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Excavate the femoral box along the outer
limits marked and prepared with the saw
blade, using a thin, straight osteotome and
a Luer. (Using the osteotome, carefully
extend the two lateral box cuts posteriorly.)
From the anterior side, introduce the narrow
saw blade (or an osteotome) into the IM
canal hole in order to cut the posterior
cortical box bone.
Important
To protect the important posterior soft
tissues, place a Hohmann centrally on the
posterior condyle.
Cut off the upper bone edge to provide
space for the rounding from the patellar
shield to the box wall.
Important
It may be helpful to prepare a “cross” with the
saw used for removing the femoral box. The
remaining triangle of bone is finally removed
with a Luer.
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