Thyroplasty, arytenoid adduction, and injection laryngoplasty are surgical procedures to move a paralyzed or weak vocal fold (cord) closer to the center of the larynx in order to improve the voice.
aryngoplasty, a procedure designed to permanently change the shape of the voice box to improve the voice. microlaryngoscopy, a surgical technique that uses a microscope and specialized microinstruments to perform extremely precise excisions and other interventions on the delicate structures of the vocal cords.