Threaded fusion cage anchoring device and method
CA 2287260 A1 · Owner: Ray, Charles Dean · Inventors: Ray, Charles Dean
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is an anchoring device and method for stabilizing adjacent vertebral joints. The anchoring device (12) includes an anchoring plate (26) adapted to be secured to at least one vertebral disc having a central portion (32), extended end portions (34), and at least one lateral extension (60). The central portion includes an anchoring nut (28) for fastening the anchoring plate to a vertebral implant (24), and the end portions include anchoring screws (30) for fastening the anchoring plate to the vertebral disc. The vertebral implant is preferably a threaded fusion cage (24) wherein the , anchoring nut is rotatable fixed to both the anchoring plate and the threaded fusion …
Read the whole patent
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 24, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 24, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 24, 2020.
- 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.