Gastric ring made of variable hardness elastomeric material
CA 2472425 A1 · Owner: Compagnie Europeenne D'Etude Et De Recherche De Dispositifs Pour L'Impla Ntation Par Laparoscopie · Inventors: Benchetrit, Salomon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a gastric ring (1) consisting of a flexible strip designed to be closed by closure means around a patient's stomach said strip , comprising an annular compression chamber (7) connected by a catheter (9) to a device for adjusting the diameter of the said chamber by fluid injection or withdrawal, said chamber comprising a dorsal reinforcement (12) extended by lateral walls (13), the dorsal reinforcement (12) being made from a first elastomeric material having a predetermined Shore A hardness d1 and the lateral walls (13) being made of a second elastomeric material of the same type as the first material but with predetermined Shore A hardness d2 such , that d2<d1, …
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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 November 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 15, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 15, 2024.
- 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.