Phonatory implant
CA 2623325 C · Owner: Universite Louis Pasteur (Ulp) · Inventors: Walder, Andre; Debry, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a phonatory implant (1) consisting of a central portion (3) forming a hollow cylindrical body having at each of its ends a lateral portion (5 7) forming a shoulder or flange, said implant (1) being urged to be positioned in an orifice or fistula running through the tracheo-esophageal wall (9) each lateral portion (5, 7) abutting respectively at the inner surfaces of the walls of the trachea (13) and of the esophagus (11) so as to maintain the implant (1) in position said phonatory implant (1) consisting of at least two parts (A B), at least one of the two parts being called mobile part (B) and each lateral portion (5, 7) being arranged on a different part of 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 September 21, 2006 and granted May 29, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 21, 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.