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What does 100, 1000 and 10000 operating rooms mean?
Class I special clean operating room (100 operating room): joint replacement surgery, organ transplantation surgery and aseptic surgery in brain surgery, heart surgery and ophthalmology;

Class II standard clean operating room (thousand-class operating room): a kind of aseptic operation in thoracic surgery, plastic surgery, urology, hepatobiliary and pancreatic surgery, bone surgery, egg retrieval transplantation and general surgery;

Three-level general clean operating room (10,000-level operating room): general surgery (except first-level surgery), gynecological surgery, etc.

Class Ⅳ quasi-clean operating room (class 300,000 operating room): anorectal surgery, pollution surgery.

100, 1000, 10000 and 300000 refer to the number of dust particles in the air, that is, how much dust there is in the air without cubic meters. The level of 100 operating room is the best, with the least dust and bacteria, and there is basically no infection during important operations.