DHS Surgical Technique, contd.
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8. Select the DHS/DCS Lag Screw and assemble the Lag
Screw Insertion Assembly. (See "Assembling the Instrumentation,"
page 20.) Slide the assembly over the guide pin and
into the reamed hole. Seat the Long Centering Sleeve in the
hole to center and stabilize the assembly. Insert the lag
screw by turning the handle clockwise, until the zero mark
on the assembly aligns with the lateral cortex. The threaded
tip of the lag screw now lies 10 mm from the joint surface.
The lag screw may be inserted an additional 5 mm in porotic
bone, for increased holding power and additional controlled
collapse.
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