Two-leaflet prosthetic heart valve
CA 1294740 C · Owner: Sorin Biomedica Cardio S.P.A. · Inventors: Vallana, Franco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prosthetic heart valve (valve) composed of a base ring adapted to house a suture ring in its exterior and two leaflets arranged to assume an open position and a closed position in order to regulate the blood flow in one direction, wherein the base ring is provided with two recesses with curved surfaces situated in diametrally opposite positions. Each of the recesses communicates with the exterior through a chimney-like aperture formed in the body of the base ring in correspondence with the recess. Each of the curved recesses has a pseudo-flat surface bounding its upper part and two spherical bottom surfaces in its lower part, separated by a separator body essentially in the shape of 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
- Granted January 28, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 28, 2009.
- 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.