Surgical instrument for ablation and aspiration
CA 2386763 A1 · Owner: Stewart, Daren L. · Inventors: Sharkey, Hugh R.; Strul, Bruno; Reyes, Ramiro L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrosurgical aspiration instrument (10) that permits aspiration of an area being treated by the instrument. The instrument is coupled at a proximal end (14) to a power source and includes an energy application surface area at a distal end (12). The power source supplied energy to the energy application surface area such that the distal end (12) of the instrument (10) may apply energy to the treatment area to modify the characteristics of biological material, such as biological tissue in the area. An aspiration lumen (50) is formed through the instrument (10) with an opening (25) through the energy application surface area. The energy application surface area is configured to …
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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 October 5, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 5, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 5, 2022.
- 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.