Fig. 5From: Single-site laparoscopic high ligation of the extraperitoneal hernia sac with an epidural needle for incarcerated ovarian hernia in infantsA, B The epidural puncture needle was inserted into the anterior wall of the inguinal canal through the anchor point. C The needle was advanced extraperitoneally on the medial side of the ring. D The needle was gently withdrawn until its tip reached the roof of the internal ring, with the loop remaining in the cavityBack to article page