Vertebral alignment and fixation assembly
CA 2456892 A1 · Owner: Mckinley, Laurence M. · Inventors: Mckinley, Laurence M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for aligning and fixing vertebral bodies is provided. The vertebral alignment/fixation assembly (10) of the current invention comprises a hemispherical headed pedicle screw (12) disposed within a slotted coupling unit (14) designed to allow angular adjustment of the pedicle screw (12) up to 90 degrees and which may be securely locked into position via a single threaded locking nut (16) once a standard alignment rod (60) has been inserted into the slotted coupling unit (14). The vertebral alignment/fixation assembly (10) enabling the angular adjustment of the fixation system hardware after final placement and insertion of the pedicle screw (12) into the …
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 August 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2023.
- 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.