Drug delivery device and method for bi-directional drug delivery
CA 2528166 C · Owner: Microport Cardiovascular Llc · Inventors: Shanley, John F.; Parker, Theodore L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drug delivery device is provided with openings for directional delivery of a plurality of therapeutic agents to blood vessels or other lumens or organs. In particular, the invention relates to the delivery of different therapeutic agents, different quantities of therapeutic agents or different release , profiles of the same or different therapeutic agents in different directions from the drug delivery device. The invention is useful for example, for , delivering antirestenotic antithrombotic, antiplatelet, antiproliferative antineoplastic, immunosuppressive, angiogenic anti~inflammatory, or , antiangiogenic agents and/or vasodilators to a blood vessel. In one embodiment, …
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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 2, 2004 and granted August 7, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 2, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 2, 2026.
- 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.