Vertebrae fastener placement guide
CA 2426796 A1 · Owner: Ray, Eddie F. Iii · Inventors: Berry, Bret M.; Ray, Eddie F. Iii; Tromanhauser, Scott G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A screw placement guide (100, 1000, 3000 3300) includes a first member (102, 102a 102b) having a first guide (116, 120a) adapted to contact a first vertebral bone portion (V1) and a second member (104 104a, 104b) having a , second guide (120 116a) adapted to contact a second vertebral bone portion (V2). A clamping mechanism (106) provided on one of the members clamps the first guide (116, 120a) and the second guide (120 116a) to the vertebral bone , portions (V1 V2). The first guide (116, 120a) and the second guide (120 116a) are aligned in order to indicate how a fastener will be aligned when fastened between adjacent vertebrae (V1 V2). A driver (108, 108a) engages , clamping mechanism …
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 October 10, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 10, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 10, 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.