Implant positioning device and method
CA 2478477 A1 · Owner: Sandor, George K.B. · Inventors: Sandor, George K.B.; Carmichael, Robert P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention includes a method and apparatus to guide a dental drill to drill a bore into which a dental implant may be inserted at a particular axis. The dentist first takes an impression of a selected patient's dental arch. The cast dental arch is then formed from the impression. A dental professional then determines the desired location of the desired axis. A proxy implant having a proxy axis is placed in the cast dental arch with the proxy axis coincident with the desired location of the desired axis. A stent is then formed of the tooth crowns from the cast dental arch. The stent has incorporated into it a locating barrel. A drill head with a drill alignment arm is provided to …
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 February 27, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 27, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 27, 2025.
- 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.