Catheter shaft with undulating surface for reduced friction
CA 2541187 C · Owner: Hand Innovations Llc · Inventors: Sherman, Darren R.; Slazas, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vascular catheter which comprises a catheter shaft said catheter defining a first surface which is of undulating shape with a plurality of curved peaks said peaks being spaced so that a second surface in contact with the first surface is spaced from at least a substantial portion of the first surface to reduce friction of the catheter.
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 March 29, 2006 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2026.
- 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.