Abstract: An invention for connecting an extracorporeal circulation apparatus 35 to the patients' circulatory system 26B for providing extracorporeal blood circulation through a plurality of transfixions 44 in a tissue 25 space apart by a distance, comprising: a holder 10; and the plurality of ducts 14 connected to said holder 10; wherein said holder 10 is adapted to connect to the extracorporeal circulation apparatus 35; wherein at least one of said plurality of ducts 14 is adapted to connect to the patients' circulatory system 26B; wherein said holder 10 and said plurality of ducts 14 includes blood passageways 3. The invention including an internal connection 33 including a proximal portion 33A and a distal portion 33B; wherein said distal portion 33B is adapted to connect to the patients' circulatory system 26B; wherein said proximal portion 33A is connectable to said ducts 14. The methods are provided.