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Expired Canadian patentCanada

Electrohydraulic assist device

CA 2105908 C · Owner: Mussivand, Tofy · Inventors: Mussivand, Tofy

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 is directed to a system for a totally implantable circulatory device which, combines the following components into a single integrated system: an actuation means for, convertng energy into a pulsating blood flow a volume displacement chamber , for storage of a volume displacement mediums during the diastolic phase of the blood chamber control, electronics for the control and monitoring of the device and a blood camber , with ports, equipped with one-way valves to ensure unidirectional flow of blood from the natural heart, through the blood chamber to the systemic and / or pulmonary circulation systems. The, integrated system is totally implantable within the chest cavity …

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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

  • Filed September 10, 1993 and granted January 28, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 10, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 10, 1993
GrantedJanuary 28, 2003
Term endedSeptember 10, 2013
Patent numberCA 2105908 C
Classification (IPC)A61M1/10 +1 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedSep 10, 1993Patent grantedJan 28, 2003Term endedSep 10, 2013

Sources & verification

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