Synthes
9
4
Determine nail diameter
To determine nail diameter, position the image intensifier
for an AP view of the femur at the level of the isthmus.
Hold the radiographic ruler perpendicular to the femur
and position the diameter tabs over the isthmus. Read the
diameter measurement on the tab that fills the canal.
Note:
Take into consideration that the ruler is not at the
same level as the femur. This will affect the accuracy of
the measurement.