Randomized Controlled Trial of Shang Ring Male Children Circumcision: Comparison Between Flip and No Flip Technique

Measure the diameter of the penis with a scale plate of holes, the diameter of the ring was accordance with the glands, inner ring is placed into foreskin cavity, apply the outer ring on the skin covering inner ring, clamp the out ring and cut the redundant foreskin; Ring is detached spontaneously.

Measure the diameter of the penis with a scale plate of holes, the diameter of the ring was accordance with the penis, inner ring is placed around the penis, flip foreskin over the inner ring, apply the outer ring on the skin covering inner ring, clamp the out ring and cut the redundant foreskin; Remove the ring 7days postoperatively.