US Patent 7276208 Sample carrier having sample tube blocking member

A sample carrier comprising a lower support wall, a base joined to or in fixed proximity to a bottom end of the lower support wall, and sample tube receiving areas in fixed proximity to the lower support wall for receiving and holding a plurality of sample tubes in substantially vertical orientations. The sample carrier further comprising a blocking wall joined to a top end of the support wall which extends laterally over portions of sample tubes held by the sample carrier, thereby limiting vertical movement of the sample tubes during automated sampling procedures. The contents of sample tubes held by the sample carrier can be accessed by a robotic pipetting device. Additionally, a drip shield comprising a cover plate, a pair of through-holes for accessing sample tubes held by a the sample carrier, and a depending runner for maintaining the sample carrier on a sample carousel.