Invention Grant
- Patent Title: Polyaxial facet fixation screw system
- Patent Title (中): 多轴小面固定螺丝系统
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Application No.: US12957056Application Date: 2010-11-30
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Publication No.: US08529609B2Publication Date: 2013-09-10
- Inventor: Joel R. Helgerson , Shresta Marigowda , Andrew Fauth
- Applicant: Joel R. Helgerson , Shresta Marigowda , Andrew Fauth
- Applicant Address: US TX Addison
- Assignee: OsteoMed LLC
- Current Assignee: OsteoMed LLC
- Current Assignee Address: US TX Addison
- Agency: Fulbright & Jaworski LLP
- Main IPC: A61B17/86
- IPC: A61B17/86
Abstract:
A screw system includes a screw and a washer assembly captive to the screw. The washer assembly is polyaxially pivotable relative to the screw. The screw may be freely rotated in one direction relative to the washer assembly, but frictionally binds with the washer assembly when rotated in a second direction.
Public/Granted literature
- US20110182693A1 POLYAXIAL FACET FIXATION SCREW SYSTEM Public/Granted day:2011-07-28
Information query
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