Water logging

collect and process

Summer, autumn capture. After catching it, wash it, suffocate with lime or wine, then dry it or dry it. Japanese doctors usually wear a thread in the middle of the body and hang to dry. The brown color is cut off with a thread, and one end of the body is stretched to form a narrow strip. Due to the difference in appearance after processing, the dried product of the Japanese medical doctor is called "water fleas", the dried product of the wide-body gold ray boil is called "broad bream", and the dried product of the brown bream is called "long leeches". .

1. Wide leeches: The summer and autumn are the most productive periods. Lake middle-aged people have large bodies. The bodies of the fish farmers are small, they are sun-dried after drying out, or they are dried in a pot.

2. Long leeches: The method of harvesting is the same as above except that they are worn out with threads and the body is elongated at one end and hung in the sun to dry.

3. Otter: harvest time with the grasshopper, wear out after the line wear, wear often from the middle of the body to wear, hold in the sun to dry.

Note: The real drug leeches are small, long and yellow. Pick them up easily. Do not misuse muddy head gardens. The water must not be exposed to dryness, and black lard is used to make the research very fine. If the moxibustion is not clear though it is the end, after years of water, the human belly can still recover. Those who do not need to live in the water for seven days in advance should be allowed to use it. (recorded in this scriptures)

Ancient medical books have recorded the use of leech to treat a variety of diseases, saying that "the Lord's use of evil blood, blood stasis, month closure, and blood stasis away ...". Medical St. Zhang Zhongjing used his evil spirits

The treatment of "bleeding blood" and "water knot" showed its unique efficacy.

Zhang Xichun later praised the drug: “Bleeding the blood without damaging the new blood, the essence of the pure water is generated, and there is no loss in the air, but blood stasis is invisible and the medicine is good”.

AD 1500 years ago, the Egyptians first Hirudo bloodletting, to the beginning of the last century, Europeans were more superstitious Hirudo able to suck blood disease in humans, regardless of Toutongnaore shall be treated with blood sucking Hirudo. Later, with the development of medicine, this method of treatment with superstitious colors was gradually abandoned. The new use of medical advice in medicine is receiving widespread attention.

Plastic surgeons use medical advice to eliminate blood stasis in the occluding area after surgery and reduce necrosis, thereby improving the success rate of tissue transplants and breast formation surgeries. When the doctor replants or transplants fingers, toes, ears, and nose, he can use the doctor's advice to suck blood and make the blood vessels open, greatly improving the success rate of the operation.

This is due to the salivary glands secreting the anticoagulant hirudin and the histamine-like substance that dilates the blood vessels when doctors suck blood. In 1987, the Shuizi Research Group of the Institute of Aquatic Animals, Chinese Academy of Sciences collaborated with the Department of Orthopaedics of the Third Affiliated Hospital of Hubei Medical University. In China, the first use of doctor-inclined treatment for blood stasis after replantation of severed digits was successful. Several cases were successful and received widespread acclaim both at home and abroad.

The many active substances contained in the saliva of doctor's orders are being widely recognized by scientists from various countries and have become a hot topic for the use of resource animals. In 1984, American Minamata expert Dr. Sawyer founded the world’s first leeches farm biochemical drug company in West Wales, Wales, UK. The hirudin and hyaluronidase produced by the company have been sold to European and American countries and Japan, and have also been sold. Tens of thousands of live medical leeches.

Another medical leech farm was built in Charleston, USA; France and Germany have transferred the genes of synthetic hirudin to yeast and E. coli and used genetic engineering methods to produce cheap hirudin. It can be seen that the needs and production of hirudin are expanding.

Hirudin is a low-molecular-weight (7000) polypeptide consisting of 65 amino acids. The content of glutamine and asparagine is higher, while the isoelectric point is lower (3.8-4.0), and it is stable at room temperature for a long time. Hirudin is known as the most effective natural anticoagulant, its effect is superior to heparin, and has anticoagulant and thrombolytic effects, that is, traditional Chinese medicine called blood circulation. Therefore, it shows great advantages and broad prospects in the treatment of diseases such as septic shock, atherosclerosis, cerebrovascular infarction, cardiovascular disease, hypertension, ophthalmology, and various diseases lacking antithrombin.

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