There's also Scandinavian Real Heart (https://realheart.se https://realheart.se) from Sweden. They are developing a "total artificial heart" with two chambers a

There's also Scandinavian Real Heart (https://realheart.se https://realheart.se) from Sweden. They are developing a "total artificial heart" with two chambers and two pumps for a natural blood flow (and pulse). Longterm animal tests are expected to commence after this summer.