US Patent 11779238 Implantable sensors for vascular monitoring

An implantable sensor for implantation in a vessel, comprising a plurality of electrodes for placement on, in or adjacent a vessel wall, means for providing a drive signal to the electrodes, means for measuring at least one of impedance and capacitance between at least two of the plurality of electrodes, and means for wirelessly communicating data from the sensor and a blood vessel monitoring system comprising same.