1
2
Synthes
9
2
Open pedicle and determine screw length
Use one of the awls to open the pedicle cortex to a depth of
10 mm (1). Open the pedicle further using one of the USS
pedicle probes with markings at 30, 40 and 50 mm (2).
Screw Pedicle Awl Pedicle Probe
(mm)
4.2 388.551 388.538 (
2.8 mm)
5.2, 6.2 388.550 388.540 (
3.8 mm)
7.0 388.550 388.539 (
4.8 mm)
Summary of Contents for USS II
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