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Intervertebral filler

A filling and intervertebral technology, applied in spinal implants, medical science, prostheses, etc., can solve problems such as complications, discomfort, and impact on human health, and prevent nerve cavity stenosis Effect

Inactive Publication Date: 2007-03-07
叶安时
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, the conventional intervertebral filler cannot effectively control the range of rotation between the first support body 110 and the second support body 120
[0007] 2. When the arc-shaped embossed surface 114 of the first support body 110 and the arc-shaped concave surface 124 of the second support body 120 rotate relative to each other, debris will be generated due to friction, and these debris will cause complications when entering the human body. disease, which indirectly affects human health
[0008] 3. Both the first support body 110 and the second support body 120 are made of metal material or hard synthetic material, so when the human body moves, it cannot provide buffer force to share the stress on the spine, which is prone to discomfort sense

Method used

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Embodiment Construction

[0027] The preferred embodiments and technical content of the present invention are described as follows in conjunction with the accompanying drawings.

[0028] First, please refer to Fig. 3, Fig. 4 and Fig. 5 together. The intervertebral filler 200 of the present invention is used to be installed between any two adjacent vertebral body endplates 20 of the human body as an artificial intervertebral disc. Among them, the intervertebral filler 200 is mainly composed of a first support body 210 , a second support body 220 and a covering body 230 .

[0029] The first supporting body 210 has two opposite ends, one of which is protruded with a first positioning pin 212 (the number is not limited), and the other end is designed with an arc-shaped embossed surface 214, and the material of the first supporting body 210 is hard material, such as metal or plastic; the second support body 220 also has two opposite ends, wherein one end is protruded with a second positioning pin 222 (the n...

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Abstract

The invention relates to an intervertebral stuff, betweeo two nearby vertebral of human body. Wherein, it comprises first support and second support; the invention is characterized in the coat that coats the first and second supports, and at least expose the first positioning bolt of first support and the first positioning bolt of second support outside the coat, therefore, the first and second positioning bolts can be fixed on nearby two vertebral. The invention can control the move range of two supports, to avoid chip generated by their rotation to enter into body.

Description

Technical field: [0001] The present invention relates to an intervertebral filler, in particular to an intervertebral filler suitable for installation between any two adjacent vertebral body end plates (end plates) of the human spine. Background technique: [0002] The intervertebral disc between the vertebral body endplates of the human spine is a delicate structure that conforms to the mechanical principle. Its central core is a nucleus pulposus with a diameter of about 1.5 cm and is composed of a fluid-filled nucleus, which has the ability to deform and withstand the pressure of the spine; the peripheral It is composed of multiple layers of intricately arranged fibrous rings. The strong structure can maintain the stability of the core. Therefore, the intervertebral disc is the natural buffer body of the human body, which can share the pressure on the spine and avoid spinal injuries. [0003] However, the human body often causes intervertebral disc herniation due to factor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F2/44A61B17/56
CPCA61F2/44A61F2002/30001
Inventor 叶安时
Owner 叶安时
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