Catheter with heat-fused balloon with waist
CA 2019886 A1 · Owner: Miraki, Manouchehr · Inventors: Diaz, Carmen; Miraki, Manouchehr
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is an everting balloon catheter in which the balloon has a waist at the desired eversion point to minimize the size of the distal tip of the catheter during insertion. Preferably the distal end of the outer body is bevelled and the waist is located just distal and radial to the tip of the outer body when the inner body is fully extended distal to the outer body. Usually the waist is formed by heat shrinking the balloon during manufacture, thus usually increasing balloon thickness at the waist. Also, in the disclosed invention the balloon is attached to the, outer catheter body via heat fusion. Generally the outer body, and the balloon are both formed of compositions having at …
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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 June 26, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2012.
- 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.