A Continuous Ambulatory Haemofiltration consisting of an outer casing, multifunction pump, haemofilter, reversed osmosis filter, power source, drainage bag, blood lines and fluid lines, characterized in that the haemofiltrate from the haemolfilter is moved to a reversed osmosis filter. The ultrafiltrate fluid from the reversed osmosis filter flows to the out-flow tube of the haemofilter veineus line through a specific fluid line. The exit of the reversed osmosis filter is connected to a drainage bag. The multifunction pump moves blood from the jagular perm catherter to the haemofilter, and fluids between the haemofilter, reversed osmosis filter, veineus line and drainage bag. An electrode is placed at the in-flow tube of the haemofilter to measure incoming blood osmolality. The electrode is connected to a microprocessor that is further connected to a computer-controlled valve at the out-flow line of the reversed osmosis filter. The microprocessor is connected with a memory card.
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