Synthes Small Stature USS, Technique Manual

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Preoperative Planning
4 Synthes Spine Sm a ll St a ture USS
1
Preoperative planning
Preoper a tive pl a nning is critic a l in the prep a r a tion for spin a l
surgery.
A r a diogr a phic ev a lu a tion (AP a nd l a ter a l st a nding, a nd AP
l a ter a l b ending) should b e completed for proper di a gnosis
prior to surgic a l intervention.
Addition a l ev a lu a tion, such a s CT sc a ns, m a y b e required if
there a re a ny a n a tomic v a ri a tions.
A preoper a tive pl a nner m a y b e used to pl a n the hook a nd
screw l a yout. A s a mple of the Sm a ll St a ture USS pl a nner is
shown on the right.
Small Stature USS Preoperative Planner
Dual-Opening Hooks*
Dual-Opening Screws*
Lamina Hooks
Side-opening Front-opening
Small x98.308 x98.309
Medium x98.318 x98.319
Large x98.328 x98.329
Posterior View
* I mplants are available in both Stainless Steel and Titanium.
Replace “X” with a “2” for Stainless Steel or “4” for Titanium.
Illustrations not shown actual size.
T all Body Lamina Hooks
Side-opening Front-opening
Small x98.209 x98.210
Medium x98.211 x98.212
Large x98.213 x98.214
Thoracic Lamina Hooks
x98.338, Side-opening
x98.339, Front-opening
T ransverse Process Hooks, Right
x98.376, Side-opening
x98.378, Front-opening
4.2 mm Screws
Length
x98.401 25 mm
x98.402 28 mm
x98.403 30 mm
x98.404 32 mm
x98.405 35 mm
x98.406 38 mm
x98.407 40 mm
5.0 mm Screws
Length
x98.409 25 mm
x98.410 30 mm
x98.411 35 mm
x98.412 40 mm
x98.413 45 mm
6.0 mm Screws
Length
x98.415 30 mm
x98.416 35 mm
x98.417 40 mm
x98.418 45 mm
x98.419 50 mm
x98.420 55 mm
7.0 mm Screws
Length
x98.422 30 mm
x98.423 35 mm
x98.424 40 mm
x98.426 45 mm
x98.427 50 mm
x98.428 55 mm
x98.429 60 mm
Transverse Process Hooks, Left
x98.377, Side-opening
x98.379, Front-opening
Angled Lamina Hooks
x98.206, Side-opening
x98.207, Front-opening Pedicle Hooks
x98.348, Side-opening
x98.349, Front-opening
© SYNTHES Spine 2000
Right Left
Original Instruments and Implants of the Association for the Study of Internal Fixation–AO/ASIF SYNTHES and ASIF are registered trademarks of SYNTHES (USA) and SYNTHES AG Chur.
2
Prepare lamina
Instrument
388.521 L a min a Finder
Use the l a min a finder to sep a r a te the lig a mentum fl a vum
from the underside of the l a min a to ensure good b ony
cont a ct with the l a min a hook.