Device and method for preoperatively demonstrating implantable hearing systems
CA 2361445 A1 · Owner: Waldmann, Bernd · Inventors: Waldmann, Bernd; Leysieffer, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to substantially realistically pre-operatively demonstrate to patients having an, impaired hearing the effect and sound impression of an least partially implantable hearing, system including a first electronic audio signal processing unit a , demonstration device is, provided which comprises an electromechanical transducer adapted for being noninvasively coupled from the side of the external auditory canal to at least approximately, the center of the tympanic membrane and thus to the end point of the manubrium mallei, for producing mechanical vibrations of the tympanic membrane an electronic , audio, signal generator unit and a second electronic audio signal processing unit …
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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 November 8, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 8, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 8, 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.