Patent ID: 9719063
Date: 2017-08-01
CPC Classifications: B01L,C12M,G01N

Claim:
1. A system to separate a selected cell fraction from a sample volume, comprising: a container having a first wall extending from a first bottom wall to a an upper rim having an interior surface and an exterior surface; a collection section positioned near the upper rim and at least contacting the exterior surface of the first wall, the collection section having a second wall extending from a second bottom wall to the upper rim, and wherein the second bottom wall is nearer the upper rim than the first bottom wall; a lid assembly extending over both the container and the collection section; a sealing section operable to seal a collection volume within the collection section from a container volume in the container; a flexible section operable to allow the sealing section to move between an open position and a closed position; and a drive motor operable to rotate the container and the collection section simultaneously; wherein in the closed position the sealing section selectively seals the collection volume from the container volume; wherein at a selected spin rate the sealing section moves to the open position from the closed position.