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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0313738 (2005-12-22) |
등록번호 | US8048160 (2011-10-17) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 13 인용 특허 : 515 |
A stent, or device for repair and reconstruction of the spinal disc wall, or annulus fibrosus, after surgical incision or pathologic rupture, which is inserted through an aperture into the subannular space. The stent has radial extensions which are caused or allowed to expand into an expanded config
A stent, or device for repair and reconstruction of the spinal disc wall, or annulus fibrosus, after surgical incision or pathologic rupture, which is inserted through an aperture into the subannular space. The stent has radial extensions which are caused or allowed to expand into an expanded configuration to bridge the aperture. The stent thereby occludes the defective region from the inside of the vertebral disc and prevents the migration of nucleus pulposus therethrough, while also providing a scaffold for tissue growth.
The invention claimed is: 1. A method of closing and reapproximating a defect in the posterior side of an annulus fibrosus of an intervertebral disc, comprising: inserting a barrier through an opening in the posterior side of an annulus and into a disc; positioning said barrier across said defect be
The invention claimed is: 1. A method of closing and reapproximating a defect in the posterior side of an annulus fibrosus of an intervertebral disc, comprising: inserting a barrier through an opening in the posterior side of an annulus and into a disc; positioning said barrier across said defect before closing and reapproximating the defect, wherein said barrier obstructs passage of material from the interior of said disc into said defect; passing a first fixation suture portion through said annulus on a first side of the defect and passing a second fixation suture portion through said annulus on a second side of the defect, wherein the first and second suture portions are attached to the barrier; and drawing the first and second fixation suture portions together and joining the first and second suture portions across the defect and on a side of the annulus opposite the barrier to close and reapproximate the defect and thereby securing said barrier in two different locations to said annulus at a position across the defect.
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