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SURGIcAL TEchNIQUE FOR „Y“-TYpE LIGhT TROchANTERIc NAILING

11 Pre-Drilling For The gUiDe Wire

Drill through the cortical bone with the yellow 3.2 mm

spiral drill (33).

! The threaded Kirschner wire may damage or bend by
the cortical bone, therefore is important to rough-drill it
by the tempered spiral drill.

12 INSERTION OF ThE GUIDE WIRE

Insert the 3×400 mm threaded Kirschner guide wire (30)
into the femoral head to a level approximately 5 mm
below the subchon dral bone.

Confirm the position of the guide wire within the head
with ap and lateral views.

13 LENGTh MEASUREMENT

Measure the length of the dynamic screw on the guide
wire with the gauge (19).

! Verify that drill sleeves are against bone.
After the determination of the length of screw - while

keeping the wire remove the drill sleeve (25).

14 DRILLING FOR ThE DYNAMIc ScREW

Align the length`s buffer to the right position, which is
placed on the drill for the dynamic screw (33).

Drill through the soft tissue protector till buffer (24).

Digimed Medizintechnik • Kreutzerstrasse 1 • 78573 Wurmlingen • Germany • www.digi-med.de 17