Catheter system for surgical access and circulatory support of the heart
CA 2251834 A1 · Owner: Macoviak, John A. · Inventors: Macoviak, John A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Described is a closed chest intravascular catheter system for a simultaneous biventricular approach to: 1) intravascular cardiopulmonary surgery and 2) acute or prolonged mechanical circulatory support. The catheter system includes a left heart catheter and a right heart catheter with expandable members which segment the circulatory system into subcirculations of cardiopulmonary support. The left heart catheter has an elongated shaft with a first expandable member positioned at the entry site into a peripheral artery a second expandable member positioned in the proximal descending aorta a , third expandable member positioned in the ascending aorta and a fourth , expandable member …
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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 April 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 16, 2019.
- 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.