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Biological self-locking artificial intervertebral disc system and its application

An intervertebral disc and artificial technology, applied in the direction of spinal implants, etc., can solve the problems of large surgical trauma, long operation time, accelerated degeneration of adjacent segments, etc., and achieve the effects of wide application range, easy maintenance, and reliable fixation

Active Publication Date: 2017-03-22
李志忠
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the existing complications such as displacement, detachment, subsidence, ossification and fusion of the artificial intervertebral disc and artificial nucleus pulposus, the static fixation of the plate and screw system sacrifices the motor function of the spine, and it is necessary to completely remove the nucleus pulposus and cartilage endplate of the intervertebral disc. Due to the need for bone graft fusion between vertebral bodies, large surgical trauma, long operation time, and accelerated degeneration of adjacent segments in the later stage, it is necessary to invent an artificial intervertebral disc system, and use this prosthetic structure to innovatively replace the diseased intervertebral disc

Method used

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  • Biological self-locking artificial intervertebral disc system and its application
  • Biological self-locking artificial intervertebral disc system and its application
  • Biological self-locking artificial intervertebral disc system and its application

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Embodiment Construction

[0038] The present invention will be described in further detail below.

[0039] The biological self-locking artificial intervertebral disc system of this embodiment is applied to the cervical spine, and includes: an artificial intervertebral disc prosthesis, a prosthetic stem, an intervertebral disc base, a spiral mesh fixing bracket, a first locking screw, and a second locking screw. Design a cervical spine bio-self-locking artificial disc system that conforms to human anatomy and human biomechanics to replace the structure and function of the intervertebral disc that needs to be removed due to degeneration, hyperplasia, herniation, and stenosis.

[0040] The spiral net-shaped fixing bracket includes an outer circular arc cylinder surface, an inner circular arc cylinder surface, two connecting planes and a net-shaped end cover. The outer arc cylindrical surface, the inner arc cylindrical surface, and the connecting plane are all thin-film structures. The inner arc cylindrical sur...

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Abstract

The invention relates to a biological self-locking artificial intervertebral disk system, which comprises an artificial intervertebral disk prosthesis, a prosthesis handle, an intervertebral disk base and a spiral net-shaped fixed bracket which are sequentially connected, wherein the spiral net-shaped fixed bracket comprises an outer screw which is screwed into a vertebral body; and a cavity which is communicated with the outside of the spiral net-shaped fixed bracket is additionally formed inside the spiral net-shaped fixed bracket. The invention also relates to application of the biological self-locking artificial intervertebral disk system, wherein the artificial intervertebral disk system is applied to cervical vertebra, lumbar vertebra or thoracic vertebra. The artificial intervertebral disk system disclosed by the invention has the advantages of reliable fixation of the prosthesis and convenient later maintenance; and the invention belongs to the technical field of surgical prosthesis apparatus.

Description

Technical field [0001] The invention relates to a surgical prosthesis instrument, in particular to a biological self-locking artificial intervertebral disc system and its application. Background technique [0002] At present, the well-known cervical, lumbar, or thoracic spine surgery is mainly divided into two categories: fusion and non-fusion. The following takes the cervical spine as an example. [0003] Non-fusion of the cervical spine mainly includes artificial cervical vertebral disc and artificial cervical nucleus pulposus. At present, the two have clinical products, but they have complications such as displacement, shedding, sinking, ossification and fusion, and are not widely used in clinical practice. [0004] Fusion surgery is mainly a cervical spine plate screw system, which is a static fixation composed of cervical spine plate and screws. The steel plate is placed between the upper and lower vertebral bodies, and fusion materials such as bone and intervertebral fusion ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/44
Inventor 李志忠
Owner 李志忠
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