Percutaneous Injection Laryngoplasty is a new method developed to improve the operating procedures using electromyogram. Without the need of anesthesia, this new process preserves major vocal membrane and vocal layer, and allows for inserting an organic prosthesis in the right place. The electrymyogrammic needle helps to spot and insert the material, improving the voice dramatically almost permanently. Electromyogram was tested approximately 1000 times on animals, and was first introduced in 1991. Clinical studies were presented to the National Learned Society (4th Korean Otolaryngology General Learned Society Presentation 1998), as well as to the International one (2nd East Asian Orthopedic Learned Society), and it was also presented at the 32nd American Voice Learned Society in Philadelphia on June 8th 2003 (The Voice Foundation's 32nd Annual Symposium).

Advantagesof Injection Laryngoplasty
1. General anesthesia is not necessary.
2. It only takes about fifteen to twenty minutes operation.
3. Treatment is possible irrespective of health condition of the patient.
4. Hospitalization is not required.
5. Incision is not required.
6. Different treatments are available through different drugs in accordance with the patient's condition.
7. Insertion in the right area is possible depending on the illness of patients.