Invention Grant
- Patent Title: Polyaxial bone screw with uploaded threaded shank and method of assembly and use
- Patent Title (中): 上轴螺纹多轴骨螺钉及组装及使用方法
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Application No.: US11973361Application Date: 2007-10-05
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Publication No.: US08092502B2Publication Date: 2012-01-10
- Inventor: Roger P. Jackson
- Applicant: Roger P. Jackson
- Agent John C. McMahon
- Main IPC: A61B17/70
- IPC: A61B17/70
Abstract:
A polyaxial bone screw assembly includes a threaded shank body integral with an upper capture structure and a head having an inner cavity for receiving the capture structure. The capture structure is threaded and the head includes a threaded opening for rotatable assembly with the capture structure and eventual locking frictional engagement between the capture structure and the head.
Public/Granted literature
- US20080039844A1 Polyaxial bone screw with uploaded threaded shank and method of assembly and use Public/Granted day:2008-02-14
Information query
