Working fluid treatment device for mass transfer between a working fluid and two fluid exchange media

A working fluid treatment device for mass transfer between a working fluid and a first fluid exchange medium, and for mass transfer between the same working fluid and a second fluid exchange medium different from the first fluid exchange medium, wherein the working fluid treatment device comprises:

• a collective first fluid exchange medium inlet that admits the first fluid exchange medium into the working fluid treatment device;
• a collective second fluid exchange medium inlet that is fluidly separate from the first fluid exchange medium inlet, and that admits the second fluid exchange medium into the working fluid treatment device;
• and
• an integrated working fluid treatment chamber, wherein the chamber includes
• a working fluid inlet;
• a working fluid outlet;
• a first conduit group of first mass transfer conduits disposed between the working fluid inlet and the working fluid outlet, the first conduit group having an entry end that receives the first fluid exchange medium into the first conduit group;
• and an exit end that discharges spent first fluid exchange medium from the first conduit group, wherein the first conduit group performs mass transfer of a first substance with the working fluid when the first fluid exchange medium flows through the first conduit group;
• and
• a second conduit group of second mass transfer conduits disposed between the working fluid inlet and the working fluid outlet, the second conduit group having an entry end that receives the second fluid exchange medium into the second conduit group;
• and an exit end for discharging spent second fluid exchange medium from the second conduit group, wherein the second conduit group performs mass transfer of a second substance with the working fluid when the second fluid exchange medium flows through the second conduit group;
• wherein the first fluid exchange medium inlet is connected to the entry end of the first conduit group in order to collectively convey the first fluid exchange medium into all of the first mass transfer conduits of the first conduit group;
• the second fluid exchange medium inlet is connected to the entry end of the second conduit group in order to collectively convey the second fluid exchange medium into all of the second mass transfer conduits of the second conduit group;
• the first conduit group and the second conduit group are arranged in the chamber in-between the working fluid inlet and the working fluid outlet so that the working fluid, when travelling from the working fluid inlet into the chamber and then through the chamber and then out of the chamber via the working fluid outlet, flows around the first conduit group of first mass transfer conduits and the second conduit group of second mass transfer conduits;
• the working fluid being subjected to mass transfer by both the first conduit group and the second conduit group during a single pass of the working fluid through the chamber;
• there is a homogeneous conduit distribution throughout the entire volume of the chamber so that the working fluid flow cross section remains constant throughout the chamber;
• the first fluid exchange medium and the first mass transfer conduits of the first conduit group are adapted to oxygenate, decarbonate, or oxygenate and decarbonate the working fluid;
• the second fluid exchange medium and the second mass transfer conduits of the second conduit group are adapted to add to or remove from the working fluid one or more further substances other than oxygen, carbon dioxide, or oxygen and carbon dioxide;
• and
• the working fluid treatment device is configured to operate with the first fluid exchange medium as a liquid or as a gas, and the working fluid treatment device is configured to operate with the second fluid exchange medium as a liquid or as a gas.

A working fluid treatment device for mass transfer between a working fluid and a first fluid exchange medium, and for mass transfer between the same working fluid and a second fluid exchange medium different from the first fluid exchange medium, wherein the working fluid treatment device comprises:

• a collective first fluid exchange medium inlet that admits the first fluid exchange medium into the working fluid treatment device;
• a collective second fluid exchange medium inlet that is fluidly separate from the first fluid exchange medium inlet, and that admits the second fluid exchange medium into the working fluid treatment device;
• and
• an integrated working fluid treatment chamber, wherein the chamber includes
• a working fluid inlet;
• a working fluid outlet;
• a first conduit group of first mass transfer conduits disposed between the working fluid inlet and the working fluid outlet, the first conduit group having an entry end that receives the first fluid exchange medium into the first conduit group;
• and an exit end that discharges spent first fluid exchange medium from the first conduit group, wherein the first conduit group performs mass transfer of a first substance with the working fluid when the first fluid exchange medium flows through the first conduit group;
• and
• a second conduit group of second mass transfer conduits disposed between the working fluid inlet and the working fluid outlet, the second conduit group having an entry end that receives the second fluid exchange medium into the second conduit group;
• and an exit end for discharging spent second fluid exchange medium from the second conduit group, wherein the second conduit group performs mass transfer of a second substance with the working fluid when the second fluid exchange medium flows through the second conduit group;
• wherein the first fluid exchange medium inlet is connected to the entry end of the first conduit group in order to collectively convey the first fluid exchange medium into all of the first mass transfer conduits of the first conduit group;
• the second fluid exchange medium inlet is connected to the entry end of the second conduit group in order to collectively convey the second fluid exchange medium into all of the second mass transfer conduits of the second conduit group;
• the first conduit group and the second conduit group are arranged in the chamber in-between the working fluid inlet and the working fluid outlet so that the working fluid, when travelling from the working fluid inlet into the chamber and then through the chamber and then out of the chamber via the working fluid outlet, flows around the first conduit group of first mass transfer conduits and the second conduit group of second mass transfer conduits;
• there is a homogeneous conduit distribution throughout the entire volume of the chamber so that the working fluid flow cross section remains constant throughout the chamber;
• the first fluid exchange medium and the first mass transfer conduits of the first conduit group are adapted to oxygenate, decarbonate, or oxygenate and decarbonate the working fluid;
• the second fluid exchange medium and the second mass transfer conduits of the second conduit group are adapted to add to or remove from the working fluid one or more further substances other than oxygen, carbon dioxide, or oxygen and carbon dioxide;
• the working fluid treatment device being configured for extracorporeal blood circulation;
• and
• the working fluid treatment device is configured to operate with the first fluid exchange medium as a liquid or as a gas, and the working fluid treatment device is configured to operate with the second fluid exchange medium as a liquid or as a gas.