Surgical access device and manufacture thereof
CA 2484906 C · Owner: Wenchell, Thomas · Inventors: Moreno, Miquel A.; Gresham, Richard D.; Wenchell, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A surgical access system includes a tubular member defining a longitudinal axis and having an axial lumen. The tubular member includes a braided material adapted to expand from a first initial condition having a first cross- sectional dimension to a second expanded condition having a second-cross sectional dimension greater than the first cross-sectional dimension. The tubular member defines an oblique end surface. An access housing is mounted to the tubular member. The access housing is dimensioned for engagement by the user. A process for manufacturing a surgical access device is also disclosed.
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 October 15, 2004 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 15, 2024.
- 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.