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Expired Canadian patentCanada

Bipolar electrosurgical system

CA 2583665 C · Owner: Leung, Mark · Inventors: Chandran, Subashini; Shah, Krishan; Conquergood, Laura

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Abstract From the Canadian patent

A novel medical probe assembly, system and methods for the use thereof to , treat tissue are described. The system optionally comprises an energy source two probe assemblies, and one or more cooling devices to provide cooling to at least one of the probe assemblies. The probe assemblies may be configured in a bipolar mode, whereby current flows preferentially between the probe assemblies. The probe assemblies and system described herein are particularly useful to deliver radio frequency energy to a patient~s body. RF energy delivery may be used for various applications including the treatment of , pain, tumor ablation and cardiac ablation.

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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 August 25, 2005 and granted January 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 25, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 25, 2005
GrantedJanuary 15, 2013
Term endedAugust 25, 2025
Patent numberCA 2583665 C
Classification (IPC)A61B18/14 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedAug 25, 2005Patent grantedJan 15, 2013Term endedAug 25, 2025

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