Vascular state measurement method and measurement device thereof

A vascular state measurement device comprising:

• a coil set having a plurality of coils arranged in order;
• and
• a control module coupled to the coil set and configured to:
• select a first coil and a second coil from the plurality of coils;
• perform a first eddy current induction measurement to a target vessel, by the first coil corresponds to a first terminal position and the second coil corresponds to a second terminal position of the target vessel
• wherein the first terminal position and the second terminal position define a first measurement range;
• derive a first signal characteristic difference between the first terminal position and the second terminal position based on the first eddy current induction measurement;
• adjust at least one of the first terminal position and the second terminal position of the first measurement range, by selecting at least one non-selected coil of the plurality of coils, to form a second measurement range;
• perform a second eddy current induction measurement to the target vessel at a third terminal position and at a fourth position of the target vessel defining a second measurement range;
• derive a second signal characteristic difference between the third terminal position and the fourth terminal position based on the second eddy current induction measurement;
• and
• determine at least one stenosis or sclerosis location within the target vessel according to the first signal characteristic difference and the second signal characteristic difference.