With the patient in the proper position, the solutions are applied, each with a separate sterile sponge stick, beginning in the central area of the site of the incision and proceeding peripherally.

• 病人摆好体位，开始涂擦消毒液消毒，每次使用一枚无菌纱布拭子醮取消毒液后开始消毒，以手术切口区中心逐渐向外扩展。