PHOTOACTIVATED MOLECULES FOR LIGHT-INDUCED MODULATION OF THE ACTIVITY OF ELECTRICALLY EXCITABLE CELLS AND METHODS OF USING SAME
    11.
    发明申请
    PHOTOACTIVATED MOLECULES FOR LIGHT-INDUCED MODULATION OF THE ACTIVITY OF ELECTRICALLY EXCITABLE CELLS AND METHODS OF USING SAME 审中-公开
    用于光诱导电活化细胞活性的光诱导分子及其使用方法

    公开(公告)号:US20150328313A1

    公开(公告)日:2015-11-19

    申请号:US14650208

    申请日:2013-12-18

    Abstract: Methods and compositions modulate the activity of electrically excitable cells. Photovoltaic compounds which, upon exposure to light energy, increase or decrease the electrical activity of cells. These supplement and/or replace of vision based on the conversion of light energy to electrical energy within certain cells of the visual system. A “patch” or bridge to circumvent one or more defective, damaged, or diseased cells in the visual system. Additionally, in several embodiments, subjects with normal vision can benefit from the methods, compositions, systems, and/or devices disclosed herein as normal visual acuity can be heightened. The exposure induces an energy (e.g., a receipt of light energy, conversion to electrical energy, and passage of that electrical energy) from the photovoltaic compound to the cell, thereby altering the transmembrane potential of the cell and/or the opening of one or more ion channels, thereby modulating the activity of the electrically excitable cell.

    Abstract translation: 方法和组合物调节电可兴奋细胞的活性。 在暴露于光能下,增加或减少细胞的电活动的光伏化合物。 这些补充和/或替代视觉基于视觉系统的某些单元内的光能转换为电能。 用于规避视觉系统中一个或多个缺陷,损坏或病变细胞的“补丁”或桥梁。 另外,在几个实施例中,具有正常视力的受试者可以受益于本文公开的方法,组合物,系统和/或装置,因为可以提高正常视力。 曝光引起能量(例如,光能的接收,电能的转换和电能的传递)从光伏化合物到细胞,从而改变细胞的跨膜电位和/或开放一个或 更多的离子通道,从而调节电可激发细胞的活性。

    Liquid accommodating intraocular lens with an asymmetric chamber

    公开(公告)号:US12295831B2

    公开(公告)日:2025-05-13

    申请号:US18508702

    申请日:2023-11-14

    Abstract: An accommodating intraocular lens (IOL) is formed from an anterior or posterior half molded as a chambered, polymer sack with a mouth opening smaller than its largest width that is mated to another half molded as a pliable bowl having a rim larger than the rest of the half. The resulting shell has a seam that is parallel to and does not cross or touch the equator such that the IOL is asymmetric between its front and back. A circular depression around the optical axis can be made in the anterior and/or posterior half such that a surrounding capsular bag seals against the rim of the depression, and an interior of the depression(s) does not touch the capsular bag.

    Miniature fixed and adjustable flow restrictor for the body

    公开(公告)号:US11523939B2

    公开(公告)日:2022-12-13

    申请号:US16418899

    申请日:2019-05-21

    Abstract: A microfluidic flow restrictor that uses micron-sized beads to impede flow is described. The flow rate can be adjusted by adding or removing the beads using injection needles through self-sealing ports, one injection needle injecting or aspirating beads and another injection needle pushing or pulling fluid from outside of a bead trap within the flow restrictor. In alternative embodiments, the beads or other filler material can be trapped in a manifold bead trap such that they block a subset of fluid channels of the flow restrictor, allowing fluid to flow freely through the rest of the fluid channels. The flow restrictor can be integrated with a contact lens or implantable medical device for use in dispensing liquid therapeutic agents at flow rates of microliters per minute or moving body fluids at a controlled rate from one part of the body to another.

    Instruments and methods for the implantation of cell-seeded ultra-thin substrates

    公开(公告)号:US11478272B2

    公开(公告)日:2022-10-25

    申请号:US16280956

    申请日:2019-02-20

    Inventor: Mark S. Humayun

    Abstract: A surgical instrument, and methods for its use, is described that includes clamp heads that can be nestled within or extended from a tubular sheath by longitudinal movement of the clamp heads' tines with respect to the tubular sheath. One of the tines includes an arch that slides against a mouth and inside wall of the tubular sheath, causing the clamp heads to open or close. The clamp heads close lightly, to within a predetermined (or zero) distance from one another, gently grasp an ultrathin polymer substrate seeded with cells, and pulls it within the sheath such that the substrate curls and folds to protect the cells.

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