Importance

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Abstract

Provided is a method for preparing an intervertebral disc annulus fibrosus implant, including: obtaining a sample having a plurality of ring-shaped collagen fiber layers; cutting and shaping the sample into a column having a top surface, an opposite bottom surface, and a peripheral surface connecting the top surface and the opposite bottom surface, wherein an area of the top surface is smaller than the area of the bottom surface; removing cells in the column; disinfecting, drying and shaping the column to prepare an column-shaped intervertebral disc annulus fibrosus implant. The present disclosure further provides an intervertebral disc annulus fibrosus implant and a method for transplanting an intervertebral disc annulus fibrosus implant. The disclosure can repair the damage of the intervertebral disc fibrous annulus and prevent the leakage of gel-like materials in the nucleus pulposus.

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First Claim