Three Dimensional Movements Of The Upper Cervical Spine

1989 ◽  
Author(s):  
Manohar M. Panjabi ◽  
Jiri Dvorak ◽  
Joanne Duranceau ◽  
Isao Yamamoto
Keyword(s):  
Cervical Spine ◽  
Three Dimensional ◽  
Upper Cervical Spine ◽  
Upper Cervical

Three-Dimensional Motion of the Upper Cervical Spine in Rheumatoid ARthritis

Spine ◽  
1994 ◽  
Vol 19 (3) ◽  
pp. 272-276 ◽  
Author(s):  
Hiroshi lai ◽  
Sumio Goto ◽  
Masatsune Yamagata ◽  
Tamotsu Tamaki ◽  
Hideshige Moriya ◽  
...  
Keyword(s):  
Rheumatoid Arthritis ◽  
Cervical Spine ◽  
Three Dimensional ◽  
Upper Cervical Spine ◽  
Upper Cervical

Three-Dimensional Translational Movements of the Upper Cervical Spine

1991 ◽  
Vol 4 (4) ◽  
pp. 411-419 ◽  
Author(s):  
Takenori ◽  
Manohar M. Panjabi ◽  
Joseph J. Crisco
Keyword(s):  
Cervical Spine ◽  
Three Dimensional ◽  
Upper Cervical Spine ◽  
Upper Cervical

scholarly journals Robot-assisted screw fixation in upper cervical spine using TiRobot system: an accurate and reliable procedure

10.29007/7j81 ◽  
2018 ◽  
Author(s):  
Qiang Yuan ◽  
Jingye Wu ◽  
Yajun Liu ◽  
Yonggang Xing ◽  
Yong Zhang ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Screw Fixation ◽  
Three Dimensional ◽  
Upper Cervical Spine ◽  
Robot Arm ◽  
Average Deviation ◽  
Cervical Spine Surgery ◽  
Upper Cervical ◽  
Reliable Procedure ◽  
Underlying Diseases

Screw fixation in upper cervical spine surgery is one of the most challenging spinal procedures. For that reason, the free-hand techniques are not a reliable procedure in upper cervical spine. Wei Tian reported the first posterior C1-2 transarticular screw fixation which was assisted by robotic systems using TiRobot system in 2016. Our study was aimed to assess the accuracy and reliability of screw fixation in upper cervical spine prospectively.All the patients undergoing screw fixation assisted by robotic system (TiRobot) in upper cervical spine were prospectively studied from August 2015 to January 2018 in Beijing Jishuitan hospital. During surgeries, intraoperatively obtained images by C-arm were transferred into the TiRobot system and three-dimensional images were created. Surgeons' plannings of the screw trajectories were performed in TiRobot system. Afterwards, the robot arm with a guidance tube on its end was automatically moved to the entry point of each trajectory and held still. Guiding pins were inserted and followed by cannulated or conventional screws placements. A fluoroscopic re-scan by C-arm was performed, and the merging of two sets of images demonstrated the deviations between the planned and real trajectories. The deviations were analyzed and any intraoperative difficulties or errors were recorded. Postoperatively, any screw perforations were reviewed and recorded on CT scan images.Twenty-six patients (13 males/13 females) were included in this study. The average age was forty-nine. The underlying diseases of these patients covered dens fractures, Hangman's fractures, congenial and acquired deformities. 64 screws were placed assisted by TiRobot system. The average deviation between the planned and real trajectories was 0.9 mm. No screw perforations were detected on postoperative CT scans.Cervical spine, particularly the upper cervical spine has small size bony structures, higher accuracy requirements are significantly important. The results of our study showed only 0.9 mm deviations between planned and real trajectories occurred. This level of accuracy allowed safe and accurate placement of screws in upper cervical spine and no screw perforations were observed. For that reasons, screw fixation in upper cervical spine is an accurate and reliable procedure using TiRobot system.

Three-Dimensional Movements of the Upper Cervical Spine

Spine ◽  
1988 ◽  
Vol 13 (7) ◽  
pp. 726-730 ◽  
Author(s):  
MANOHAR PANJABI ◽  
JIRI DVORAK ◽  
JOANNE DURANCEAU ◽  
ISAO YAMAMOTO ◽  
MARCUS GERBER ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Three Dimensional ◽  
Upper Cervical Spine ◽  
Upper Cervical

scholarly journals Additive technologies in surgical treatment of spinal deformities

2018 ◽  
Vol 25 (3-4) ◽  
pp. 19-29 ◽  
Author(s):  
A. A Kuleshov ◽  
M. S Vetrile ◽  
A. N Shkarubo ◽  
V. V Docenko ◽  
N. A Es’kin ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Preoperative Planning ◽  
Three Dimensional ◽  
Deformity Correction ◽  
3D Models ◽  
Upper Cervical Spine ◽  
Spinal Deformities ◽  
Custom Made ◽  
Upper Cervical ◽  
Spine Fixation

Purpose of study: to summarize the experience in three-dimensional biomodeling and custom made metal constructions for surgical treatment of spinal deformities of different localization and etiology, evaluate its advantages, potentialities and efficacy. Patients and methods. During the period from 2011 to 2018 three-dimensional (3D) custom-made spinal models were used in 52 patients with different spinal deformities: congenital multilevel spinal deformity (n=20), upper cervical spine deformities (n=12), III-IV degree of spondylolisthesis (n=10), neurogenic scoliosis (n=8), neurofibromatosis (n=2). 3D models were created in scale 1:1 by stereolithographic technique on the basis of computer model designed by spiral CT results. In all cases 3D models were used for preoperative planning including the intended deformity correction, decompression and spine fixation. In 26 cases 3D spinal models were used to manufacture the custom made metal constructions for the deformity correction and spine fixation: plates for the upper cervical spine anterior fixation, cervicothoracic junction, plates and cages for lumbosacral fixation, and implants for spinopelvic fixation. Results. In all cases the use of spine bio models enabled to achieve important additional information at preoperative planning and intraoperatively. Long-term follow up made up 3 years. After neural structures decompression and deformity correction good clinical and roentgenologic results were observed in all patients. Use of custom made implants ensured stable spine fixation in all cases with the exception of 3 patients in whom the implants were removed due to infectious complication (n=1) and poor postoperative wood healing. Conclusion. In deformities of different etiology the full-scale spine models provide better assessment of the deformity pattern and preoperative planning. 3D models and computer modeling make possible the manufacture of individual metal constructions for spine fixation that is especially topical in severe deformities.

Feasibility of mixed reality–based intraoperative three-dimensional image-guided navigation for atlanto-axial pedicle screw placement

2019 ◽  
Vol 233 (12) ◽  
pp. 1310-1317 ◽  
Author(s):  
Xinghuo Wu ◽  
Rong Liu ◽  
Song Xu ◽  
Cao Yang ◽  
Shuhua Yang ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Pedicle Screw ◽  
Mixed Reality ◽  
Three Dimensional ◽  
Pedicle Screws ◽  
Screw Placement ◽  
Upper Cervical Spine ◽  
Pedicle Screw Placement ◽  
Image Guided ◽  
Upper Cervical

This study aimed to evaluate the safety and accuracy of mixed reality–based intraoperative three-dimensional navigated pedicle screws in three-dimensional printed model of fractured upper cervical spine. A total of 27 cervical model from patients of upper cervical spine fractures formed the study group. All the C1 and C2 pedicle screws were inserted under mixed reality–based intraoperative three-dimensional image-guided navigation system. The accuracy and safety of the pedicle screw placement were evaluated on the basis of postoperative computerized tomography scans. A total of 108 pedicle screws were properly inserted into the cervical three-dimensional models under mixed reality–based navigation, including 54 C1 pedicle screws and 54 C2 pedicle screws. Analysis of the dimensional parameters of each pedicle at C1/C2 level showed no statistically significant differences in the ideal and the actual entry points, inclined angles, and tailed angles. No screw was misplaced outside the pedicle of the three-dimensional printed model, and no ionizing X-ray radiation was used during screw placement under navigation. It is easy and safe to place C1/C2 pedicle screws under MR surgical navigation. Mixed reality–based navigation is feasible within upper cervical spinal fractures with improved safety and accuracy of C1/C2 pedicle screw insertion.

Three-Dimensional Motion Analysis of the Upper Cervical Spine During Axial Rotation

Spine ◽  
1993 ◽  
Vol 18 (16) ◽  
pp. 2388-2392 ◽  
Author(s):  
Hiroshi Iai ◽  
Hideshige Moriya ◽  
Sumio Goto ◽  
Kazuhisa Takahashi ◽  
Masatsune Yamagata ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Motion Analysis ◽  
Three Dimensional ◽  
Axial Rotation ◽  
Upper Cervical Spine ◽  
Upper Cervical

Endonasal Surgery of the Upper Cervical Spine: A Morphometric Analysis

Skull Base ◽  
2008 ◽  
Vol 18 (S 01) ◽  
Author(s):  
Harminder Singh ◽  
Bartosz Grobelny ◽  
Adam Flanders ◽  
Marc Rosen ◽  
Paul Schiffmacher ◽  
...  
Keyword(s):  
Cervical Spine ◽  
Morphometric Analysis ◽  
Upper Cervical Spine ◽  
Endonasal Surgery ◽  
Upper Cervical
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