Patent ID: 7901629

Claim:
Cartridge device for analysing blood comprising: (a) a cell having a blood receiving portion for receiving a blood sample and a plug or jack receiving portion being adjacent to the blood receiving portion for receiving a plug or a jack; (b) means for circulating said blood sample within said blood receiving portion; and (c) an electrode holder having at least one incorporated electrode pair; wherein the electrode holder is attachable to the cell such that one end of the at least one electrode pair is positioned inside the blood receiving portion of the cell and forms a sensor unit for measuring the electrical impedance between the two electrodes of the at least one electrode pair within said blood sample and that the opposite end of the at least one electrode pair is positioned inside the plug or jack receiving portion of the cell to form a plug or jack portion of the at least one electrode pair that is connectable directly to a plug or a jack on an analyzer for an electrical connection of the sensor unit to the analyzer.