Blood sampling device for small-volume sample collection through peripheral intravenous catheter

Provided herein is a blood sampling device having a tube having a proximal end, a distal end, and a sidewall defining an interior between the proximal end and the distal end, the interior configured to: receive a blood sample through one or more openings located at the distal end of the tube when the distal end of the tube is positioned in a blood vessel; the obturator is slidably disposed relative to the tube and received within the interior of the tube. 本文提供了一种采血装置，该采血装置具有管和阻塞器，该管具有近端、远端和在该近端与该远端之间界定内部的侧壁，该内部被配置为：当该管的该远端定位在血管中时，通过位于该管的该远端处的一个或多个开口接收血液样本；该阻塞器能够相对于该管滑动设置，并且被接容纳在该管的内部内。