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Indications and Contraindications
Indications
USS II Polyaxial is indicated for use in the thoracic and lumbar
spine, as well as for ilio-sacral fixations (T1–S2). It is indicated
for the posterior treatment of:
– Degenerative diseases
– Deformities in combination with USS II or USS Low Profile
pedicle screws
– Fractures and tumours with sufficient anterior support
when using USS II Polyaxial as a stand-alone device for
posterior fixation
Contraindications
– In fractures with severe anterior vertebral body disruption,
an additional anterior support or column reconstruction is
required.
Precautions
For patients with osteoporosis, the use of cancellous bone
screws is recommended.
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