Operative Technique
Fig. 38
Caution:
Before proceeding with drilling
for the selected Lag Screw, check
the A/P fl uoroscopic views to
see if the two Recon K-Wires are
parallel.
The distal K-Wire Sleeve is removed
while the Tissue Protection Sleeve
remains in position (Fig. 36a). The
cannulated Ø6.5mm Recon Stepdrill
for Lag Screw (REF 1806-3025)
is forwarded through the Tissue
Protec tion Sleeve and pushed onto
the lateral cortex. The stop on the
drill will only allow drilling up to
5mm before the K-Wire ends (Fig.
36b).
Warning:
Do not use the cannulated
Recon Stepdrill for Lag Screw
over a defl ected K-Wire.
Using the Recon Screwdriver, the
selected Lag Screw is inserted
through the Tissue Protection Sleeve
and threaded up to the subchondral
bone of the femoral head. The screw
is near its proper seating position
when the groove around the shaft of
the screw driver is approaching the
end of the Tissue Protection Sleeve
(Fig. 37).
Alternatively, the Recon Screwdriver
Shaft may be assembled into the
T-Handle and used for the Lag Screw
insertion.
The required length of the second
Lag Screw is measured using the
Recon Lag Screw Gauge. Repeat the
same surgi cal steps for drilling and
insertion of the proximal Lag Screw
(Fig. 38).
After the completion of the distal
Lag Screw insertion, move on to the
proximal locking procedure.
Fig. 36b
Fig. 36a
Fig. 37
28
Содержание T2
Страница 42: ...Notes 42 ...
Страница 43: ...Notes 43 ...
