33
Trial reduction
The purpose of the trial reduction is to check
the radius of movement, the patellar tracking,
and the tension of the soft tissue mecha-
nism. Insert the tibial trial first, followed by
the femoral trial using the impactor.
Important
If a 10 mm tibial augmentation block is used,
appropriate block trials, which can then be
applied to the tibial trial, are available.
Attach the appropriate tibial insert trial,
which has been previously defined with the
spacer, to the rotation peg of the femoral trial
in the 90° flexed position, and insert into the
tibial trial by hand.
Check implant fit, knee joint kinematics, and
patellar function.
Important
At this point, a definitive decision regarding
patella replacement should be made (see
instructions, starting page 35).
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