Spine orthopedic internal fixation system capable of extending automatically along with spine growth

Abstract

The invention discloses a spine orthopedic internal fixation system capable of extending automatically along with spine growth. The system comprises a multi-section telescopic rod, middle pedicle screw suites and end pedicle screw suites; the multi-section telescopic rod is formed by alternately connecting fixed-length sections and variable-length sections; fixed-length sections at the two ends ofthe multi-section telescopic rod are defined as end fixed-length sections, fixed-length sections located between the fixed-length sections at the two ends of the multi-section telescopic rod are defined as middle fixed-length sections, each end fixed-length section is connected to a end pedicle screw suite, and each middle fixed-length section is connected to a middle pedicle screw suite. The system can meet requirement for dynamic adjustment of spine growth of patients (especially children), the multi-section telescopic rod can be automatically lengthened along with growth of the spine of the patients, the length of each section does not need to be adjusted through multiple operations, and the operation burden of the patients is relieved.

Description

technical field [0001] The invention relates to the field of orthopedic medical devices, in particular to a spinal orthopedic internal fixation system that can extend itself with the growth of the spine. Background technique [0002] At present, the treatment of juvenile idiopathic scoliosis at home and abroad is to use open surgery, using a single-segment extended rigid orthopedic internal fixation system to correct the scoliotic spine, but there are the following deficiencies in the actual treatment process. [0003] 1. Open surgery is required: the rigid orthopedic internal fixation system needs to be implanted in the patient's body through open surgery, which causes great damage to the patient, mainly reflected in the long skin incision (about 20-40cm), large tissue trauma, and frequent bleeding during the operation And the wound is not easy to heal. [0004] 2. The patient needs to undergo multiple adjustment operations: the extension structure of the rigid orthopedic ...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a spinal orthopedic internal fixation system that can extend itself with the growth of the spine, which solves the problem of the existing rigid orthopedic internal fixation system for externally treating children's idiopathic scoliosis. The fixation system needs to be placed into the patient's body by open surgery, which causes great damage to the patient; it also solves the problem that the existing rigid orthopedic internal fixation system for external treatment of children's idiopathic scoliosis cannot better adapt to the growth of the spine It also solves the problem that the existing rigid orthopedic internal fixation system used for external treatment of juvenile idiopathic scoliosis is prone to fatigue broken nails and rods It also solves the problem that the existing rigid orthopedic internal fixation system for external treatment of children's idiopathic scoliosis is prone to rotation and extension of scoliosis segments after surgery, and the problem of orthopedic effect is difficult to guarantee

Images