Synthes EXPEDIUM VERSE, System Manual

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NOTE: Reduction or extended tab screws such as EXPEDIUM VERSE Screws provide the additional
benefit of accommodating a technique in which the rod is rotated from the coronal to sagittal
plane prior to being fully reduced. While this alteration to the traditional rod rotation results in less
initial segmental translation of the spine, it reduces the force applied to the rod during this
maneuver when compared to rod rotation after fully reducing the rod at all levels. The reduction in
force may result in less flattening of the rod.
6
ROD ROTATION
Equipment
2997-04-175 Rod Clamp
2997-04-180 Double End 5.5 Rod Hex Wrench
2997-04-205 Facilitator
2997-04-220 Key Inserter/Tightener
2997-04-230 X25 Inserter/Tightener
2997-04-145 Pencil Handle
2997-04-140 Ratcheting Tear-Drop Handle
2997-04-135 Ratcheting T-Handle
Following rod capture and prior to rod reduction, typically the
sagittal contour of the rod is still in the coronal plane. After
reducing the rod, a rod rotation maneuver can be performed
by aligning the sagittal contour of the rod with the sagittal
plane of the patient. This technique will further translate the
spine to the rod.
Either the Rod Clamp or the Double End 5.5 Rod Hex
Wrench or a combination of both can be applied to the rod
to rotate and restore sagittal alignment. In order to reduce
the rib prominence, it may help to have an assistant push
down on the convex ribs and the convex screws.
Once the rod has been properly oriented in the sagittal plane,
the distal or proximal neutral levels can be locked to maintain
the new orientation of the rod. This is accomplished by fully
reducing these neutral levels by using the Key Inserter/
Tightener assembled to the Torque Limiting Handle and then
provisionally tightening the Rod Lock with the X25 Inserter/
Tightener assembled to the Torque Limiting Handle.
Following this, the Rod Clamp and/or Double End 5.5 Rod
Hex Wrench can be removed.
Continued and incremental reduction across all levels
should result in additional translation of the spine while
distributing the forces required for correction along the
length of the construct.
FIGURE 44
FIGURE 45
23 DePuy Synthes Companies | EXPEDIUM VERSE System | System Guide