Prosthetic mitral heart valve
CA 2258967 A1 · Owner: Adiam Medizintechnik Gmbh & Co. Kg · Inventors: Jansen, Josef
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mitral valve prosthesis consists of a support housing (stent) with a large base ring that bears two stays which substantially extend in the ring axis direction and are connected by curved walls for securing two flexible cusps. The free ends of the stays form an inner support for the cusps. In order to avoid a possible mutual interference between the heart and valve functions the base ring (12) has in the top view a closed non-round shape with a common , longitudinal axis (15) but two transverse half-axis (16 17) of different , sizes. The stays (18 19) lie on the longitudinal axis (15) and form the transition between the two halves of the valve. The less curved wall (13) carries 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 June 18, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 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.