Safe and Accurate Midcervical Pedicle Screw Insertion Procedure With the Patient-Specific Screw Guide Template System

Kaneyama, Shuichi; Sugawara, Taku; Sumi, Masatoshi

doi:10.1097/brs.0000000000000772

Cited by 124 publications

(115 citation statements)

References 38 publications

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“…Burtsev et al Computer 3D-modeling of patient-specific navigational template for cervical screw insertion ограничивать ее широкое распро-странение. При этом в настоящее вре-мя способ является наиболее точным для корректного введения винтов [4,6,7,10]. Немногочисленные публикации, посвященные этой проблеме, описы-вают различные варианты изготовле-ния лекал.…”

Section: рисunclassified

“…Немногочисленные публикации, посвященные этой проблеме, описы-вают различные варианты изготовле-ния лекал. Большинство этих работ посвящено навигированию в шей-ном отделе позвоночника, что сви-детельствует о наибольшей сложно-сти при введении винтов в этой обла-сти [4][5][6][7][8][9][13][14][15]. Описаны различные варианты методик от одного [4,7] до трех (для шила, сверла, винта) лекал [14,15].…”

Section: рисunclassified

“…Наиболее частыми погрешностями при навиги-ровании по лекалам являются отклоне-ния от заданной траектории. Их вели-чина в 97,9 % случаев не превышает 2 мм, при этом мальпозиций не отме-чают [6]. В 95 % случаев не отмеча-ются отклонения от траектории [13].…”

Section: рисunclassified

“…Однако мобильность шейного отде-ла не позволяет добиться абсолютно точного позиционирования винтов интраоперационно, что не исклю-чает полностью риска мальпозиций. В последнее время в зарубежных источ-никах все большее внимание уделяется 3D-моделированию и изготовлению лекал для задания траектории введения винтов [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]. При этом в отечествен-ной литературе подобного рода публи-кации отсутствуют.…”

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Computer 3d-Modeling of Patient-Specific Navigational Template for Cervical Screw Insertion

Burtsev¹,

Pavlova²,

Рябых³

et al. 2018

Hir. pozvonoč.

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Tumors and inflammatory diseases of the spine Опухоли и воспалительные заболевания позвоночника 33Hirurgia Pozvonochnika (spine surgery) 2018;15(2):33-38 ХИРУРГИЯ ПОЗВОНОЧНИКА 2018. Т. 15. № 2. С. 33-38 © А.В. Бурцев и др., 2018 © A.V. Burtsev et al., 2018 Computer 3D-modeling of patient-specific Objective. To prove the effectiveness of 3D computer modeling and printing of patient-specific templates for cervical spine screw fixation. Materials and Methods.Based on the MSCT data of three patients, 3D models of cervical vertebrae and guiding templates were produced. The screws were inserted transpedicularly into 3D-printed models of C2-C7 vertebrae and C1 lateral masses using standard cervical instrumentation. This technology was then clinically tested in a patient with C2 tumor, in whom posterior stabilization of C1-C3 vertebrae was performed using guiding templates. In the postoperative period, MSCT was performed to monitor the position of screws.Results. When implanting screws into 3D-models, technical difficulties were not revealed. After insertion of screws, a visual assessment of the 3D vertebra model was made. Malpositions in models were not detected. Based on the proven technique, a clinical approbation was performed in a patient with normal cervical spine pattern. MSCT study revealed the deviation of screws relative to the planned trajectory by no more than 2 mm, with no malpositions. Conclusion. The first domestic description of

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Computer 3d-Modeling of Patient-Specific Navigational Template for Cervical Screw Insertion

Burtsev¹,

Pavlova²,

Рябых³

et al. 2018

Hir. pozvonoč.

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“…The second approach uses supports affixed to the transverse process, the spinous process, and/or the lamina [15][16][17][18]. Regarding the preoperative definition of the ideal screw direction, most of the studies are based on the prior identification by the surgeon [19,20] and in a few works [21][22][23][24][25] the authors determine a predefined best pedicle screw trajectory and/or diameter and maximum screw length. Few studies have focused on the improvement and optimization of arthrodesis surgery conducted on the sacral zone of the spine by means of a template to guide the screws inside the bone.…”

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Novel Procedure for Designing and 3D Printing a Customized Surgical Template for Arthrodesis Surgery on the Sacrum

Naddeo

Cappetti

et al. 2018

Symmetry

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Abstract:In this article, the authors propose a novel procedure for designing a customized 3D-printed surgical template to guide surgeons in inserting screws into the sacral zone during arthrodesis surgeries. The template is characterized by two cylindrical guides defined by means of trajectories identified, based on standard procedure, via an appropriate Computer-Aided-Design (CAD)-based procedure. The procedure is based on the definition of the insertion direction by means of anatomical landmarks that enable the screws to take advantage of the maximum available bone path. After 3D printing, the template adheres perfectly to the bone surface, showing univocal positioning by exploiting the foramina of the sacrum, great maneuverability due to the presence of an ergonomic handle, as well as a break system for the two independent guides. These features make the product innovative. Thanks to its small size and the easy anchoring, the surgeon can simply position the template on the insertion area and directly insert the screws, without alterations to standard surgical procedures. This has the effect of reducing the overall duration of the surgery and the patient's exposure to X-rays, and increasing both the safety of the intervention and the quality of the results.

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Morphometric measurement of the cervical spine for minimally invasive pedicle screw fixation using reverse engineering and three‐dimensional reconstruction

Zhou

Wen²,

Sun

et al. 2016

Robotics Computer Surgery

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The measurements of this study could provide detailed information for percutaneous cervical screw fixation. The data of the relationship between the cervical spinous process and the pedicle screw channel present valuable technical information for the design, optimization and clinical application of the aiming device for percutaneous cervical pedicle screw fixation. Copyright © 2016 John Wiley & Sons, Ltd.

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Safe and Accurate Midcervical Pedicle Screw Insertion Procedure With the Patient-Specific Screw Guide Template System

Abstract: 3.

Cited by 124 publications

References 38 publications

Computer 3d-Modeling of Patient-Specific Navigational Template for Cervical Screw Insertion

Computer 3d-Modeling of Patient-Specific Navigational Template for Cervical Screw Insertion

Novel Procedure for Designing and 3D Printing a Customized Surgical Template for Arthrodesis Surgery on the Sacrum

Morphometric measurement of the cervical spine for minimally invasive pedicle screw fixation using reverse engineering and three‐dimensional reconstruction

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