Lower cover structure of oxygenator, oxygentor housing and oxygentor

An oxygenator lower cover structure comprising:

• a lower cover body, a liquid inlet tube, an exhaust tube and an exhaust port;
• a first chamber is provided on the lower cover body, and a first isolation ring, a second isolation ring and a plurality of rib structures are provided in the first chamber;
• the second isolation ring is arranged at intervals on the periphery of the first isolation ring, and a plurality of rib structures are arranged at intervals on the periphery of the second isolation ring;
• the liquid inlet tube passes through the side wall of the lower cover body and the second isolating ring in sequence from the outside to the inside, one end of the liquid inlet tube is arranged on the second isolating ring, and the liquid inlet tube is communicated with the channel between the first isolating ring and the second isolating ring;
• one end of the exhaust tube is arranged on the side wall of the lower cover body, and the exhaust tube is communicated with the channel between the side wall of the lower cover body and the second isolating ring;
• and
• the liquid inlet tube and the exhaust tube are arranged parallel to each other and on the same side, and the exhaust port is arranged in the middle area between the liquid inlet tube and the exhaust tube.

An oxygenator housing comprising:

• an upper cover structure, a housing body and an oxygenator lower cover structure having a first chamber, a first isolation ring, a second isolation ring and a plurality of rib structures, wherein the upper cover structure comprises an upper cover body, a blood inlet tube, a liquid discharge tube and a gas inlet tube;
• the upper cover structure and the lower cover structure are arranged at two ends of the shell body;
• the upper cover body is provided with a second chamber, and a third isolation ring and a fourth isolation ring are provided in the second chamber;
• the blood inlet penetrates the third isolation ring and the fourth isolation ring in sequence from the outside to the inside, and the blood inlet is connected with the space surrounded by the fourth isolation ring;
• the liquid discharge tube is in communication with the passage between the third isolation ring and the fourth isolation ring, and the gas inlet tube is in communication with the passage between the side wall of the upper cover body and the third isolation ring;
• the liquid discharge tube and the liquid inlet tube are parallel to each other and in the same direction, and the gas inlet tube and the exhaust tube are parallel to each other and in the same direction;
• the blood inlet tube is respectively arranged vertically with the liquid discharge tube and the gas inlet tube, the liquid discharge tube and the gas inlet tube are arranged parallel to each other and on the same side, and the blood inlet tube, the liquid discharge tube and the gas inlet tube are arranged on the horizontal plane where the upper cover body is located;
• and
• a blood outlet tube is arranged on the oxygenator housing at a position corresponding to the blood inlet tube, the blood outlet tube and the blood inlet tube are arranged on the same side and parallel to each other.