Invention Grant
- Patent Title: Offset multiaxial or polyaxial screw, system and assembly
- Patent Title (中): 偏心多轴或多轴螺丝，系统和组装
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Application No.: US13935601Application Date: 2013-07-05
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Publication No.: US09198691B2Publication Date: 2015-12-01
- Inventor: David Louis Kirschman
- Applicant: David Louis Kirschman
- Applicant Address: US OH Miamisburg
- Assignee: X-spine Systems, Inc.
- Current Assignee: X-spine Systems, Inc.
- Current Assignee Address: US OH Miamisburg
- Agency: Jacox, Meckstroth & Jenkins
- Main IPC: A61B17/70
- IPC: A61B17/70 ; A61B17/86
Abstract:
A capless multiaxial screw fixation assembly, including a screw having a threaded portion and a screw head portion positioned at one end thereof and a retainer having a first end, a second end opposite the first end, and a bore for receiving the screw threaded portion so that the screw head portion is seated therein. At least one of the screw and the retainer is configured such that the retainer is able to pivot about the screw head portion in a non-symmetrical manner.
Public/Granted literature
- US20130296948A1 OFFSET MULTIAXIAL OR POLYAXIAL SCREW, SYSTEM AND ASSEMBLY Public/Granted day:2013-11-07
Information query
