new configuration
    55.
    发明授权
    Retinal prosthesis with a new configuration 有权
    视网膜假体具有新配置

    公开(公告)号:US08078284B2

    公开(公告)日:2011-12-13

    申请号:US11523965

    申请日:2006-09-19

    Abstract: 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.

    Abstract translation: 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。

    Biocompatible electroplated interconnection bonding method and electronics package suitable for implantation
    58.
    发明申请
    Biocompatible electroplated interconnection bonding method and electronics package suitable for implantation 有权
    生物相容性电镀互连接合方法和电子封装适合植入

    公开(公告)号:US20080319493A1

    公开(公告)日:2008-12-25

    申请号:US11821327

    申请日:2007-06-21

    Abstract: The invention is directed to a method of bonding a hermetically sealed electronics package to an electrode or a flexible circuit and the resulting electronics package that is suitable for implantation in living tissue, such as for a retinal or cortical electrode array to enable restoration of sight to certain non-sighted individuals. The hermetically sealed electronics package is directly bonded to the flex circuit or electrode by electroplating a biocompatible material, such as platinum or gold, effectively forming a plated rivet-shaped connection, which bonds the flex circuit to the electronics package. The resulting electronic device is biocompatible and is suitable for long-term implantation in living tissue. The present invention is directed to a device comprising a substrate containing at least one contact, a flexible assembly containing at least one pad, and electroplated bonding between said contact and said pad that bonds said substrate and said flexible assembly together. The present invention is directed to a method of bonding for implantation a substrate to a flexible assembly, said method comprising the steps of: aligning said substrate and said flexible assembly, whereby there is a common alignment for a contact on said substrate and contact pads on said flexible assembly, and electroplating bonding between said contacts and said pads, thereby bonding said flexible assembly to said substrate.

    Abstract translation: 本发明涉及一种将气密密封的电子封装结合到电极或柔性电路的方法,以及所得的电子封装,其适于植入生物组织,例如用于视网膜或皮层电极阵列,以使视力恢复到 某些非目标人士。 电气密封的电子封装通过电镀生物相容性材料(例如铂或金)直接结合到柔性电路或电极上,有效地形成电镀铆钉形连接,其将柔性电路连接到电子封装。 所得到的电子装置是生物相容的并且适合长期植入生物体组织。 本发明涉及一种装置,其包括含有至少一个接触件的基板,包含至少一个焊盘的柔性组件以及在所述接触件和所述焊盘之间的电镀接合,将所述基板和所述柔性组件接合在一起。 本发明涉及一种用于将衬底植入到柔性组件中的接合方法,所述方法包括以下步骤:对准所述衬底和所述柔性组件,由此存在用于所述衬底上的接触和所述衬底上的接触焊盘的共同对准 所述柔性组件,以及所述触头和所述焊盘之间的电镀接合,从而将所述柔性组件粘合到所述衬底上。

    Retinal Prosthesis with a New Configuration
    59.
    发明申请
    Retinal Prosthesis with a New Configuration 有权
    具有新配置的视网膜假体

    公开(公告)号:US20080275527A1

    公开(公告)日:2008-11-06

    申请号:US11924696

    申请日:2007-10-26

    Abstract: 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.

    Abstract translation: 聚合物材料可用作用于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。

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