Ultrasonic assembly for mutually backward emission of multiple acoustic beams
2014
The invention relates to the technical field of interventional ultrasound, and discloses an ultrasonic assembly for mutually backward emission of multiple acoustic beams. The assembly comprises a first ultrasonic transducer and a second ultrasonic transducer. The lower surface of the first ultrasonic transducer and the upper surface of the second ultrasonic transducer are respectively coated with a metal coating layer. A common metal coating layer is disposed between the upper surface of the first ultrasonic transducer and the lower surface of the second ultrasonic transducer in a coated manner, or a back lining layer is disposed between the metal coating layer of the upper surface of the first ultrasonic transducer and the metal coating layer of the lower surface of the second ultrasonic transducer. The same sides of all metal coating layers are connected with metal belts, and the tail end of each metal belt is connected with an electrode line which is coaxial with the metal belt. The assembly can reduce the loss of acoustic energy, improves the electroacoustic conversion rate, saves the installation space, and improves the work efficiency.
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