Surgical fastener cartridge with improved body tissue cutting knife assembly
CA 2004767 C · Owner: United States Surgical Corporation · Inventors: Zvenyatsky, Boris; Isaacs, Jack L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1B-, A surgical fastener cartridge possesses an improved body tissue cutting knife assembly. The knife element of the assembly is held in permanent and irreversible locking engagement with a knife holder which is advantageously formed from a single piece of thermoplastic resin possessing two opposed sides joined through at least one flexible hinqe element.
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 December 6, 1989 and granted July 27, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 6, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 6, 2011.
- 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.