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BONE ANCHORING ASSEMBLIES AND METHODS OF USE
专利权人:
发明人:
JAMES F. MARINO,Jamil Elbanna
申请号:
US15074900
公开号:
US20160270826A1
申请日:
2016.03.18
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A fixation system is described that can be secured to a bony structure, such as a pedicle of a vertebrae. For example, the fixation system can include a pedicle screw and a receiver element. The receiver element can have a pair of upper opposing projections with a first channel formed therebetween and shaped to receive a part of a connecting rod. The receiver element can further include a pair of lower opposing projections with a second channel formed therebetween and shaped to mate with the pedicle screw. The fixation system can further include an expanding element that forms a tubular shape when a compressive force is applied along a plurality of flexible arms of the expanding element. The plurality of flexible arms can be self-expanding and bow radially outward when the compressive force is released.
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