How do ancient texts document our ancient nasal polyp removal techniques?

China's ancient nasal polyp removal technique was unparalleled in the world at that time. In addition to the real work in his book "Surgical Authenticity" said: choose two fine steel bar, the head of the bar drilled a small hole, to thread through the hole, so that the two tendons are connected to five minutes apart, before the operation to the nostrils of the drop of numbing agent, and then the head of the two tendons straight to the root of the polyp twisted tight, down a pull. Polyps can be removed. This method is very similar to the modern medical polyp removal method, but the use of this method in ancient China than the West more than 200 years ago.