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    • 1. 发明申请
    • RETRACTABLE INSTRUMENT HAVING A TWO STAGE PROTRACTION/RETRACTION SEQUENCE
    • 具有两个阶段提取/延迟序列的可退回的仪器
    • WO2010087873A2
    • 2010-08-05
    • PCT/US2009052419
    • 2009-07-31
    • SANFORD LPCHALLMAN ROBERT GARENAS JAIME
    • CHALLMAN ROBERT GARENAS JAIME
    • B43K5/17
    • B43K5/17B43K8/028
    • A retractable instrument in accordance with the disclosure advantageously has a simple construction and fewer pieces or sub-assemblies than known retractable instruments. The retractable instrument includes a barrel that encloses a tool holder. The tool holder has an extension, and a tool extending from the distal end of the extension. ? valve selectively covers the tool to protect the tool from environmental conditions. A biasing element is disposed between the valve and the tool holder, the biasing element biases the valve away from the tool holder. A movable closure assembly retains the valve on the extension and selectively allows the lid to open and close. The closure assembly includes a closure ring and a retention ring connected by one or more closure arms. The retention ring is disposed on the tool holder and the retention ring is prevented from sliding off of the tool holder by a retention stop.
    • 根据本公开的可伸缩器械有利地具有简单的结构,并且比已知的可伸缩器具更少的件或子组件。 伸缩式仪器包括一个包围工具架的筒体。 工具架具有延伸部和从延伸部的远端延伸的工具。 ? 阀选择性地覆盖工具以保护工具免受环境条件的影响。 偏置元件设置在阀和工具保持器之间,偏置元件将阀偏离刀架。 可移动闭合组件将阀保持在延伸部上并且选择性地允许盖打开和关闭。 闭合组件包括闭合环和通过一个或多个闭合臂连接的保持环。 保持环设置在工具架上,并且通过保持止动件防止保持环从工具架滑出。