Patent ID: 7559911

Claim:
A blood chamber comprising a container body for blood having a plurality of connection ports for fluid communication with outside the container body, each of the plurality of connection ports comprising a tubular mouth configured to be coupled to an end zone of a tube, wherein: each tubular mouth is made in a single piece with the container body; at least one of the tubular mouths is provided with an insert having a surface configured to receive in a fluid-proof sealed coupling the end zone of the tube; and the insert has at least one first tubular part covering at least a part of an internal surface of the tubular mouth, said at least one first tubular part being configured to be interposed between the internal surface of the tubular mouth and the end zone of the tube, wherein said tubular mouth has an internal surface with at least a first transversal section and at least a second transversal section, the first transversal section being, with reference to the container body. more external than the second transversal section, the more external first transversal section having a larger diameter than a diameter of the internal second transversal section.