GMK Sphere Calipered Kinematic Alignment Surgical Technique
36
CAUTION
It is strongly recommended not to impact or hammer
directly on the 4in1 guide. If the surgeon considers such
action required, do not impact directly on the guide, use the
impactor 02.07.10.2187.
Once the resections are complete, remove the 4in1 cutting
block.
OPTION
To facilitate the removal of the 4in1 cutting guide, a
dedicated extractor (ref. 02.12.10.0187) is available.
Assemble the extractor to the slide hammer, grab the 4in1
cutting block as shown in the picture below and pull it out.
83.
Downsizing after femoral resections
If, despite soft tissue release, the flexion gap is still tight, a
femoral downsizing may be needed.
Using the existing holes, place on the distal resection the
repositioning plate (UP +2), drill a new pair of holes, remove
the repositioning plate and position the next smaller 4in1
cutting block using the new holes.
84.
The posterior resection will move 2 mm anteriorly. On the
contrary, the level of the anterior resection is not changed.
Check the resection levels using the angel wing. If the
cutting block position is satisfactory, fix the cutting block
and perform the femoral resections as explained in the
§ 15.2.
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