Low-profile biological bicuspid valve
CA 1237557 A · Owner: Bosa S.P.A. · Inventors: Arpesella, Marco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a "biological" valve suitable for surgical treatment of cardiopathies, composed of a supporting ring having a diametrical element which functions as a support for the hinge of the two flaps which prevent flow through the device, designed in such a way that the angle formed by these in the resting position conditions both the height of the prosthesis as well as the mechanical behaviour of the aforementioned flaps.
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 June 7, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2005.
- 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.