Keyed intervertebral dowel
CA 2376312 A1 · Owner: Scarborough, Nelson L. · Inventors: Boyce, Todd M.; Scarborough, Nelson L.; Martz, Erik O.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intervertebral implant (50) having a tabbed configuration is provided. The intervertebral implant includes a substantially cylindrical body portion (52) and a pair of radially extending tabs (62 64). The radially extending tabs , may be provided as a single or double pair (66 68), may assume various , shapes, and configurations for engaging the interior of a bore (E) formed between adjacent vertebrae (X, Y). A through bore (60) or plurality of through bores extend from the top surface (58) of the implant to the bottom surface (70) of the implant. The implant may be formed from a cortical ring (C) cut from the diaphysis of a long bone (D) by milling. Alternatively the implant , may …
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 June 8, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 8, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 8, 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.