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    • 9. 发明专利
    • Injection apparatus
    • 注射装置
    • JP2008062088A
    • 2008-03-21
    • JP2007303264
    • 2007-11-22
    • Insite Vision Incインサイト・ビジョン・インコーポレイテッド
    • HECKER KARL ICLARK LESLIE APFEIFFER JAMES FBOWMAN LYLE M
    • A61M5/14A61F9/007A61M3/04A61M5/145A61M5/32A61M5/34A61M5/46A61M25/04
    • A61F9/007A61M5/32A61M5/46A61M25/04A61M2005/341
    • PROBLEM TO BE SOLVED: To provide an apparatus for injecting an agent into a tissue, particularly into a thin tissue such as the sclera of the eye and reducing the risk of penetrating the full thickness of the tissue by effectively embedding a needle into the tissue at a predetermined penetration approach angle and penetration distance. SOLUTION: The injection apparatus comprises a support element and a need guide platform disposed at the support element. The needle guide platform has an external support surface and a channel extending therethrough and terminating in an aperture at the support surface. The needle disposed in the channel is axially movable along an axis of injection through the channel. The needle is movable from a first retracted position to an extended position corresponding to the penetration distance. In one aspect, the needle has a side wall defining an outlet in the needle such that when the agent is injected into the tissue through the outlet it is in an orientation toward one of first and second surfaces of the tissue. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于将药剂注射到组织中的装置,特别是在薄组织如眼睛的巩膜中,并且通过有效地将针插入到组织中来降低穿透组织全部厚度的风险 组织以预定的穿透接近角度和穿透距离。 解决方案:注射装置包括支撑元件和设置在支撑元件处的需要引导平台。 针导向平台具有外部支撑表面和延伸穿过其中并且终止于支撑表面的孔中的通道。 设置在通道中的针沿着通过通道的注射轴可轴向移动。 针可以从第一缩回位置移动到对应于穿透距离的延伸位置。 在一个方面,针具有在针中限定出口的侧壁,使得当药剂通过出口注入组织时,其朝向组织的第一和第二表面之一的方向。 版权所有(C)2008,JPO&INPIT