Systems and methods for assembling components of a fabric-covered prosthetic heart valve
CA 2609988 C · Owner: Chambers, Freeman G. · Inventors: Chambers, Freeman G.; Zysman, Lawrence J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for assembling a prosthetic heart valve including a , procedure for tightly wrapping fabric (40) around a heart valve support stent (18) . The support stent (42) typically includes alternating cusps (44) and commissures (46) that create a highly contoured undulating outflow edge (48) . The system includes a mandrel (60) for retaining tension without manual assistance in a tubular length of fabric wrapped over the support stent (18) . The mandrel (60) may include an inner clamping mechanism (76) for holding the first end of the fabric tube (62) , a pedestal tube (66) on which the support stent (18) rests and through which the fabric tube passes and an outer , …
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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 6, 2006 and granted November 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.