Device for hyperthermia
CA 1255757 A · Owner: Kureha Kagaku Kogyo Kabushiki Kaisha · Inventors: Inokuchi, Kiyoshi; Kai, Hidenobu; Sugimachi, Keizo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endotract electrode for use in a device for radio-frequency hyperthermia, which is adapted to be disposed in a tract organ of a living body; it comprises a flexible electrode element for producing a spatially inhomogeneous radio-frequency electric field and a flexible bag-like member adapted to be fitted on an inner surface of the tract organ and surrounding the flexible electrode element. A flexible tube serves to introduce and discharge a cooling liquid into and out of an inside of the flexible bag-like member.
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
- Granted June 13, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 13, 2006.
- 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.