Saliva suction head and electric saliva suction device used after oral flap repair surgery

The invention relates to a saliva suction head and an electric saliva suction device used after an oral flap repair surgery. The saliva suction head comprises N L-shaped saliva suction blades, a rotating shaft driving the saliva suction blades to rotate and an extrusion shell for extruding a saliva suction layer. The electric saliva suction device used after the oral flap repair surgery comprisesthe saliva suction head, a motor driving the rotating shaft of the saliva suction head to rotate, a negative-pressure suction assembly and a holding rod held by a patient by hand to perform saliva suction operation, wherein the saliva suction head is arranged at the head end of the holding rod, the motor is arranged in the holding rod, a suction tube is also arranged in the holding rod, one end ofthe suction tube is connected with a negative-pressure suction hole of the saliva suction head, and the other end of the suction tube is connected with the negative-pressure suction assembly. The saliva suction device can suc