First scrub

In surgery, the first scrub is a person - typically a nurseor specially trained surgical technician- who dons mask, gown, and gloves and approaches the sterile field to directly assist the surgeon, primarily by organizing, preparing, and passing instruments for his or her use. Not to be confused with first assistant, who directly assists in surgery, or a circulating nurse, whose job is to see that everything is in order.

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It uses material from the http://en.wikipedia.org/wiki/First+scrub Wikipedia article First scrub.