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Telescopic artificial intervertebral disc scaffold and artificial intervertebral disc body using same

A telescopic intervertebral disc technology, applied in the field of artificial intervertebral discs, can solve problems such as inability to support the upper and lower vertebral bodies, deformation of elastic bodies, etc., and achieve the effect of improving the support situation

Inactive Publication Date: 2012-05-09
邹德威
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the elastic body supports the upper and lower vertebral bodies, the elastic body will deform irregularly under pressure, and cannot better support the upper and lower vertebral bodies like the human intervertebral disc

Method used

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  • Telescopic artificial intervertebral disc scaffold and artificial intervertebral disc body using same
  • Telescopic artificial intervertebral disc scaffold and artificial intervertebral disc body using same
  • Telescopic artificial intervertebral disc scaffold and artificial intervertebral disc body using same

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0036] like figure 1 As shown, the structure of the telescopic artificial intervertebral disc support according to the first embodiment of the present invention is shown. In the artificial intervertebral disc support 100 of this embodiment, the telescopic support member 10 disposed between the lower part of the upper support body 1 and the upper part of the lower support body 2 includes a spring 11, and the two ends of the spring 11 are respectively fixedly connected to the upper The lower part of the supporting body 1 and the upper part of the lower supporting body 2, the telescopic artificial intervertebral disc support 100 also includes a limiting cable 12 connected to both ends of the spring 11 to limit the spring in a compressed state. Before being implanted in the human body, the spring 11 can be placed in a compressed state by restricting the restriction of the cable 12, so that the telescopic artificial intervertebral disc support 100 is in a state of smaller volume, s...

no. 2 approach

[0040] figure 2 The structure of the telescopic artificial intervertebral disc support according to the second embodiment of the present invention is shown.

[0041] In the artificial intervertebral disc support 100 of this embodiment, the telescopic support member 10 disposed between the lower part of the upper support body 1 and the upper part of the lower support body 2 includes an upper support leg 21 and a lower support leg 22, and the upper support leg 21 is fixedly connected to the lower surface of the upper support body 1, and the lower support leg 22 is fixedly connected to the upper surface of the lower support body 2, and the upper support leg 21 and the lower support leg 22 can be relatively telescopically connected together. Wherein, one of the upper support leg 21 and the lower support leg 22 (in this embodiment, the lower support leg 22) is formed at least at its end (in this embodiment, the lower support leg 21 is substantially all formed A sleeve portion 221...

no. 3 approach

[0053] Figure 7 and Figure 8 The structure of the telescopic artificial intervertebral disc support according to the third embodiment of the present invention is shown. in, Figure 7 It is a schematic diagram showing the overall structure of the retractable artificial intervertebral disc support, Figure 8 for Figure 7 B-B sectional view in .

[0054] In the artificial intervertebral disc support 100 of this embodiment, the telescopic support member 10 disposed between the lower part of the upper support body 1 and the upper part of the lower support body 2 includes an upper support leg 31 and a lower support leg 32, and the upper support leg 31 is fixedly connected on the lower surface of the upper support body 1, the lower support leg 32 is fixedly connected on the upper surface of the lower support body 2, and the upper support leg 31 and the lower support leg 32 are telescopically connected together.

[0055] Wherein, at least a part of one of the upper support leg...

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Abstract

The invention provides a telescopic artificial intervertebral disc stand. The stand is provided with an upper support and a lower support. At least one telescopic support member is connected between a lower part of the upper support and an upper part of the lower support, so that the upper support and the lower support move towards each other or away from each other. The telescopic support member includes an upper support leg and a lower support leg which can be relatively telescopically connected with each other. At least one part of one of the upper support leg and the lower support leg forms a slideway along the length direction. At least one part of the other of the upper support leg and the lower support leg forms an embedded portion embedded in the slideway along the length direction, so that the upper support leg and the lower support leg can be telescopically connected with each other. The artificial intervertebral disc stand can improve the support condition of the pure elastic body on the upper vertebral body and the lower vertebral body and is convenient to form the artificial intervertebral disc. In addition, the invention also provides the artificial intervertebral disc using the telescopic scaffold.

Description

technical field [0001] The invention relates to an artificial intervertebral disc, in particular to a retractable artificial intervertebral disc bracket and an artificial intervertebral disc body with the bracket. Background technique [0002] The intervertebral disc of the human body is attached between the two vertebral bodies through its upper, lower and outer peripheral surfaces. The intervertebral disc has a hard ring-shaped peripheral part composed of concentric fiber layers, called the fibrous ring. The central part is called the nucleus pulposus. The intervertebral disc is a deformable structure. It is the main connection and support structure between the vertebral bodies of the spine, and it is also the main structure for the movement and vibration absorption of the spine. It can protect and control the relative movement of the spine in six degrees of freedom in three-dimensional space, and at the same time limit These ranges of motion play a role in balancing and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61F2/82A61F2/44A61B17/70
CPCA61F2/44A61F2002/30001
Inventor 邹德威
Owner 邹德威
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