摘要 |
A biological specimen filter (12) for use in a biological specimen collection and transfer system having a vacuum source, the filter comprising a tubular body (22) having an exterior surface, an interior chamber, a first end (28) configured to couple to the vacuum source, and a second end (26) having an opening in communication with the chamber, and a fluid trap (32) extending around at least a portion of a circumference of the exterior surface of the tubular body and sized and shaped to catch fluid (30) flowing along the exterior surface as the tubular body is inverted from a first position, in which the opening is submerged in a fluid source, to a second position, in which the opening is removed from the fluid source. |