DHS Surgical Technique, contd.
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2. Align the appropriate DHS Angle Guide along the axis of
the femoral shaft, and place it on the femur. Point the guide
tube toward the center of the femoral head. Predrilling of the
lateral cortex with the 2.0 mm Drill Bit is recommended in
dense bone. Insert a DHS/DCS Guide Pin through the
appropriate DHS Angle Guide, parallel to the anteversion
pin and directed toward the center of the femoral head. This
point of introduction varies with barrel angle. When a 135°
barrel angle is used, the guide pin enters the proximal femur
approximately 2.5 cm distal to the vastus ridge.
Notes to Step 2:
Because it is designed for use with the DHS/DCS instruments and
implants, the DHS/DCS Guide Pin, and not an
alternate pin, must be used.
This guide pin remains in place throughout the procedure.
If it is inadvertently withdrawn, reinsert it immediately.
(See "Reinserting the DHS/DCS Guide Pin")
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