DIALYSIS LIQUID CIRCUIT, DIALYSIS APPARATUS COMPRISING A DIALYSIS LIQUID CIRCUIT, METHOD FOR DETECTING AIR IN A DIALYSIS LIQUID FLOWING THROUGH A DIALYSIS LIQUID CIRCUIT, AND USE OF A GAS SENSOR IN A DIALYSIS LIQUID CIRCUIT

摘要

The present invention relates to a dialysis liquid circuit with conduits for conducting dialysis liquid and with means for detecting air in the dialysis liquid, wherein the means comprise at least one gas sensor traversed continuously by the dialysis liquid, which is configured such that it measures at least one property of the dialysis liquid which depends on the presence of air bubbles in the dialysis liquid, and which is arranged downstream of a region to be monitored of the dialysis liquid circuit, in which during operation of the dialysis liquid circuit a negative pressure exists with respect to atmospheric pressure, wherein the means comprise an evaluation unit which is connected with the gas sensor and which is configured such that the property measured by means of the gas sensor is evaluated with regard to the presence of air bubbles in the dialysis liquid.