Multi-axial bone anchor system
CA 2370056 A1 · Owner: Sdgi Holdings, Inc. · Inventors: Morrison, Matthew M.; Barker, B. Thomas; Johnson, Chris E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A spinal implant system (22, 99) is disclosed for the fixation of bone segments in the spine. The system includes an elongated member (22) one or , more bone anchor assemblies (24) and stabilizer members (26) which are fitted within the elongated member. A bone anchor is attached to a bone and the , elongated member and stabilizer are fitted over the bone anchor. A rounded washer (42) and nut (44) having a corresponding rounded underside surface are fitted on to the bone anchor over the elongated member and tightened. The , configuration of the bone anchor assembly including an intermediate portion , of the bone anchor the arcuate washer, and the nut, along with the configuration of …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 13, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 13, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 13, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.