Medical clinical continuous anal dilatation device

The invention relates to a medical clinical continuous anal dilatation device. The device is characterized in that: a cylindrical base is in a hollow cylinder shape, four grooves are formed in the surface of the top end of the cylindrical base, one end of a spring piece is bent into a circular arc shape and is connected tothe top end surface of the cylindrical base in an embedded manner, the otherend is arranged on the outer surface of a petal type movable structure, the bottom end of the petal type movable structure is embedded into the bent part of the spring piece and is embedded into thegrooves, a screw rod is inserted into the inner wall of the hollow thread of the cylindrical base through thread engagement, the screw rod is inserted into the through hole of a ring body through thread engagement, the bottom end of the ring body is welded and fixed on the top end of the screw rod and achieves joint longitudinal telescopic movement, and the ring body controls the outward expansionor closure of the petal ty