Apparatus for the treatment of tumors
CA 2449170 A1 · Owner: Schonfeld, Andreas · Inventors: Schonfeld, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for treating tumours (1) said device , comprising a generator (5) having at least one current source and at least , two needle-shaped electrodes (6 7, 8, 6', 7', 8') by which means currents can be conducted into the tumour (1) and out of the tumour (1). The inventive device is characterised in that a control system is provided by which means , the currents can be respectively limited to a maximum value by each electrode (6, 7, 8, 6', 7', 8').
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 March 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 2024.
- 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.