1

Put the surgical bag on the instrument table, open the first layer of cloth by hand, only touch the outside of the cloth, and spread it from the inside out.

2

Open the inner cloth with the pliers, and then open the single sheet. Open the opposite side first, and then open the near side. The aseptic towel on the desktop is 6 layers thick, and the aseptic sheet should droop 30cm, and the surrounding distance should be even.

three

When laying the sterile table, the body should keep a distance of 10cm from it, and the arm should not cross the sterile area without wearing sterile surgical gown and gloves.