Proper Hand Washing Technique in Healthcare- steps of washing hands before surgery ,For surgery patients, a thorough hand washing prior to performing a dressing change can mean the difference between a speedy recovery and an infected incision. Hand washing is critical to the prevention of infection and should be done frequently. Your hands should be washed immediately before your touch your healing incision.How To Perform Surgical Hand Scrubs | Infection Control TodayAll sterile team members should perform the hand and arm scrub before entering the surgical suite. The basic principle of the scrub is to wash the hands thoroughly, and then to wash from a clean area (the hand) to a less clean area (the arm). A systematic approach to the scrub is an efficient way to ensure proper technique.