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MULTI-LAYER COMPOSITE MATERIAL BONE SCREW
专利权人:
Carbofix In Orthopedics LLC
发明人:
Mordechay BEYAR,Oren GLOBERMAN
申请号:
US14757523
公开号:
US20170181785A1
申请日:
2015.12.23
申请国别(地区):
US
年份:
2017
代理人:
摘要:
Composite material screws and construction techniques are described comprising reinforcing fibers directed in different winding directions and/or angles at different layers (radial depths) of the screw. Optionally, the screw comprises composite material layers wound with fibers at both the pitch of the thread of the screw and at a steeper pitch (for example, about 45°). Optionally, an outer layer of the screw comprises a relative radiolucent construction and/or material, with a more radiopaque construction and/or material positioned underneath the outer layer such that at least a portion of the screw outline is delineated by a radioimaging technique (for example, fluoroscopy, CT, or MRI), while maintaining a sufficiently artifact-free image around the screw that the image characteristics of the surrounding tissue are still determinable.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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