Volumetric grafts for treatment of fistulae and related methods and systems
CA 2833585 C · Owner: Cook Biotech Incorporated · Inventors: Fette, Clay D.; Obermiller, F. Joseph; Hiles, Michael C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a medical graft product for the treatment of an anorectal fistula comprising: an elongate plug having a proximal end a distal end, and a volumetric body, wherein the plug comprises a bioremodelable extracellular matrix sponge form material that is adapted for deployment within at least one anorectal fistula. The invention also provides a graft construct, comprising: a compressible foam comprising an extracellular matrix material that has been treated with an alkaline substance under conditions effective to produce an expanded extracellular matrix material and a method of preparation thereof.
Read the whole patent
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 April 29, 2006 and granted June 20, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 29, 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.
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.