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Orthopaedic screws
专利权人:
Paul S. Nebosky
发明人:
Paul S. Nebosky,Sarah L. Zimmerman,Gregory C. Stalcup
申请号:
US12540760
公开号:
US08475505B2
申请日:
2009.08.13
申请国别(地区):
US
年份:
2013
代理人:
摘要:
An orthopaedic screw having a plurality of regions, at least one of which may be porous. The orthopaedic screw includes a head, a tip and at least one thread. The porosity of the screw of the present invention can vary within the part or region, including changes in pore shape, size and density. These characteristics can vary along the length of the screw axis and/or radially (from the outer diameter to the axis). The orthopaedic screw may further include at least one solid region formed of any implantable polymer, reinforced polymer or metal.
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中国工程科技知识中心
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