Catheter having flexible distal region for deflecting axial forces
CA 2327463 A1 · Owner: Simpson, John A. · Inventors: Simpson, John A.; Bowe, Wade A.; Hayzelden, Robert C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter having a preformed distal shape for positioning a plurality of electrodes at a selected biological site includes a sheath having a preformed bend in the distal end region to distribute axial forces applied in the , distal direction, to the distal end region over a surface area of the distal end region proximal the distal tip. Also included in the catheter sheath is a stylet formed of a material capable of retaining a shape with the distal end of the stylet shaped in the preformed bend. Preferably the preformed bend is , approximately 45 degrees. Axial forces applied to the catheter are deflected to cause bowing of the catheter so that a larger surface area of the catheter …
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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 April 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2021.
- 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.