![]() Open each wrapped package as describe above.Conscientiousness, alertness and honesty are essential qualities in maintaining surgical asepsis.Articles of doubtful sterility are considered unsterile.Whenever bacterial barriers are permeated, contamination occur.Tables are sterile only at table top level.Sterile gowns are considered sterile in front, shoulder to table level.The one inch margin around the edge of the sterile field is considered contaminated. The edges of sterile containers are not considered sterile once the package is open.Moisture that passes through a sterile object draws microorganisms from unsterile surfaces above or below to the sterile surface by capillary action. Fluids flow in the direction of gravity.Movement within and around a sterile field must be such as not to cause contamination of that sterile field.If you turn your back on a sterile field, you cannot guarantee its sterility. Sterile areas are continuously kept in view. Sterile items that are out of vision or below the waist level of the nurse are considered unsterile.Leftover sterile solutions are no longer sterile and should be discarded. Use a sterile package immediately once it has been opened.Do not cough, sneeze, or talk excessively over a sterile field. Sterile objects can become unsterile by prolonged exposure to airborne microorganisms.Sterile objects become unsterile when touched by unsterile objects. ![]()
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