7
Prepare pedicle
Instruments
388.54
Pro
b
e
388.544
Pedicle Pro
b
e, for 4.2 mm screws
388.545
Str
a
ight B
a
ll Tip Pro
b
e
388.546
Curved B
a
ll Tip Pro
b
e
388.55
Awl
388.551
Awl, for 4.2 mm screws
Use the
a
wl or
a
wl for 4.2 mm screws to perfor
a
te the
posterior cortex of the pedicle.
Synthes Spine
7
Prepare Pedicle
6
Identify pedicles
The entry point for e
a
ch lum
ba
r pedicle is
a
t the intersection
of
a
horizont
a
l line
b
isecting the tr
a
nsverse process
a
nd
a
vertic
a
l line dr
a
wn
a
long the l
a
ter
a
l
b
order of the superior
a
rticul
a
r process.
The point of entry for e
a
ch thor
a
cic pedicle is
a
t the intersec-
tion of
a
line through the tr
a
nsverse processes
a
nd
a
line
through the inferol
a
ter
a
l edge of the f
a
cet joint.