Heart valve
CA 1285707 C · Owner: SõRENSEN, H. RAHBEK · Inventors: SõRENSEN, H. RAHBEK; WõIEN, ARNE
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Bileaflet biconical heart valve which duplicates the hemodynamics of a natural heart valve in the human heart where tips of biconical halves of the heart valve pivot outwardly in a manner representing that of natural heart valve tissue. In one embodiment of the present invention, biconical halves move about outflow pivots while in two other embodiments the biconical, halves pivot on outflow pivots where each biconical half pivots about or on two spaced pivots extending inwardly from an orifice ring at adjacent lower ends of each biconical half.
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 July 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2008.
- 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.