Density phase separation device

摘要

A mechanical separator for separating a fluid sample into first and second phases within a collection container is disclosed. The mechanical separator may have a separator body having a through-hole defined therein, with the through-hole adapted for allowing fluid to pass therethrough. The separator body includes a float, having a first density, and a ballast, having a second density greater than the first density. A portion of the float is connected to a portion of the ballast. Optionally, the float may include a first extended tab adjacent a first opening of the through-hole and a second extended tab adjacent the second opening of the through-hole. In certain configurations, the separator body also includes an extended tab band disposed about an outer surface of the float. The separator body may also include an engagement band circumferentially disposed about at least a portion of the separator body.

主权项

1. A separation assembly for enabling separation of a fluid sample into first and second phases, comprising:
a collection container having a first end, a second end, and a sidewall extending therebetween, the collection container defining a longitudinal axis between the first end and the second end; and a mechanical separator comprising a separator body having a through-hole defined therein, and at least one sealing perimeter, the separator body adapted to transition from a first initial position in which the through-hole is oriented in an open position for allowing fluid to pass therethrough, to a second sealing position in which the through-hole is oriented in a closed position for preventing fluid from being received therethrough, upon applied centrifugal force, wherein, in the second position, the at least one sealing perimeter sealingly engages a portion of the sidewall of the collection container to prevent fluid from passing between the separator and the sidewall and to prevent fluid from passing through the through-hole, wherein at least a portion of the through-hole is oriented along the longitudinal axis of the collection container in the first initial position, and wherein at least a portion of the through-hole is oriented perpendicular to the longitudinal axis of the collection container in the second sealing position.