Patent ID: 8134280

Claim:
An electronic radial ultrasonic probe comprising: a plurality of ultrasonic transducer elements including a first electrode and a second electrode facing each other, wherein the plurality of ultrasonic transducer elements are continuously lined up and forms a cylinder so that the second electrode is positioned on an outer circumference side of the cylinder and the first electrode is positioned on an inner circumference side of the cylinder; an acoustic matching layer covering the cylinder or an acoustic lens covering the cylinder; a ground wire electrically connected to the second electrode; a conductive body electrically connected to the ground wire, wherein the conductive body is mounted to a first opening of the cylinder; and a signal wire introduced through a second opening of the cylinder opposing the first opening, and installed within a space surrounded by the conductive body and the first electrode forming the cylinder so as to be electrically connected, on the inner circumference side of the cylinder, to the first electrode.