Blood filter devices, systems, and methods of using the same to detect the presence of a thrombus within said filter devices. A device of the present disclosure for detecting a thrombus or other blood particulate matter of a threshold size within a vessel can comprise a filter having a head and a plurality of legs extending distally therefrom, configured to capture the thrombus or other blood particulate matter of at least a threshold size, and at least one impedance element positioned distal to the head and configured to detect a presence of the thrombus or other blood particulate matter of at least a threshold size within the filter by obtaining data within a bloodstream when the filter is positioned within the bloodstream.
