FIELD: instrumentation.
SUBSTANCE: group of inventions relates to medicine, in particular - to a device and corresponding method for measurement of local velocity of liquid containing a magnetic material within a vessel inside the area of action, such device and method, in particular, suitable for measurement of local blood velocity within a coronary artery. This is ensured through monitoring fluctuation of liquid (containing magnetic particles) within a ball.
EFFECT: group of inventions allows to increase special resolutional ability during measurement of local liquid velocity.
11 cl, 6 dwg
