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发明授权
CN102178539B 具有指示器的安全血液收集组件 有权

具有指示器的安全血液收集组件
摘要：
本发明具有指示器的安全血液收集组件公开了一种针组件(30)。针组件包括壳体，该壳体具有闪流腔室(38)，并且具有远端(40)和近端(42)，该近端(42)与试样收集容器可接合。针组件包括插管(34)，该插管(34)具有病人端、非病人端及在病人端和非病人端之间延伸的侧壁(48)，该侧壁(48)限定插管内部(50)。插管的病人端至少部分地从壳体的远端(74)伸出，并且插管内部与闪流腔室流体连通。针组件还包括护套(36)，该护套(36)与壳体的一部分约束接合，并且能够在病人插管上从缩回位置到延伸位置沿轴向移动，在该缩回位置中，暴露病人端，在该延伸位置中，病人端由护套的至少一部分屏蔽，其中闪流腔室的至少一部分在缩回位置中是可见的。
摘要（英）：

A needle assembly is disclosed. The needle assembly includes a housing having a flash chamber, and having a distal end and a proximal end engageable with a specimen collection container. The assembly includes a cannula having a patient end, a non-patient end, and a sidewall extending therebetween defining a cannula interior. The patient end of the cannula projects at least partially from the distal end of the housing, and the cannula interior is in fluid communication with the flash chamber. The assembly further includes a shield restrainably engaged with a portion of the housing and axially transitionable over the patient cannula from a retracted position in which the patient end is exposed, to an extended position in which the patient end is shielded by at least a portion of the shield, wherein at least a portion of the flash chamber is visible in the retracted position.

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