Surgical blades are classified as follows: according to shape and use, surgical blades can be divided into scissors type surgical blades, sharp instrument type surgical blades and special surgical blades. Scissor blade is mainly used to cut soft tissues, such as muscles and skin; Sharp surgical blade is mainly used to cut hard tissues, such as bones and tendons; Special surgical blades are surgical blades with special shapes or functions, such as ring cutters, scrapers, etc. Surgical blade can be divided into # 10, # 11, # 12, # 15, # 20, # 22, etc. according to the number. These figures represent the size, length and shape of the surgical blade. Surgical blade can be divided into carbon steel blade and stainless steel blade according to material. Carbon steel blades are relatively cheap, but prone to rust and corrosion; Stainless steel blades are relatively durable, but their prices are relatively high. Surgical blade can be divided into disposable surgical blade and reusable surgical blade according to the use mode. The disposable surgical blade is mainly used for some operations requiring high hygiene standards, such as Craniotomy, heart surgery, etc; The reusable surgical blade needs to be disinfected and sterilized, and is repeatedly used in multiple operations.
