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Expired Canadian patentCanada

Quick-connect, totally implantable cardiac prosthesis with floating membranes and removable sensitive elements

CA 1329450 C · Owner: Carpentier, Alain · Inventors: Carpentier, Alain

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

This invention relates to an implantable cardiac prosthesis constituted by a quick-connect one-piece, module comprising two ventricular chambers rendered, biological, independent and activated separately each being provided with two orifices provided with valves, one of the orifices serving for ejection and the other for inlet of the blood, and with a separate activation and regulation device constituted by an electro-mechanical member actuating a pair of membranes, characterized in that the first membrane is a mechanical membrane actuated by a piston or a transmission fluid pressurized by means of said electro-mechanical member, and the second membrane, in contact with the blood, is a …

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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

  • Granted May 17, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 17, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 16, 1989
GrantedMay 17, 1994
Term endedMay 17, 2011
Patent numberCA 1329450 C
Classification (IPC)A61N1/37 +2 more

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedJan 16, 1989Patent grantedMay 17, 1994Term endedMay 17, 2011

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.