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Expired Canadian patentCanada

Flow reducing implant

CA 2981561 C · Owner: Neovasc Medical Ltd. · Inventors: Darvish, Nissim; Ben Muvhar, Shmuel; Shalev, Ilan

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

A flow reducing implant which includes a flared section adapted to contact a blood vessel wall. The flow reducing implant also includes at least one narrowed section continuous with the flared section. The implant is defined by a sheet material with slots and wherein a width of the slots varies over the implant to control a geometry of the implant.

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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 October 3, 2002 and granted August 25, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 3, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 3, 2002
GrantedAugust 25, 2020
Term endedOctober 3, 2022
Patent numberCA 2981561 C
Classification (IPC)A61F2/06 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedOct 3, 2002Patent grantedAug 25, 2020Term endedOct 3, 2022

Sources & verification

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