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Artificial spinal canal for preventing spinal nerve compression

A spinal nerve and spinal canal technology, applied in the field of artificial spinal canal, can solve problems such as no corresponding disclosure, spinal cord nerve compression, etc., and achieve the effects of convenient placement, ensuring nutritional support, and reducing harassment

Pending Publication Date: 2018-07-10
广西医科大学附属肿瘤医院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no corresponding disclosure about a technical solution that can effectively solve the problem of spinal nerve compression caused by tumor recurrence.
[0006] To sum up, there is a need for a one-stage insertion during the operation, which surrounds the dural sac and fixes it on the bilateral screw-rod system to play a role of support and protection. Even if the tumor recurs, it will not compress the spinal nerves and avoid Prevent the occurrence of paraplegia, improve the quality of life of patients with spinal tumors, and gain valuable time for further treatment of the artificial spinal canal, but there is no report about this artificial spinal canal

Method used

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  • Artificial spinal canal for preventing spinal nerve compression
  • Artificial spinal canal for preventing spinal nerve compression
  • Artificial spinal canal for preventing spinal nerve compression

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Please refer to figure 1 , figure 1 It is a structural schematic diagram of an artificial spinal canal for preventing spinal nerve compression of the present invention. An artificial spinal canal for preventing spinal nerve compression, the artificial spinal canal includes an artificial spinal canal body 1, a transverse connector 3, and a fixing device 2; establish connection.

[0048] Please refer to figure 2 , figure 2 It is a schematic diagram of the artificial spinal canal body 1 . The artificial spinal canal body 1 includes a microporous thin-walled layer 11 and an elastic support layer 12; the microporous thin-walled layer 11 is arranged on the outer layer, and the elastic supporting layer 12 is arranged on the inner layer; the microporous thin-walled layer The surface of 11 is covered with a microporous structure, and the elastic supporting layer 12 is made of elastic material.

[0049] Please refer to image 3 , image 3It is a structural schematic dia...

Embodiment 2

[0059] Please refer to Figure 6 , Figure 4 It is the structure schematic diagram of the artificial spinal canal of embodiment 2. This embodiment is basically the same as Embodiment 1, except that the spinal canal cavity formed by the artificial spinal canal body 1 in this embodiment is triangular, and the normal range of the sagittal diameter is 12-21 mm. In this embodiment, the artificial spinal canal body 1 is suitable for application on the middle cervical segment of the spinal cord.

Embodiment 3

[0061] Please refer to Figure 7 , Figure 7 It is a structural schematic diagram of the artificial spinal canal of embodiment 3. In this embodiment, it is basically the same as in Embodiment 1, except that the spinal canal cavity formed inside the artificial spinal canal body 1 in this embodiment is oval, and the normal range of the sagittal diameter is 15-25 mm, with an average of 16 mm. -17mm. The artificial spinal canal in this embodiment is originally suitable for the lumbar segment in the spinal cord, and is applied at the L1-2 position of the lumbar spine.

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Abstract

The invention relates to an artificial spinal canal for preventing spinal nerve compression. The artificial spinal canal comprises an artificial spinal canal body, a transverse connector and a fixingdevice, wherein the artificial spinal canal body is connected with the fixing device through the transverse connector. The artificial spinal canal for preventing spinal cord nerve compression has theadvantages that the artificial spinal canals suitable for different segments are designed according to the shape and size of the spinal canal of different segments of the human spine, the artificial spinal canal is subjected to one-staged placement around a dural sac of the corresponding segment together after tumor tissue around the dural sac is subjected to excison by posterior spinal operation,the artificial spinal canal is finally fixed with the fixing device by the transverse connector for stabilization, compression on the dural sac and spinal cord nerves due to tumor recurrence, scar hyperplasia and the like can be effectively prevented in 360 degrees by the support function of the artificial spinal canal, and adhesion between the surrounding scar tissue, the dural sac and nerve roots can also be effectively prevented.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to an artificial spinal canal for preventing spinal cord compression. Background technique [0002] Due to the special anatomical location of the spine, spinal tumor surgery is risky and difficult, especially the recurrence of malignant tumors and metastatic tumors has always plagued spine surgeons. The spinal cord nerve compression caused by tumor recurrence keeps the incidence of paraplegia at a high level. . The reason is that the spinal canal, the anatomical structure originally used to protect the dural sac and spinal cord, was destroyed by the tumor or surgically removed. [0003] At present, the surgical methods for spinal tumors include total vertebral body resection and partial vertebral body tumor resection. For patients who cannot undergo radical total vertebral body resection and need timely decompression of the spinal cord, some scholars have tried "separat...

Claims

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Application Information

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IPC IPC(8): A61F2/44A61B17/70A61F2/30
CPCA61B17/7049A61F2/44A61B2017/7073A61F2/30749A61F2/30721Y02A50/30
Inventor 贺聚良袁振超莫昊吴振杰关键林翔刘斌
Owner 广西医科大学附属肿瘤医院
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