| http://www.w3.org/ns/prov#value | - The means for circulating the blood are advantageously constituted, on the one hand, by suction means, particularly a source of depression and, on the other hand, by delivery means comprising in particular at least one source of excess pressure and the device comprises a multi-way valve adapted to ensure, alternately, the connection of the assembly of the two filtration and collecting chambers wit
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