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Use and evaluation of a new cavity creation device for vertebral augmentation 2012

Interventional Spine

A. Orlando, Ortiz, MD, MBA, FACR
Bhumika, Patel, Non ASSR Member

Poster

Purpose

To assess the utility and efficacy of the C3 cavity creation device (Soteira Corp, Natick, MA) in the performance of vertebral augmentation.

Methods & Materials

The C3 device is a coaxially inserted device with both an adjustable curvable tip and an orthogonally adjustable curette tip. The device was created to facilitate vertebral body reconstruction and cavity creation via a unilateral approach. The device was utilized by a single operator in 6 patients that were being treated for painful osteoporotic vertebral compression fractures. The device was assessed for ease of use, cross midline extension from a unilateral approach, consistency of cavity creation, subsequent cement distribution and any device or procedure related complications.

Results

4 of the six patients were male with an average patient age of 82.6 years. The C3 device was used to treat one fractured vertebra in each patient. The levels treated were T12, L1, L2, L4 in two patients and L5. As a result of coaxial technique the device was readily exchanged over a guidepin and prompt vertebral body access was feasible in all cases. A transpedicular approach was used in all cases. The device allowed for cross midline extension of the curette tip in all cases. An average of 2.5 passes was required to create a cavity within the vertebra. Cement distribution patterns showed a positive correlation with the deployment of the curette. The average cement volume was 2.4 mL, which included either acrylic or bioceramic bone cement. There was no cement extravasation and there were no procedure related complications.

Conclusion

The C3 cavity creation device showed reliable performance in the treatment of osteoporotic vertebral compression fractures in the lower thoracic and lumbar spine.

References/Financial Disclosures

A.O. Ortiz: Speakers Bureau Medtronic Spine (2/2011) Orthovita Spine (3/2011) B. Patel: None

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