Patent ID: 8679326

Claim:
A medical apparatus for extracorporeal blood treatment, comprising: a support structure internally exhibiting a housing chamber, the housing chamber exhibiting at least one liquid collection zone, a hydraulic circuit having at least one supply channel, destined to transport a treatment liquid from at least one source towards a treatment station, and at least one discharge channel, destined to transport a used liquid from the treatment station towards an evacuation zone, the hydraulic circuit being located in the housing chamber above the liquid collection zone such that liquid leakage from the hydraulic circuit can at least partially accumulate in the liquid collection zone, a liquid sensor destined at least to detect presence of a liquid in the at least one liquid collection zone, wherein the liquid sensor operates in a distanced position with respect to the at least one liquid collection zone, and at least one measuring chamber and at least one enclosed channel which sets the at least one liquid collection zone in communication with the measuring chamber, the enclosed channel exhibiting a first end, connected to a lower point of the liquid collection zone, and a second end, connected to a wall of the measuring chamber, a longitudinal portion of the enclosed channel having a top surface, the top surface extending at a height which is vertically below at least a portion of a bottom of the liquid collection zone.