Metallic coils enlaced with biological or biodegradable or synthetic polymers or fibers for embolization of a body cavity
CA 2567331 C · Owner: Microtherapeutics, Inc. · Inventors: Mccarthy, Thomas; Strauss, Brian; Wilder, Tom
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vaso-occlusive coils comprising fibers. The vaso-occlusive coil (12) can be a helical coil or a double helix made of biocompatible metal wire whereas the fibers (14, 16, 18, 28) are enlaced between at least a winding of the coil (12) and are made of polymeric materials like copolymers of glycolic/lactic acid. The fibers (14, 16, 18, 28) or the coil (12) can be coated with a bioactive material. The device (10) can comprise a stretch-resistant member and can be radio-opaque.
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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 23, 2005 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 23, 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
Timeline From CIPO dates
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.