Sutureless cardiac valve prosthesis, and devices and methods for implanting them
CA 2331358 A1 · Owner: Axya Medical, Inc. · Inventors: Fenton, Paul V. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prosthetic cardiac valve assembly (10) for sutureless implantation in a patient. The assembly (10) includes a generally disk-shaped valve annulus element (12), and one or more generally disk-shaped retainer elements (16). The elements (12, 16) are adapted for mutual engagement and for engagement , with a host tissue region (18) so as to fix a portion of the host tissue (18) between them in a sutureless bond. Ultrasonic or thermal energy is applied to one or more of the elements to bond them together. Either the valve annulus element (12) or the retainer element (16) includes a plurality of projections (20), and the corresponding element includes a corresponding plurality of …
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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 April 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 13, 2021.
- 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.