Catheter system and method for injection of a liquid embolic composition and a solidification agent
CA 2306992 A1 · Owner: Greff, Richard J. · Inventors: Greff, Richard J.; Walker, Blair; Pecor, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A catheter according to the present invention includes a multiple lumen catheter (10) for delivery of a liquid embolic composition through a first lumen, and delivery of a solidification agent through a second lumen. The catheter allows adjustment of the relative longitudinal position of the two lumens to control the solidification of the embolic composition within a blood vessel. The multiple lumen catheter system (10) is used by inserting the catheter endo-vascularly into an aneurysm site and injecting a liquid embolic , composition through the first lumen while injecting a solidification agent through the second lumen to wash the area of the aneurysm of blood which has become …
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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 September 23, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 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
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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.