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Vanguard
®
ID Total Knee
Surgical Technique
Figure 28
Figure 29
Tibial Resection
(cont.)
Flexion/Extension Gap Check
Check the flexion and extension gaps with the tibial
spacer to ensure that there is adequate spacing (9 mm
should be able to be easily inserted) (Figure 28).
If the space is less than 9 mm:
– Check that the entire meniscus
has been removed.
– Check that the back of the tibia
has been fully resected.
– Check that the posterior femoral
osteophytes have been removed.
Note:
An alignment rod can also be used with the
spacer block to assure proper varus/valgus alignment
and slope.
Tibial Sizing
Place the knee in maximum flexion with a Z-retractor
medially and laterally to provide maximum exposure.
Select the tibial template size that provides the
appropriate A/P and M/L coverage (Figure 29).
Perform an extramedullary alignment check by placing
the 1/4 inch alignment rod through the tibial template
handle.
Vanguard ID Tip:
To optimize flexion and
prevent posterior edge loading, the posterior
tibial tray should cover as much of the posterior
tibia as possible.
