Bolus tip design for a multi-lumen catheter
CA 2389227 A1 · Owner: Belusko, Vincent J. · Inventors: Difiore, Attilio E.; Belusko, Vincent J.; Decant, Leonard J. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bolus tip (100) for a multi-lumen catheter (10) for simultaneous injection and withdrawal of fluids to and from a patient. The bolus tip (100) preferably made of silicone or polyurethane has a rounded elongate body , consisting of an interfacing section (105) and a nose section (140). The interfacing section (105) includes two separate channels (112 122) for fluid , flow. The first and second channels (112 122) run parallel to one another and , are separated by a dividing section (130). The first channel (112) opens to a first bolus U-shaped cavity (114) located between the interfacing section (105) and nose section (140). The second channel (122) can extend either through the nose …
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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 October 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 27, 2022.
- 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.