Heart valve assembly and methods for using them
CA 2552646 C · Owner: Gurskis, Donnell W. · Inventors: Gurskis, Donnell W.; Drews, Michael J.; Bacich, Steven R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heart valve assembly includes a base (12) including a multi-lobular annular shape within a plane, a valve member or other annular body (14) including a multi-lobular shape complementary to the shape of the base and cooperating , connectors (24) on the base and the annular body for connecting the annular body to the base. The base includes an anchoring ring (18) and a flexible , cuff (20) for attaching the base to a biological annulus. The base and the annular body include guides for aligning their multi-lobular shapes e.g. visual, tactile, or other markers or tethers (50) that extend from the base that are slidable through the annular body. During use the base is attached , to 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 24, 2005 and granted September 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 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.