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Related Experiment Video

Updated: Jun 15, 2026

3D Printing Model of a Patient's Specific Lumbar Vertebra
07:30

3D Printing Model of a Patient's Specific Lumbar Vertebra

Published on: April 14, 2023

Clinical application of computer-designed polystyrene models in complex severe spinal deformities: a pilot study.

Keya Mao1, Yan Wang, Songhua Xiao

  • 1Department of Orthopaedics, General Hospital of Chinese People's Liberation Army, Beijing, 100853, China.

European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society
|March 10, 2010
PubMed
Summary

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Spine·2024

Computer-designed polystyrene models aid complex spinal deformity surgery. These 3D models improve surgical planning and execution, leading to better outcomes for severe scoliosis and kyphosis correction.

Area of Science:

  • Orthopedics
  • Medical Engineering
  • Radiology

Background:

  • Surgical correction of complex severe spinal deformities (e.g., scoliosis Cobb angle >90°) is challenging.
  • Traditional 2D imaging (X-ray, CT, MRI) offers limited morphometric data.
  • Existing 3D CT reconstructions lack full-scale visualization and intraoperative utility.

Purpose of the Study:

  • To investigate the application of computer-designed polystyrene models in treating complex severe spinal deformities.
  • To evaluate the efficacy of 3D printed models in surgical planning and execution.

Main Methods:

  • Collected CT (DICOM) data from 16 patients with severe spinal deformities (mean Cobb angle 118°).
  • Performed 3D digital reconstruction and rapid prototyping to create custom polystyrene models.

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Precision Measurements and Parametric Models of Vertebral Endplates
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Precision Measurements and Parametric Models of Vertebral Endplates

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Last Updated: Jun 15, 2026

3D Printing Model of a Patient's Specific Lumbar Vertebra
07:30

3D Printing Model of a Patient's Specific Lumbar Vertebra

Published on: April 14, 2023

Precision Measurements and Parametric Models of Vertebral Endplates
10:35

Precision Measurements and Parametric Models of Vertebral Endplates

Published on: September 17, 2019

  • Utilized models for 3D observation, measurement, morphological assessment, patient communication, pedicle screw placement guidance, virtual surgery, and intraoperative guidance.

    • Main Results:

    • Postoperative mean Cobb angle reduced to 42°.
    • Models facilitated accurate morphometric assessment and surgical planning.
    • No severe complications (e.g., spinal cord or major vascular injury) were reported.

    Conclusions:

    • Computer-designed polystyrene models enhance morphometric information accuracy for complex spinal deformities.
    • These 3D models significantly facilitate surgical correction and improve outcomes.
    • The application of 3D printed models represents a valuable advancement in treating severe spinal conditions.