Intraaortic balloon catheter with blood feed passage formed therein for assisting circulation
CA 2238787 C · Owner: Watari, Masanobu · Inventors: Sueda, Taijiro; Fukunaga, Shintaro; Matsuura, Yuichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
When both the IABP and the PCPS are used they, exhibit an excellent circulation assisting effect. In this case however, sequela such as hypoxic, encephalopathy may well occur after the heart failure is remedied. The invention provides an intraaortic balloon catheter capable of preventing such sequela. The balloon catheter of the invention comprises a catheter main body part of which is to be inserted into an aorta, and a balloon section formed on an outer peripheral portion of the catheter main body to be, inserted into the aorta together with the main body and to be expandible and contractible in the aorta under the control of the IABP. An end portion of the catheter main body functions as …
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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 May 27, 1998 and granted August 13, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 27, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 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
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.