Flow arrest, double balloon technique for occluding aneurysms or blood vessels
CA 2326504 A1 · Owner: Kallmes, David Forest · Inventors: Kallmes, David Forest; Helm, Gregory Anthony; Hankins, Gerald Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for occluding aneurysms or peripheral blood vessels is provided which follows for isovolumetric, isobaric delivery of occluding agents to aneurysms or peripheral blood vessels, wherein the aneurysms or peripheral blood vessels are isolated from the general circulation until the occluding agent has stabilized or until occlusion is effected. In particular a double balloon , method for occluding aneurysms or peripheral blood vessels is disclosed wherein a first balloon (1) is inserted into the aneurysm (7) or peripheral blood vessel to deliver an occluding agent and a second balloon (9) is placed , such that it substantially covers the neck of the aneurysm or peripheral blood …
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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 March 30, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 30, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 30, 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.