Set of units for a device integrated in an extracorporeal blood circuit

An integrated device for an extracorporeal blood circuit, the device comprising three units that are constituted by a cardiotomy reservoir, an oxygenation unit and a selected one of a venous reservoir and a venous bag, wherein:

• the cardiotomy reservoir comprises connecting means;
• the venous reservoir comprises complementary connecting means that are shaped complementary to said connecting means of the cardiotomy reservoir;
• the venous bag comprises complementary connecting means thereof that are shaped complementary to said connecting means of said cardiotomy reservoir;
• and
• a tube is provided which protrudes from the cardiotomy reservoir and is adapted to selectively connect to the venous reservoir or to the venous bag;
• wherein:
• said venous bag comprises a rigid supporting base thereof and said venous reservoir comprises a lid and an outer enclosure,
• said complementary connecting means of the venous reservoir comprises a top ring and a bottom ring that are monolithically connected to said lid and, respectively, to said outer enclosure thereof, and
• said complementary connecting means of the venous bag comprises a top ring and a bottom ring that are monolithically connected to said rigid base,
• the rings of the venous reservoir being respectively identical to the rings of the venous bag;
• and wherein:
• said cardiotomy reservoir comprises a lid and a bottom,
• said connecting means of the cardiotomy reservoir comprises two cylindrical portions which protrude, respectively, from said lid and from said bottom and are adapted to enter and lock selectively within said identical rings forming the complementary connecting means of the venous reservoir or bag;
• whereby the integrated device has a configuration selectively including either said cardiotomy reservoir, oxygenation unit and venous reservoir or said cardiotomy reservoir, oxygenation unit and said venous bag.