AxSOS Distal Lateral Femur Threaded Shaft Holes ... - Stryker
AxSOS Distal Lateral Femur Threaded Shaft Holes ... - Stryker
AxSOS Distal Lateral Femur Threaded Shaft Holes ... - Stryker
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Operative Technique<br />
Step 6 – Primary Plate Fixation – Proximal (Optional)<br />
The proximal end of the plate can<br />
now be secured. This can be achieved<br />
through one of four methods:<br />
• A K-Wire inserted in the shaft<br />
K-Wire holes<br />
• A 4.5mm Cortex Screw using<br />
the standard technique<br />
• A 5.0mm Locking Screw in the<br />
pre-threaded locking holes or with<br />
a Locking Insert in the standard holes<br />
(see step 8 – <strong>Shaft</strong> Fixation)<br />
• The Temporary Plate Holder (REF<br />
702776) in the last unthreaded shaft<br />
hole<br />
Using a 3.2mm Drill (REF 700357)<br />
and Double Drill Guide (REF 702417),<br />
drill a core hole through both cortices<br />
in the first unthreaded hole above the<br />
most proximal fracture line.<br />
The length is then measured using<br />
the Depth Gauge for standard screws<br />
(REF 702877) and an appropriate<br />
Self- Tapping 4.5mm Cortical Screw<br />
is then inserted using the Screwdriver<br />
(REF 702843) (Fig. 12).<br />
Alternatively, the Temporary Plate<br />
Holder can be used.<br />
In addition to providing temporary<br />
fixation, the Plate Holder pushes the<br />
plate to the bone. Also, it has<br />
a selfdrilling, self-tapping tip for<br />
quick insertion into cortical bone.<br />
To help prevent thermal necrosis<br />
during the drilling stage, it is<br />
recommended that this device<br />
is inserted by hand.<br />
Once the device has been inserted<br />
through the far cortex, the threaded<br />
outer sleeve/collet is turned clockwise<br />
until the plate is in contact with the<br />
bone (Fig. 13). The core diameter<br />
of this instrument is 3.3mm to<br />
allow a 4.5mm Cortical Screw to be<br />
subsequently inserted in the same<br />
shaft hole.<br />
Note:<br />
A Locking Screw and Locking<br />
Insert should not be used in the<br />
hole where the Temporary Plate<br />
Holder is used.<br />
<br />
Fig. 12<br />
Fig. 13<br />
14