Patent ID: 7967754

Claim:
A medical imaging system, comprising: an imaging device configured to be insertable into an intravascular portion of a living being and to image the interior of the living being, the imaging device comprising: an ultrasound transducer; and bias circuitry electrically coupled with the transducer and configured to electrically bias the transducer; a driveshaft coupled to the imaging device and configured and arranged for rotating the imaging device; and a signal line located along the driveshaft and coupled to both the ultrasound transducer and the bias circuitry and configured and arranged for delivery of both a transducer drive signal to the transducer and a charge to the bias circuitry; wherein the transducer includes a capacitive micromachined ultrasound transducer (CMUT) and the bias circuitry is integrated with the CMUT on a common semiconductor substrate.