An implantable, or compact, extracorporeal, artificial kidney that generally comprises: at least one blood inlet conduit, at least one microfluidic filter, a support for said filter, at least one blood outlet conduit and at least one blood solute outlet conduit, and methods for using the kidney. ...http://www.google.ca/patents/US20020052571?utm_source=gb-gplus-sharePatent US20020052571 - Artificial kidney and methods of using same