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Bioactive fusion device

A fusion device and hybrid device technology, applied in spinal implants, internal bone synthesis, medical science, etc., can solve problems such as frustration and restriction of reoperation, and achieve the effect of reducing medical costs and reducing slippage

Inactive Publication Date: 2015-01-07
UNIVERSITY OF TOLEDO
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, use of dynamic systems is not always successful and may frustrate attempts to limit reoperation

Method used

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Embodiment Construction

[0032] Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Although any methods and materials similar or equivalent to those described herein can be used in the practice or testing of the present invention, the preferred methods and materials are described herein. All references cited herein, including books, journal articles, published U.S. or foreign patent applications, issued U.S. or foreign patents, and any other references, are hereby incorporated by reference in their entirety, including the cited references All data, tables, figures and text appearing.

[0033] Unless otherwise indicated, all numbers expressing size ranges (e.g., amounts of ingredients), properties (e.g., molecular weights), reaction conditions, dimensions, etc. used in the specification and claims are to be understood in all instances in terms of the term "about " to ...

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Abstract

In a first broad aspect, there is provided herein a bioactive device and system for fusion between two bones, two parts of a bony joint, or a bony defect, such as of the spine. The fusion device includes a screw having a head and a threaded shaft. The fusion device also includes a bone dowel having an internal bore of which at least a distal portion is threaded to engage the threads of the screw shaft. The bone dowel is made of a bone-like, biocompatible, or allograft material to provide a layer of bone-like, biocompatible, or allograft material between the screw and the spinal bone. The device is generally coaxial and is further described in the drawings and description herein.

Description

[0001] Cross references to related patent applications [0002] This application claims priority to US Provisional Application No. 61 / ,593,270, filed January 31, 2012, the disclosure of which is incorporated herein by reference. [0003] Statement Regarding Federally Sponsored Research [0004] This invention was not made with Government support and the Government has no rights in this invention. technical field [0005] The present invention relates, in part, to bioactive systems for fusion between two bones, between two parts of a bony joint, or between two parts of a skeletal defect such as the spine. The invention also relates in part to methods of making and using such bioactive systems for fusion. Background technique [0006] More than 650,000 spinal surgeries are performed annually in the United States, the majority of which are decompressive laminectomies for spinal stenosis. Spinal stenosis is a narrowing of the spinal canal that houses the spinal cord, usually ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/86
CPCA61B2017/564A61F2/4455A61F2/446A61B17/8685A61F2/442A61B17/7064A61B17/8625A61B17/866
Inventor V·K·戈埃尔A·K·阿加瓦尔
Owner UNIVERSITY OF TOLEDO
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