Soft tissue stapling buttress
CA 2218894 C · Owner: Cooper, Joel · Inventors: Winegar-Hentges, Sally L.; Cooper, Joel; Teich, Kristine M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
To reinforce a line of surgical staples in host tissue, a strip of xenogeneic or autogenic tissue such as, cross-linked pericardium or dura mater harvested from horses cows, pigs, sheep and humans, is appropriately adhered to the apposed surfaces of a staple cartridge supporting jaw and an anvil jaw of a surgical staple gun so that when tissue to be excised is positioned between the jaws and the staple gun is fired, the staples will penetrate the two layers of animal tissue and the intervening host tissue. Actuation of the cutting blade on the stapler or the use of a separate cutting instrument severs the tissue and the two layers of animal tissue along the staple line. When used in …
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 January 9, 1995 and granted August 10, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 9, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2017.
- 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.