Surgical stapling device
CA 2456813 A1 · Owner: Cummins, Christy · Inventors: Hooi, Paul; Cummins, Christy; Anthony, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical stapling device comprises a shaft 10 a surgical staple 14 slidable , longitudinally within the shaft and a staple-firing mechanism 16, 24 for driving the staple towards the forward end of the housing bending the staple , to bring the free ends of the legs towards one another to close the staple and releasing the closed staple. The device also includes a blood locator tube 18 slidable longitudinally within the shaft between an initial extended position wherein a forward end of the tube projects beyond the forward end of the shaft to enter a puncture site in a liquid- carrying vessel in a human or animal, thereby to locate the forward end of the shaft at the puncture site and …
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 August 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2024.
- 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.