Device for agitating and for taking samples of blood products from tubes which are grouped together in racks

A device for agitating and taking samples of blood products from tubes which are closed by stoppers and grouped together in a rack, comprising:

• a rack support adapted for holding at least one rack;
• at least one rack held by said rack support and including means for holding a plurality of the tubes, each of the tubes being held in a selected position;
• a sampling station including means for withdrawing a sample of a blood product from a tube at said sampling station;
• gripping means for taking hold and withdrawing from said rack one of said tubes at a selected position, bringing one of said tubes from said selected position to said sampling station and from said sampling station to said selected position without agitation, and replacing said one of said tubes to said selected position;
• drive means for displacing the gripping means;
• and
• means for agitating said rack support and said at least one rack, said means for agitating being operable during operation of said means for bringing and means for withdrawing.