Implantable medical device having data transmission using a varying electric field
CA 2322955 A1 · Owner: Sulzer Intermedics Inc. · Inventors: Pauly, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for communicating information between a first medical device (12) and a second medical device (10). A first transducer (30) is connected to the first medical device (12). A second transducer (24) is connected to the second medical device. Each of the transducers includes a pair of electrically separated electrodes (32, 34). A means (22 28) is provided for imposing an , electrical potential across one pair of electrodes of one of the transducers and modulating the electrical potential according to the information to be communicated, to generate a modulated electric field. The other of the transducers is disposed within influence of the modulated electric field. A means (22, …
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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 March 5, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 5, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 5, 2021.
- 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.