Multichannel electrical stimulator with improved channel isolation
CA 1279101 C · Owner: Minnesota Mining And Manufacturing Company · Inventors: Van Den Honert, Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrical stimulator (36) having a plurality of channels (38, 40) adapted to stimulate bodily tissue (22) with an electrical current on each of the plurality of channels (38, 40). first (48 and 58 respectively), and second (50 and 60 respectively) electrodes are coupled to each of the plurality of channels (38 40) and adapted, to be coupled to the bodily tissue (22) for passing electrical current through the bodily tissue. A first current source (42 and 52 respectively) and a second current source (44 and 54, respectively) is supplied for each of the plurality of channels (38 40). The, first current source (eg. 42) being coupled to the first electrode (e.g. 48) and the second current …
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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
- Granted January 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 2008.
- 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.