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Invention Grant
US08998851B2 Compact spring inserter for drug deliver infusion set 有权
紧凑弹簧插入器，用于药物输送输液器

Compact spring inserter for drug deliver infusion set
Abstract:
An infusion set (201) includes a base (221) and a flexible catheter (242) movable from a first catheter position disposed substantially entirely within the base (221) to a second catheter position in which a free end of the catheter (242) is disposed externally of the base (221). An introducer needle (234) is located within the catheter (242) and is movable between a first introducer needle position disposed substantially entirely within the base (221) and a second introducer needle position in which a free end of the introducer needle (234) is disposed externally of the base (221). A torsion spring (281) is activated to move the catheter (242) from the first to the second catheter position and the introducer needle (234) from the first to the second introducer needle position to facilitate insertion of the catheter (242). The introducer needle (234) is thereafter moved by the torsion spring (281) back to the first introducer needle position to store the introducer needle (234) within the base (221) with the free end of the catheter (242) remaining disposed externally of the base (221).
Abstract(Chinese):

输液器（201）包括基部（221）和可从基本上完全设置在基座（221）内的第一导管位置移动到第二导管位置的柔性导管（242），其中导管（242）的自由端 设置在基座（221）的外部。 引导器针（234）位于导管（242）内，并且可在基本上完全设置在基座（221）内的第一引导器针位置和第二导引针位置之间移动，其中导引针（234）的自由端 设置在基座（221）的外部。 扭转弹簧（281）被启动以使导管（242）从第一导管位置和导引器针头（234）从第一导引器针位置移动到第二导引器针位置，以便于插入导管（242）。 导引针（234）此后由扭力弹簧（281）移动回第一导引针位置，以将引导器针（234）存储在基座（221）内，导管（242）的自由端保持在外部 的基座（221）。

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