Figure 3-30. Placing the Mayo stand into position over the patient.
NOTE: The stand is some distance above the patient.
Figure 3-31. The sterile field.
NOTE: The back table and ring stand are at right angles to the operating table. The
stand is positioned over the patient. The surgeon and scrub are working on the patient;
the anesthetist is at the head using his equipment. The circulator observes and is ready