Stent
CA 2436642 A1 · Owner: Kaneka Corporation · Inventors: Maeda, Hiromi; Miki, Shogo; Nakano, Ryoji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stent having a flexibility in axial direction before expansion causing no , contraction of the length thereof in axial direction during expansion having , a very large resistance against a force to contract a blood vessel after expansion, capable of uniformly expanding the strut thereof and preventing , such a problem that, when expanded both end parts thereof are warped upward into a diameter larger than that of the center part thereof wherein the size , of basic cells forming the stent is refined to suppress the extrusion of the endothelial cells of a tubular organization to the inside of the stent whereby the stent allowing a Y-stent to a branch blood vessel while maintaining a …
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 January 31, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 31, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2024.
- 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.