Recently, foreign media reported that the U.S. Food and Drug Administration and the U.S. Environmental Protection Agency are evaluating the safety of triclosan. Therefore, Weibo’s news that “Triclosan in toothpaste may cause cancer†is spreading. . Among them, Colgate's full effect and Crest's partial toothpastes have been reported to contain triclosan.
The controversy over triclosan actually originated largely from the experiment of a teacher at the Virginia Tech University. He found that triclosan-containing products react with chlorine-containing tap water to form a substance known as "Gorofin", which is called chloroform. Chloroform was used as an anesthetic. Animal experiments have found that this substance will cause damage to the heart and liver, have mild teratogenicity, can induce mice to develop liver cancer, but no human carcinogenic research data.
Ma Yi, secretary-general of China Sundries Industry Association, said in an interview with reporters on the 2nd that it was the results of this research that in 2005, there were disputes between “trichlorcin cancer†at home and abroad. To date, the old matter has been revisited because the U.S. Food and Drug Administration recently gave an update on the safety of triclosan. It was alleged that the U.S. Food and Drug Administration announced the start of the evaluation of the safety of triclosan as early as April 2010. The researchers found that this bactericidal component may interfere with thyroid hormone function, and even make some bacteria resistant to antibiotics. However, the "sterilization" of his job is not necessarily much better than soap plus water. At the end of last year, some members of the United States even urged the United States to include triclosan on the banned list.
Recently, the reporter interviewed Li Yixin of the Colgate-Palmolive Company’s Foreign Affairs Department. He sent a reporter Colgate’s statement on triclosan that Colgate’s full-scale antibacterial toothpaste contained trichlorin, which was once owned by China. A small market share, due to commercial operation considerations, has stopped production in China earlier this year.
The reporter visited several major supermarkets in Hangzhou. The correspondent at Lianhua Qingchun Store of the Century discovered that the products of Colgate, Crest, Black Girl, Black, Cold Sorrel, etc. were not found to contain triclosan. . But some domestic brands of toothpaste products contain triclosan, such as "sweet and efficient stain removal", "Shanghai anti-acid toothpaste double mint flavor enhanced type", "Chinese toothpaste full effect plus alum", "Yunnan white drug gold "Koujian" and so on, but the number of toothpastes containing triclosan only accounts for about 10% of all toothpaste varieties.
Venous cannula is also a deep venous puncture catheter. The method is to select the appropriate puncture site and insert the needle under the skin, and insert the needle with negative pressure until the dark red blood is absorbed, indicating that the needle has entered the vein, and the guide wire is inserted. Withdraw the puncture needle to leave the guide wire in the blood vessel, and then insert the venous catheter that needs to be indwelled along the guide wire, then exit the guide wire, inject diluted heparin saline and fix the catheter, the deep venous catheterization is completed. The veins for puncture and catheterization are usually selected clinically, including the subclavian vein, internal jugular vein, and femoral vein. After the puncture catheter is indwelled, attention must be paid to the care of the puncture site to avoid infection with thrombus or catheter falling off.
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