Sun Simiao is a famous medical scientist in ancient China, his authors are "Qianjin Zhifang" and "Qianjin Yifang", which are still important references for Chinese medicine, he advocates medical ethics very much, emphasizes that doctors should always think about patients, and wrote the "Great Doctor Jingcheng", which is the earliest medical ethics exposition.
Once, a patient who had a seizure and could not urinate found him, and his expression was painful and abnormal: "Sun Zhenren, you save me, my stomach is really uncomfortable, and my urine is about to burst." Sun Simiao carefully looked at the patient, only to see that his abdomen was high and bulging like a drum. The patient covered his stomach with his hands and groaned incessantly. Seeing the situation, I was very sympathetic to the medicine that I was about to prescribe, and I thought about it: the urine could not flow out, probably because the mouth of the urination was not working. Urinary can't hold so much urine, and it's probably too late to take medicine. If you find a way to insert a tube from the urethra, the urine may be able to drain out.
Sun Simiao decided to give it a try. However, the urethra is very narrow, where to find this thin and soft tube that can be inserted into the urethra? Just when he was embarrassed, he caught a glimpse of a neighbor's child playing with an onion pipe. Sun Simiao's eyes lit up and he said to himself, "There is!" The onion tube is soft and hollow, so I might as well try it. ”
So he found a tube of fine onion, cut off the tip, carefully inserted it into the patient's urethra, and like the child, puffed his cheeks and blew hard, and sure enough, the patient's urine slowly flowed out of the onion tube. When the urine was almost gone, he pulled out the onion tube. The patient felt much better at this time, stood up straight, and thanked Sun Simiao one after another, who wrote down the medicine to let him go back after giving him a pulse diagnosis.
In the history of medicine, Sun Simiao was the first person in the world to invent catheterization, and this method was recorded in his book "A Thousand Golden Fangs".
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