This invention provides a
handle, an
input device, a master hand device, and a
surgical robot. The
handle is used as an
input device for the
surgical robot and includes a main body and a grip portion. The grip portion is configured to hold the
handle. One end of the main body is rotatably connected to the base of the
input device; the other end of the main body is detachably connected to the grip portion via a disassembly
assembly. In this invention, the handle portion and the main body of the handle are detachably connected via the disassembly
assembly. Different grip portions are adapted to the same main body, and the handle can be replaced simply by changing the grip portion, greatly reducing the cost of replacing the handle. During
surgery, doctors can quickly change to different shapes or sizes of grip portions according to their personal habits, which helps doctors grip the handle more comfortably, thereby improving the doctor's experience using the handle, reducing hand fatigue, lowering the
risk factor of
surgery, and enabling the
surgery to proceed smoothly.