US Patent 8696721 Orthopedic expansion fastener
Patent 8696721 was granted and assigned to Spinal Elements on April, 2014 by the United States Patent and Trademark Office.
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Patent abstract
Devices are disclosed for treating the vertebral column. A fastener having a fastener head comprising a screw lumen and fastener shaft is provided. In some embodiments, an external groove and one or more openings between the screw lumen and an external groove are provided. An expandable member is located at least partially in the external groove and protrudes through the one or more openings into the screw lumen. Alternative fixation systems and screw retaining assemblies are also contemplated.
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US Patent 08696721 Orthopedic expansion fastener US Patent 8696721 Orthopedic expansion fastener
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Patent Number
0869672100
Patent Number
869672100
Edits on 31 Mar, 2023
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Current Assignee
Patent Jurisdiction
Patent Number
086967210
Date of Patent
April 15, 2014
0Patent Application Number
133336520
Date Filed
December 21, 2011
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
086967210
Date of Patent
April 15, 2014
0Patent Application Number
133336520
Date Filed
December 21, 2011
0Official Website
Patent Primary Examiner
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US Patent 08696721 Orthopedic expansion fastener
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08696721
Date of patent
April 15, 2014
Patent application number
13333652
Date Filed
December 21, 2011
Patent primary examiner
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