Young Do Medical Instruments Co., Ltd. is a medical instruments manufacturing company established 1996. It is focusing on manufacturing and medical devices especially for the E.N.T field. All of its products have sold in large numbers in the Korea market and many Korean doctors have proved their performance quality & efficiency. Especially "Sinus Transilluminator" is excellent for harmlessness of human body point of view. It diagnoses empyema quickly and easy without radiation exposure.