Removable vena cava filter comprising struts having axial bends
CA 2580786 C · Owner: William Cook Europe Aps · Inventors: Hendriksen, Per; Osborne, Thomas A.; Molgaard-Nielsen, Arne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A removable vena cava filter configured for simplified delivery to and retrieval , from the vena cava of a patient is disclosed. In one embodiment the filter , comprises a plurality of primary struts having first ends attached together along a longitudinal axis. The primary struts are movable between a closed state during delivery to the blood vessel and an open state when engaged with the blood vessel. Each primary strut comprises a first portion a second , portion, and an axial bend. The first portion extends from the first end and generally is disposed within a first portion plane intersecting the longitudinal , axis. The axial bend is oriented along a circumferential direction …
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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 27, 2005 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 27, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.