Thoracic vertebra lamina reconstruction system

By designing an arch-shaped artificial lamina reconstruction system, the problems of dural scar adhesion and spinal canal restenosis after thoracic vertebral laminectomy in existing technologies have been solved, achieving stable reconstruction of the thoracic vertebral laminectomy and nerve protection.

CN223958918UActive Publication Date: 2026-03-03SHANGHAI FIRST PEOPLES HOSPITAL
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Patent Information

Application Number
CN202423041052.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2026-03-03
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing artificial lamina are not suitable for the thoracic spine structure and lack specific application methods, resulting in a high risk of dural scar adhesion and spinal restenosis after thoracic laminectomy.

Method used

An arch-shaped artificial vertebral lamina reconstruction system was designed, comprising an arc-shaped main body, a fixation plate, and anti-slip teeth. It is fixed to the isthmus of the articular process and the root of the transverse process using fixation screws to reconstruct the posterior wall structure of the thoracic vertebra and prevent dural adhesions and spinal stenosis.

Benefits of technology

It effectively expands the spinal canal volume, prevents spinal canal restenosis and nerve adhesion after laminectomy, and has fewer components, is easy to install, and can be easily removed in special circumstances.

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Abstract

The utility model discloses a thoracic vertebra vertebral plate reconstruction system, including arch bridge type artificial vertebral plate and set screw, arch bridge type artificial vertebral plate includes arc-shaped main part, fixed plate and anti-slip teeth, the fixed plate is provided with two, and the fixed plate is provided at the both ends of arc-shaped main part respectively, and the anti-slip teeth are provided at the joint of fixed plate and arc-shaped main part. The anti-skid teeth are arranged on one side far away from the arc; a mounting hole is formed in the middle of the fixing plate, and the fixing screw is matched with the fixing plate. The thoracic vertebra vertebral plate reconstruction system is an artificial vertebral plate reconstruction system which is simple in structure, convenient to install and beneficial to thoracic vertebra bone tissue growth.
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