Controlled separation heart valve frame
CA 2559524 C · Owner: Edwards Lifesciences Corporation · Inventors: Marquez, Salvador
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A highly flexible prosthetic heart valve having an internal leaflet support frame that is designed to separate into individual cusps after implantation. The leaflet support frame (or "stent" or "wireform") has a plurality of alternating cusps (26) on an inflow end and commissures (44) on an outflow end. The cusps of flexible leaflets attach around the support frame cusps. The support frame (40) provides structural rigidity during implantation but , each support frame commissure has a point of weakness (76) that is designed to fracture upon repeated relative movement of the cusps after implantation such that the support frame cusps separate. Because of the flexible nature of the …
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 March 24, 2005 and granted May 7, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 24, 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.