Invention Grant
US08029514B2 Bone screw removal system 有权
骨螺钉拆除系统

  • Patent Title: Bone screw removal system
  • Patent Title (中): 骨螺钉拆除系统
  • Application No.: US12309985
    Application Date: 2007-08-06
  • Publication No.: US08029514B2
    Publication 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
Bone screw removal system
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.
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