Abstract: Disclosed is a suction valve for an endoscope, the endoscope including a first conduit and a second conduit, the suction valve including a shaft, a pressing unit, and a holding seat; wherein a first opening and a second opening are provided at a bottom and a sidewall of the shaft, respectively; the holding seat is sleeved in the shaft, and a middle portion of the shaft projects outward to form a ridge, the pressing unit including a bump, a first slot being provided at a sidewall of the holding seat, the bump being snap-fitted with the first slot.

Abstract: Disclosed is a suction valve for an endoscope, the endoscope including a first conduit and a second conduit, the suction valve including a shaft, a pressing unit, and a holding seat; wherein a first opening and a second opening are provided at a bottom and a sidewall of the shaft, respectively; the holding seat is sleeved in the shaft, and a middle portion of the shaft projects outward to form a ridge, the pressing unit including a bump, a first slot being provided at a sidewall of the holding seat, the bump being snap-fitted with the first slot.