A method and system for the extracorporeal treatment of blood to remove fluid from the fluid overloaded patient is disclosed that non-invasively measures osmotic pressure across a filter membrane of a blood filter. The filter is permeable to water and electrolytes, but not to blood protein. The osmotic...http://www.google.com.au/patents/US6689083?utm_source=gb-gplus-sharePatent US6689083 - Controller for ultrafiltration blood circuit which prevents hypotension by monitoring osmotic pressure in blood
