Efficient finger rehabilitation device

The utility model relates to the technical field of finger rehabilitation equipment. The utility model provides an efficient finger rehabilitation device. The problem that finger joints are injured issolved. The mechanical arm comprises a wrist, fingers and a driving device connected to the wrist in a sleeving mode. The driving equipment comprises an annular sleeve, a mounting cavity is formed inthe annular sleeve, an annular piston is slidably connected to the inner wall of the mounting cavity, the annular piston is connected to the inner wall of the mounting cavity through a plurality of first compression springs, an air nozzle is connected to the side wall of the mounting cavity in a penetrating mode, and a knuckle stretching device is connected to the other end of the air nozzle in apenetrating mode. According to the utility model, the defects in the prior art are overcome; the finger rehabilitation device is simple in structure, reasonable in design and compact in structure, the problems that an existing