B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 47/36 (2006.01) B01L 3/14 (2006.01) B65D 51/00 (2006.01)
Patent
CA 2125811
The present invention provides for a cap for sealing a biological sample tube for use in an automated analyzer. The cap comprises a skirt portion forming the side wall of the cap and having thread members on the interior surface of the side wall, the skirt portion having an open top with an inwardly extending rim. The cap also includes a top portion of a flexible elastomeric material sealed to the skirt portion through engagement with the inwardly extending rim and closing off the open top of the skirt portion. The flexible elastomeric material is selected to permit puncture by a needle or probe such that the hole formed by the puncture of the needle or probe permits passing of the needle or the probe therethrough and reseals after removal of the needle or probe. In a preferred embodiment, the top portion also includes an upwardly extending sealing surface near the periphery of the top portion. The sealing surface defines a cavity to the interior thereof which may be sealed against the external environment when the sealing surface contacts a planar surface. The present invention also provides for a sample tube for use in automated sample accessioning equipment and automated clinical analyzers. The sample tube has generally cylindrical side wall with an open top and bottom and thread members provided on the exterior of the side wall near the top. The tube further has a cone- shaped sample holding divider located in the interior of the tube intermediate the top and bottom. The cone-shaped sample holding divider has an angular measurement to allow for a relatively small sample volume to be utilized such that a sample probe will be able to pick up the proper analysis volume from such relatively small sample volume.
Dennison Associates
Samco Scientific Inc.
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