Balloon catheter
CA 2612135 C · Owner: Miyata, Akira · Inventors: Shizu, Yasunori; Tsutsui, Nobumasa; Shinkai, Tomoyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A balloon catheter capable of expanding the stenosed part of a blood vessel near a bent portion and capable of forming the shape of a balloon in a specific bent shape without performing delicate control. The balloon (5) of the balloon catheter (1) is molded in a shape having the bent portion beforehand. When the internal pressure of the balloon (5) is increased the , balloon is expanded so as to be formed in the bent shape provided at the time of molding. Since the bent shape is maintained even if the internal pressure of the balloon (5) is increased, the bent angle diameter, and length of the , balloon (5) are not changed according to a rise in the internal pressure of the balloon …
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 June 14, 2005 and granted November 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 14, 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.