Invention Grant
- Patent Title: Screw driver for a multiaxial bone screw
- Patent Title (中): 螺丝刀用于多轴骨螺钉
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Application No.: US13118868Application Date: 2011-05-31
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Publication No.: US08394108B2Publication Date: 2013-03-12
- Inventor: Scott McLean , Steven Seyer
- Applicant: Scott McLean , Steven Seyer
- Applicant Address: US CT Shelton
- Assignee: Spine Wave, Inc.
- Current Assignee: Spine Wave, Inc.
- Current Assignee Address: US CT Shelton
- Agency: Hoffmann & Baron, LLP
- Main IPC: A61B17/88
- IPC: A61B17/88 ; A61B17/86

Abstract:
A screwdriver for driving a multi-axial its distal end for engaging the head of the bone screw for joint rotational movement. The screw driver includes an outer retention sleeve within which the inner shaft rotates freely. The outer retention sleeve releasably attaches to the yoke of the bone screw. In another configuration, the screwdriver comprises a screw engagement member affixed to the shaft for joint rotational movement therewith, the screw engagement member comprising a stop sized to seat within a slot of the bone screw yoke, the stop being configured to rotate the yoke upon rotation shaft. A releasable retention member is provided on the screw engagement member for releasably attaching the screwdriver to the bone screw.
Public/Granted literature
- US20110313471A1 SCREW DRIVER FOR A MULTIAXIAL BONE SCREW Public/Granted day:2011-12-22
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