Spinal severe deformity correction instrument and system

By connecting pedicle screws in severely deformed and normal spinal segments using lifting and fixed screw-holding instruments, and combining lifting and fixed transverse joints, precise correction of severe spinal deformities is achieved, solving the problems of insufficient strength and precision in existing technologies and reducing surgical risks.

CN116439807BActive Publication Date: 2026-08-04BEIJING NATON INST OF MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202310407871.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-04-17
Publication Date
2026-08-04
Estimated Expiration
2043-04-17

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively correct severe spinal deformities, especially in terms of strength and precision control. Traditional orthopedic methods are not suitable for severe deformities and involve uncontrollable risks during the procedure.

Method used

A severe spinal deformity correction device is provided, including a lifting screw holder and a fixed screw holder, which are respectively connected to pedicle screws in the severe spinal deformity and normal segments. It is equipped with a lifting crossbar and a fixed crossbar, and is connected to a horizontal support rod through a connector to achieve spinal straightening and derotation.

Benefits of technology

It achieves precise correction of severe spinal deformities, is simple to operate, highly safe, and suitable for surgery on severe deformities, thus reducing surgical risks.

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Abstract

The application discloses a kind of severe spinal deformity correction instrument and system, belong to medical instrument technical field, the severe spinal deformity correction instrument includes lifting screw holder and fixed screw holder, lifting screw holder is used to connect fixed to the pedicle screw of severe spinal deformity segment, lifting screw holder is equipped with lifting cross on it;Fixed screw holder is used to connect fixed to the pedicle screw of normal curvature segment of spine, and fixed screw holder is equipped with fixed cross on it;The side of lifting screw holder and fixed screw holder is equipped with the support rod of horizontal arrangement, and the severe spinal deformity correction instrument further includes connector.The severe spinal deformity correction instrument and system of the application can be suitable for severe spinal deformity disease, and power and accuracy can be controlled in operation process.
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