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Expired Canadian patentCanada

Method for administering thermotherapy to prevent the growth of tumors

CA 2498166 C · Owner: Celsion Corporation · Inventors: Fenn, Alan J.; Mon, John

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Abstract From the Canadian patent

In order to reduce blood flow thereby accumulating additional equivalent thermal dose following the step of heating an organ or appendage by irradiating microwaves at the organ or appendage the step of compressing the , organ or aplpendage following the heating step is added to thertherapy treatment. In a preferred embodiment, the organ is the prostate and periodic prostate compression is employed to reduce the prostate blood flow thereby allowing chemotherapy, thermosensitive liposome-encapsulated chemotherapy or , gene therapy to accumulate in the prostate region during thermotherapy. Doppler ultrasound imaging may be used to measure tumor blood flow rate and then serve as …

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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 September 16, 2003 and granted June 2, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 16, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 16, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 16, 2003
GrantedJune 2, 2015
Term endedSeptember 16, 2023
Patent numberCA 2498166 C
Classification (IPC)A61B18/00 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedSep 16, 2003Patent grantedJune 2, 2015Term endedSep 16, 2023

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.