Linearly expandable ureteral stent
CA 2504150 A1 · Owner: Boston Scientific Limited · Inventors: Gellman, Barry N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A ureteral stent including an elongated member defining a lumen the member , having a solid sidewall defining a spiral-shaped opening such that the member is linearly expandable along a longitudinal axis of the lumen. A distal retention structure is connected to a distal end of the elongated member for retention in a kidney. A proximal retention structure is connected to a proximal end of the elongated member for retention in a bladder.
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 28, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 28, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 28, 2025.
- 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.