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Expired Canadian patentCanada

Stent retrieval member and devices and methods for retrieving or repositioning a stent

CA 2593817 C · Owner: Zupkofska, Michael · Inventors: Clerc, Claude O.; Zupkofska, Michael; Norton, Paul K.

CIPO record

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

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Abstract From the Canadian patent

An implantable stent includes a stent retrieval member (30) for repositioning or retrieval of the stent after it has been implanted into a bodily lumen. The stent includes a distensible tubular stent (10) having a tubular structure having a tubular wall (16) defined by an interior surface and an exterior surface and having opposed open ends (12,14) ; and a stent retrieval member (30) comprising an elongate member comprising a generally circular perimetric base (32) and a shaped projection (34) having first and second spaced apart members (36,38) extending acutely or perpendicularly from the base (32) and connected by an apical portion (40) . Force exerted on the shaped projection …

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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 January 27, 2006 and granted May 28, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 27, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 27, 2006
GrantedMay 28, 2013
Term endedJanuary 27, 2026
Patent numberCA 2593817 C
Classification (IPC)A61F2/90 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 27, 2006Patent grantedMay 28, 2013Term endedJan 27, 2026

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