▎ 摘　　要

NOVELTY - The utility model claims a muscle tissue ultrasonic probe, comprising a matching layer, a piezoelectric crystal wafer, a backing material layer, a shell, a signal input device, electrode lead, upper and lower surfaces of the piezoelectric crystal wafer are connected with the external signal input device through electrode lead, bottom of the piezoelectric crystal wafer is provided with a matching layer, top part of the piezoelectric crystal wafer is provided with a backing material layer, the piezoelectric crystal wafer, the matching layer and the backing material layer are encapsulated in the shell, the side of the shell is provided with a probe connecting rod. The utility model has scientific and reasonable structure design, protecting the piezoelectric crystal wafer, at the same time, it will not reduce the sound intensity transmittance of the piezoelectric element, the backing material layer is graphene mixture layer, using multi-stage porous structure of graphene and good electrical quality, through the coordination of organic resin, reaches the purpose of improving the sound absorption performance of the traditional backing material, has ultrasonic detection, simple and convenient operation and high detection precision.