Valve prosthesis for implantation in body channels
CA 2276527 A1 · Owner: Cribier, Alain · Inventors: Letac, Brice; Cribier, Alain
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is aimed to provide a valve prothesis (IV) especially used in case of aortic stenosis, which structure is capable of resisting the powerful recoil force and to stand the forceful balloon inflation performed to deploy the valve and to embed it in the aortic annulus. A valve prothesis (13) for implantation in a body channel according to the invention comprises a collapsible valvular structure (14) and an expandable frame (10 10') on which , said valvular structure (14) is mounted. The valvular structure (14) is composed of a valvular tissue compatible with the human body and blood the , valvular tissue being sufficiently supple and resistant to allow said valvular …
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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 December 31, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 31, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 31, 2019.
- 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.