Invention Grant
- Patent Title: Uniplanar screw
- Patent Title (中): 单面螺丝
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Application No.: US13180332Application Date: 2011-07-11
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Publication No.: US09084634B1Publication Date: 2015-07-21
- Inventor: Eric A. Lab , Joel P. Bales , Simon Gerhard Sjovold , Keun-Young Anthony Kim
- Applicant: Eric A. Lab , Joel P. Bales , Simon Gerhard Sjovold , Keun-Young Anthony Kim
- Applicant Address: US CA Vista
- Assignee: Theken Spine, LLC
- Current Assignee: Theken Spine, LLC
- Current Assignee Address: US CA Vista
- Agency: Middleton Reutlinger
- Agent Robert H. Eichenberger; Chad D. Bruggeman
- Main IPC: A61B17/04
- IPC: A61B17/04 ; A61B17/70

Abstract:
A spinal screw assembly is provided. The assembly may be provided with a screw and a movable head in which angulation of the screw relative to the movable head is constrained so that angulation within limits is allowed in one plane but lesser or no angulation is allowed in another plane. Methods to assemble the disclosed apparatus are also disclosed.
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