Headless compression screw with integrated reduction-compression instrument
CA 2854565 C · Owner: Synthes (U.S.A.) · Inventors: Beutter, Florian; Pistoia, Walter; Cicoira, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for setting, compressing, and/or fixing bone fragments comprising a bone screw having a front end with a first threaded portion a rear end with a second threaded portion an unthreaded middle portion, and a longitudinal axis. An installation instrument has a distal portion with an inner threaded portion configured to be threadedly engaged with the second threaded portion of the bone screw. A driving tool substantially coaxial with the distal portion is rigidly attached to a locking collar and includes an engaging portion at a distal end thereof for engaging a corresponding receiving portion of the bone screw to rotate the bone screw. The installation instrument further comprises a …
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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 15, 2006 and granted June 19, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 15, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.