Patent ID: 8608636

Claim:
A ventricular assist device including a blood pump pumping blood, comprising: a first conduit including a first connecting tube connecting an incision of a first body tissue and the blood pump so that the blood can flow, and a first electrode connected to an end portion of the first connecting tube and contacting the incision of the first body tissue to transfer an electric signal to the first body tissue; a second conduit including a second connecting tube connecting an incision of a second body tissue and the blood pump so that the blood can flow, and a second electrode connected to an end portion of the second connecting tube and contacting the incision of the second body tissue to transfer another electric signal to the second body tissue, the second electrode being spaced apart from the first electrode; an impedance measuring device measuring impedance between the first electrode and the second electrode; a control device receiving a signal from the impedance measuring device to control operation of the blood pump.