The operating technique has been described elsewhere [72 (link)]. Target localization was based on dedicated 3 Tesla MRI images [73 (link)]. The entire operation was performed under general anaesthesia using a stereotactic robot (Rosa®, Medtech, Montpellier, France) coupled with intraoperative flat-panel CT device (O-arm® Surgical Imaging System, Medtronic). Neurophysiological recordings and clinical assessments (for side effects) were performed during surgery. Electrode location was checked by fusion of the postoperative CT image with the preoperative planning dataset. The STN’s boundaries in all three planes were easily determined on the preoperative MRI, and fusion of the MRI and CT images enabled us to determine the exact positions of the electrode contacts in the STN [74 (link),75 (link)].
O arm surgical imaging system
Manufactured by Medtronic
Sourced in France, Ireland
The O-arm® Surgical Imaging System is a mobile, intraoperative 3D imaging system designed to provide real-time, high-quality imaging during surgical procedures. It is capable of acquiring 2D and 3D images of a patient's anatomy.
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Lab products found in correlation
3 protocols using o arm surgical imaging system
1
Stereotactic Robot-Assisted Deep Brain Stimulation
2
Navigated Osteophyte Resection Technique
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The StealthStation Surgical Navigation System (Stealth) and O-Arm Surgical
Imaging System (Medtronic, Dublin, Ireland) was used for intraoperative surgical
navigation. A Mayfield cranial stabilization system (Integra LifeSciences,
Plainsboro, NJ) is used to hold the skull and cervical spine in place during the
operation and allow for placement of the reference frame attachment (Figure 2 ). Exposure and
provisional osteophyte removal are completed prior to O-Arm imaging. This allows
intraoperative 3-D imaging to determine which portions and how much of the
osteophyte(s) remain after provisional resection. Navigated probes and burs are
then used for final osteophyte resection to the native anterior vertebral body
cortex without breaching the cortex or entering the disc space (Figure 3 ).
Imaging System (Medtronic, Dublin, Ireland) was used for intraoperative surgical
navigation. A Mayfield cranial stabilization system (Integra LifeSciences,
Plainsboro, NJ) is used to hold the skull and cervical spine in place during the
operation and allow for placement of the reference frame attachment (
provisional osteophyte removal are completed prior to O-Arm imaging. This allows
intraoperative 3-D imaging to determine which portions and how much of the
osteophyte(s) remain after provisional resection. Navigated probes and burs are
then used for final osteophyte resection to the native anterior vertebral body
cortex without breaching the cortex or entering the disc space (
3
Posterior Pedicle Screw Fixation for ASD
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All patients underwent posterior pedicle screw fixation with or without interbody fusion. A surgical procedure was proposed for patients who presented with low-back pain and/or radiating lower-extremity pain symptoms that did not respond to conservative treatment such as medication, physical therapy, and radicular and/or epidural injection. Surgical procedures were performed under general anesthesia and with the patient in a prone position on a radiolucent table. The pedicle screw placement was achieved with the aid of intraoperative radiographic 3D imaging (O-arm Surgical Imaging System and StealthStation; Medtronic, Inc.). Accurate decompression was performed under microscopic view. All intersomatic cages were placed via a posterolateral approach. The decision for a second surgical treatment for patients who developed ASD was made for those who benefited from the first surgery. In these individuals, after a symptom-free period, radicular symptoms or low-back pain refractory to conservative treatment reoccurred, with radiological imaging compatible with a diagnosis of ASD.
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