Dilating catheter
CA 2127112 A1 · Owner: Boussignac, Georges · Inventors: Boussignac, Georges; Labrune, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dilating catheter for insertion into a body duct. The catheter includes an outer tubular member having a distal portion and a proximal portion wherein the distal portion has a radially deformable portion having a balloon and, on either side of said balloon, at least one opening communicating with said body duct and enabling the fluid in the duct to pass therethrough; an inner tubular member (1); and a microtube (7) having one end located inside the balloon while the other end is connected to a fluid supply for inflating and deflating said balloon. The balloon (2) includes an outer wall designed to contact the inner wall of the body duct in the operative position and an inner wall sealably …
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 January 14, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 14, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 14, 2015.
- 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.