Fluid transfer assembly with a junction having multiple fluid pathways

A fluid transfer assembly, comprising:

• a unitary junction having an upstream portion and a downstream portion, the unitary junction including walls defining a plurality of curved fluid pathways between the upstream portion and the downstream portion, each of the curved fluid pathways defining a central axis, the walls defining each curved fluid pathway comprising a linear first section, a curved second section, and a linear third section disposed between the first section and the third section, the second section defining a segment of the central axis having a smooth curve along a length thereof, the second section having a length along the central axis greater than a diameter of the curved fluid pathway;
• at least one flexible fluid conduit sealed to the junction in fluid communication with at least one of the plurality of curved fluid pathways;
• and
• at least one vessel connected to the at least one flexible fluid conduit,
• wherein at least one of the upstream portion and the downstream portion comprises a plurality of male inserts respectively corresponding with the plurality of fluid pathways, the plurality of male inserts for insertion into the at least one fluid conduit to facilitate fluid communication.

A method of manufacturing a fluid transfer assembly, comprising:

• forming sequential layers of material using an additive manufacturing device to form a unitary junction having an upstream portion and a downstream portion, the unitary junction defining a plurality of curved fluid pathways between the upstream portion and the downstream portion, each of the curved fluid pathways defining a central axis, the central axis comprising a linear first segment, a curved second segment, and a linear third segment, the second segment disposed between the first and third segments, the second segment of the central axis deviating from a straight line to device a smooth curve, a linear projection of the first segment intersecting a projection of the third segment outside of the respective curved fluid pathway or the first and third segments being parallel to one another, wherein at least one of the upstream portion and the downstream portion comprises a plurality of male inserts respectively corresponding with the plurality of fluid pathways;
• inserting at least one of the plurality of male inserts into a lumen of a flexible fluid conduit;
• and
• securing the flexible fluid conduit to the junction.

A method for fluid transfer through a unitary junction, comprising:

• providing a fluid to a first vessel connected to an upstream portion of the unitary junction, the upstream portion having a connection assembly for engaging a connector of the first vessel;
• transferring the fluid through one or more curved fluid pathways of a plurality of fluid pathways defined through the unitary junction, each of the curved fluid pathways defining a central axis, the central axis comprising a linear first segment, a curved second segment, and a linear third segment, the second segment disposed between the first and third segments, the second segment of the central axis deviating from a straight line to define a smooth curve, a linear projection of the first segment intersecting a linear projection of the third segment outside of the respective curved fluid pathway or the first and third segments being parallel to one another;
• and
• receiving the fluid in a second vessel in communication with a downstream end of the unitary junction through a flexible conduit.