Surgical staple
CA 2421950 A1 · Owner: Martin, Chris · Inventors: Morris, Sean; Anthony, Thomas R.; Cummins, Christy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical stapler comprises a hollow shaft (10) and a tube (92) slidable axially within the shaft between a forward position wherein one end (96) of the tube projects beyond a free end of the shaft to enter a puncture site in a blood vessel and a rearward position wherein the end of the locator tube is retracted within the shaft. A surgical staple (40) straddles the tube (92) and is slidable thereon forwardly towards an anvil (92) against which the staple may be deformed to staple together the opposite edges of the puncture site. A cam mechanism drives the staple forwardly alona the tube (92) into deforming engagement with the anvil and at the same time retracts the tube into the …
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 September 7, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 7, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 7, 2023.
- 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.