Two-in-one
orthopedicSurgery2013_Layout 1 7/29/13 2:53 PM Page 62
2D and 3D imaging in a single C-arm
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4. Move back.
Stepping away from the
patient when the C-arm is
operating can significantly reduce radiation exposure. When using fluoroscopy across a patient,
stand on the same side as
the image intensifier, not
the X-ray tube, says Ms.
Cappella. Radiation exposure is a cumulative danger: At 1m from the radiation source, physicians or
staff members will
absorb about 0.1% of the
dose, due to scatter and
leakage through the side
of the imaging tube housing, says Ms. Cappella.
5. Focus on positioning. Place the Carm's image intensifier
as close to the patient as
possible (no closer than
12 to 15 inches, however) to eliminate the scatter of radiation rays.
