Cooled rf ablation needle
CA 2521267 C · Owner: Peterson, Darion · Inventors: Peterson, Darion
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An ablation system includes an ablation electrode assembly operatively connectable to sources of electrosurgical energy and cooling fluid. The electrode assembly includes a hub defining a chamber therein; at least one electrically conductive ablation needle extending from the hub the ablation needle including a distal end portion configured to penetrate tissue said distal end portion being electrically and thermally conductive for establishing electric and thermal communication with the tissue; a heat sink operatively connected to the ablation needle the heat sink being connected to the ablation needle to draw energy away from at least the distal end portion thereof the heat sink including …
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 September 27, 2005 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 27, 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.
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.