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Expired Canadian patentCanada

Methods and devices for conduit occlusion

CA 2556747 C · Owner: Marcus, Jeffrey A. · Inventors: Williams, Stephen N.; Lee-Sepsick, Kathy; Marcus, Jeffrey A.

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Abstract From the Canadian patent

The present invention comprises systems methods and devices for the delivery , of compositions for occluding or of means for opening conduits. The implantable occlusive material may be delivered pre-formed or in situ cured and, may be a resorbable material that supports tissue ingrowth that eventually replaces the material leaving little or no original material in place. The delivery system is positioned to allow for placement of the occlusive material into the body conduit. Use of delivery systems methods and , devices for re-opening an occluded body conduit are also included.

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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 February 25, 2005 and granted July 30, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 25, 2025.
  • 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.
FiledFebruary 25, 2005
GrantedJuly 30, 2013
Term endedFebruary 25, 2025
Patent numberCA 2556747 C
Classification (IPC)A61F6/22 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 25, 2005Patent grantedJuly 30, 2013Term endedFeb 25, 2025

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