What is a common method to maintain a sterile field?

Maintaining a sterile field is essential in preventing infections during medical procedures. Using only sterile instruments and materials is the primary method to ensure that the field remains uncontaminated. This practice involves utilizing equipment that has been properly sterilized, such as surgical instruments and drapes, which are free from microorganisms. By keeping these items sterile, the risk of surgical site infections and other complications is significantly reduced.

The other methods outlined do not contribute to maintaining a sterile field. Surrounding it with non-sterile equipment, for example, introduces potential contaminants. Similarly, a cluttered area can lead to inadvertent contact with non-sterile surfaces or materials, posing a risk to sterility. Lastly, avoiding cleaning before a procedure can leave pathogens on surfaces, which can compromise the sterility of the area. Therefore, using only sterile instruments and materials is a fundamental practice in infection control.