High-risk medical supplies refer to instruments that enter sterile tissues or organs through skin or mucosa, or instruments and articles that are in close contact with damaged tissues and mucosa, such as surgical instruments, puncture needles, blood transfusion instruments, infusion instruments, dialyzers for drugs and liquid blood and blood products, and biopsy forceps for laparoscopic organ transplantation.
Alcohol introduction
Alcohol generally refers to ethanol, which is a volatile colorless transparent liquid at normal temperature and pressure, and its toxicity is very low. Pure liquid cannot be drunk directly. The ethanol aqueous solution has bouquet flavor, slightly spicy and sweet taste. Ethanol is flammable, and its vapor can form an explosive mixture with air. Ethanol can be miscible with water in any proportion, and can be miscible with chloroform, ether, methanol, acetone and most other organic solvents.