Multi-stage expandable stent-graft
CA 2494662 A1 · Owner: Gore Enterprise Holdings, Inc. · Inventors: Vonesh, Michael J.; Salzmann, Dennis L.; Cully, Edward H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved device for use in a conduit such as a blood vessel, is provided. , The device uniquely combines desirable properties from two distinct previous devices. The device of the present invention assumes and is constrained to a first diametrical, dimension for insertion into the conduit. Once inserted and properly positioned in the, conduit the device expands to a second diametrical dimension within the conduit, when the constraint is removed. The device can then be dilated to one or more enlarged third diametrical dimensions by using a balloon catheter or similar device. The result is a device that provides desirable properties of both self expanding stems, 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 December 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2021.
- 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.