Device for pulse current action on central nervous system
CA 1100190 A · Owner: Moskovsky Oblastnoi Nauchno-Issledovatelsky Institut Akusherstva I Ginekologii · Inventors: Nozhnikov, Valentin M.; Kastrubin, Eduard M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for pulse current action on the central nervous system includes a current pulse preamplification unit and a unit for adjusting a value of an additional constant component. The current pulse preamplification unit is coupled via a switch to the current pulse duration adjusting unit of the device to produce the second level of the first stage of general electroanesthesia, or to the intermittent analgesia unit of the device to make it possible to anesthetize growing pain. The unit for adjusting the additional constant component value is connected to the power unit of the device. This permits the reduction of the impedance at the points where the electrodes are attached to the forehead …
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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 April 28, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 28, 1998.
- 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.