What is Hernia repair surgery?Hernia repair is surgery to correct a hernia - an abnormal bulging of internal organs, often the intestine, through a weakness in a muscular wall.A hernia repair is known medically as a herniorrhaphy.Two techniques are in use today:Open surgery:In this approach, the doctor makes a single long incision over the hernia, removes the protruding sac if necessary, and sews the torn muscle closed. Man-made mesh may be applied to the inside of the muscle wall to further str...