Flat ultrasonic instrument

The utility model discloses a flat plate ultrasonic instrument, and relates to the technical field of medical instruments. An ultrasonic instrument host and an ultrasonic probe are fixedly embedded in the low shell, the ultrasonic instrument host is connected with the ultrasonic probe through a connecting line, the interior of a right side groove of the low shell is rotationally connected with a middle protection plate through a pin shaft, the front end of the low shell is rotationally connected with a cover plate through a pin shaft, and a tablet computer is fixedly embedded in the cover plate. An ultrasonic signal processing board is fixedly mounted in the tablet computer; the cover plate is tightly matched with the pin shaft on the lower shell, the upturned cover plate can be fixed with the lower shell at any position, the tablet personal computer on the cover plate can be operated conveniently, the devices on the two sides are separated and protected through the middle protection plate, and the devices ar