Method and apparatus for testing of circumferentially compliant bioprosthetic valve
CA 2115767 A1 · Owner: Capps, Mark J. · Inventors: Eberhardt, Carol E.; Salazar, Luis; Capps, Mark J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fixture for testing a circumferentially compliant bioprosthetic valve (14). The fixture comprises a silicone rubber simulated aorta (10) which approximates the geometry of a healthy human aorta and a cradle for the aorta. The compliance characteristics of the aorta (10) can be selected by varying the proportions of ingredients in the silicone rubber, so that simulated aortas (10) of different compliance but identical geometries can be provided. The compliant valve (14) is disposed inside the aorta (10) and held in place by suturing or the like. In one embodiment the aorta, (10) and valve (14) are supported by means of a cylindrical cradle (22), with the inflow and outflow ends of the …
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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 30, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 30, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 30, 2015.
- 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.