Novel ultrasonic surgical operating instrument

The utility model relates to the technical field of medical instruments, in particular to a novel ultrasonic surgical instrument, which comprises a tool bit component, a handle component, a transducerand a connector, and the transducer is arranged at the upper part of the handle component; the tool bit assembly is located on the front portion of the device, and a tool bar is fixedly connected with the energy converter. The connector is located on the rear portion of the device, a circular ring structure on the connector penetrates through the transducer, the handle assembly comprises a righthandle shell, a left handle shell and a side button assembly, the side button assembly comprises a left button and a right button, the left button and the left handle shell are arranged in an embeddedmode, and the right button and the right handle shell are arranged in an embedded mode. According to the surgical button fixing device, the problems that in the prior art, the button is prone to being mixed in the operation pr