It may not look like one, but the Implantable Artificial Kidney device has been designed to function in the same way as a human kidney. By extracting waste and keeping nutrients needed by the body, it could one day help those with chronic renal failure.
The Implantable Artificial Kidney, shown here without filters and covers, works like a human kidney by removing excess minerals and wastes from the body.
Source: Implantable Artificial Kidney Corporation