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    • 11. 发明申请
    • Blood collection assembly
    • 采血装置
    • US20050267412A1
    • 2005-12-01
    • US11194870
    • 2005-08-01
    • Bradley WilkinsonKirk Swenson
    • Bradley WilkinsonKirk Swenson
    • A61B5/145A61M5/32A61M5/00
    • A61B5/150656A61B5/15003A61B5/150389A61B5/150519A61B5/150564A61B5/150587A61B5/150717A61B5/150732A61B5/15074A61B5/153A61M5/3275A61M2005/325
    • A low cost shieldable safety needle assembly. The assembly includes a needle cannula and a tip guard axially movable along the needle cannula through a drive mechanism. The drive mechanism may be interconnected between the tip guard and the needle cannula through a hub. The tip guard is axially movable along the needle cannula from a proximal position substantially adjacent a proximal end of the needle cannula at the hub, to a distal position in which the tip guard protectively surrounds the distal end of the needle cannula, thus effectively shielding the puncture tip of the needle. The drive mechanism is a unitary structure which is capable of maintaining a first self-supporting shape for maintaining the tip guard in the proximal position and is deflectable from the first self-supporting shape to a second extended shape in which the tip guard is moved to the distal position. The drive mechanism may be a rigid flexible planar sheet material which includes a plurality of folds for defining the self-supporting shape. The needle assembly may include structure for mating with a hypodermic syringe, a blood collection set, or other medical device.
    • 低成本可屏蔽安全针组件。 该组件包括针管和通过驱动机构沿针套管轴向移动的尖端护套。 驱动机构可以通过轮毂在尖端护套和针套管之间互连。 尖端保护件可以沿着针管从基本上邻近针套管在轮毂处的近端的近端位置轴向移动到远侧位置,在该位置,尖端保护器保护性地围绕针管的远端,从而有效地屏蔽 针刺针尖。 驱动机构是一体的结构,其能够保持第一自支撑形状,用于将尖端保护件保持在近侧位置,并且可从第一自支撑形状偏转到第二延伸形状,其中尖端保护件移动到 远端位置。 驱动机构可以是刚性柔性平面片材,其包括用于限定自支撑形状的多个折痕。 针组件可以包括用于与皮下注射器,血液收集器或其他医疗装置配合的结构。