Apparatus and methods for occluding a hollow anatomical structure
CA 2508199 C · Owner: Williamson, Warren P. Iv · Inventors: Cosgrove, Delos M. Iii; Berky, Craig B.; Williamson, Warren P. Iv
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device (10) for occluding a hollow anatomical structure includes a clamp (12) having at least first and second clamping portions (12a 12B) adapted to be placed on opposite sides of the anatomical structure. At least one of the first and second clamping portions (12a 12b) is movable toward the other from an open position to a clamping or closed position to occlude the anatomical structure. The clamp (12) has an annular shape configured to surround the hollow anatomical structure in the open position and a flattened shape in the clamping position configured to occlude the hollow interior of the anatomical structure. The clamp (12) is preferably covered with fabric to promote tissue …
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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 May 25, 2005 and granted May 21, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 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.
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.