The new nurse comes within 1.5 in (4 cm) of the outer margins. The sterile package's exterior 1 in (2.5 cm) is safe to touch. If supplies are required, seek for assistance before leaving the sterile field unaccompanied; never turn away from a prepared field.
The sterile packaging's top flap should always be opened away from the body. The sterile field is a specified region that is "free of bugs that can infect people." It can encompass surfaces, instruments, and even people. When a surgeon, tech, or nurse is "scrubbed in" (hands cleansed, sterile clothing donned), he or she enters the sterile field.
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