Invention Grant
- Patent Title: Bone screw removal system
- Patent Title (中): 骨螺钉拆除系统
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Application No.: US12309985Application Date: 2007-08-06
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Publication No.: US08029514B2Publication Date: 2011-10-04
- Inventor: James C. Robinson
- Applicant: James C. Robinson
- Agency: FSB FisherBroyles, LLP
- Agent Anthony J DoVale
- International Application: PCT/US2007/017445 WO 20070806
- International Announcement: WO2008/019119 WO 20080214
- Main IPC: A61B17/88
- IPC: A61B17/88

Abstract:
A bone screw removal system for a bone screw retaining system that includes an implant having a plate, which defines a plurality of transversely extending bores that are configured to receive a bone screw for engaging the plate to the cervical spine, and an elastically deformable spring member positioned therein a cavity of the plate such that portions of the spring member can extend into a portion of an upper region of each of the bores of a pair of opposing bores, the spring member being movable between a first relaxed, expanded position and a second, compressed position. The bone screw removal system having at least one tongue member that is configured to selectively act on the spring member of the bone screw retaining system.
Public/Granted literature
- US20090318932A1 BONE SCREW REMOVAL SYSTEM Public/Granted day:2009-12-24
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