Non-foreshortening intraluminal prosthesis
CA 2537983 A1 · Owner: Iyer, Sriram S. · Inventors: Roubin, Gary S.; White, Geoffrey Hamilton; Vidal, Claude A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intraluminal prosthesis (40) is provided with a plurality of annular elements. Each annular element includes a plurality of struts (42, 44) and apices (46) connected to form an annular configuration. Each annular element has a compressed state and an expanded state and, has a longitudinal dimension which is smaller in the expanded state than in the compressed state. A plurality of connecting members (48) connect the apices of adjacent annular elements. The connecting members have a plurality of alternating segments that function to compensate for the smaller longitudinal dimension of each annular element in the expanded state. The stent may be provided with varying flexibility along its …
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 February 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 4, 2020.
- 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.