Living hinge attachment of leaflet to a valve body
First Claim
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1. A prosthetic heart valve comprising:
- a valve body having a plurality of leaflet supports;
a plurality of flexible leaflets;
each leaflet support having a first thickness and a reduced thickness portion which is less than the first thickness;
each leaflet connected to a respective leaflet support and having a second thickness which is less than the first thickness; and
a living hinge integrally formed with each leaflet support and each leaflet, the living, hinge being a cantilevered member which includes a first portion connected to the reduced thickness portion of the leaflet support, the first portion having a thickness substantially the same as the reduced thickness portion of the leaflet support, and further including a second portion connected to the leaflet, the second portion having a thickness substantially the same as the second thickness of the leaflet.
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Accused Products
Abstract
A valve including a living hinge coupling a leaflet to a valve body. The leaflet can be coupled through the living hinge to the valve body'"'"'s inner diameter, its outer diameter, or somewhere between the two diameters. Because the living hinge design of the valve is an integrated part, it can be manufactured in a single step.
198 Citations
5 Claims
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1. A prosthetic heart valve comprising:
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a valve body having a plurality of leaflet supports; a plurality of flexible leaflets; each leaflet support having a first thickness and a reduced thickness portion which is less than the first thickness; each leaflet connected to a respective leaflet support and having a second thickness which is less than the first thickness; and a living hinge integrally formed with each leaflet support and each leaflet, the living, hinge being a cantilevered member which includes a first portion connected to the reduced thickness portion of the leaflet support, the first portion having a thickness substantially the same as the reduced thickness portion of the leaflet support, and further including a second portion connected to the leaflet, the second portion having a thickness substantially the same as the second thickness of the leaflet. - View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeCorcym SRL (LivaNova Plc)
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Original AssigneeSulzer Carbomedics Inc. (Zimmer Biomet Holdings, Inc.)
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InventorsMoe, Riyad E.
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Primary Examiner(s)Yu, Mickey
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Assistant Examiner(s)STEWART, ALVIN J
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Application NumberUS09/103,483Time in Patent Office811 DaysField of Search623/2, 623/66, 623/900US Class Current623/2.12CPC Class CodesA61F 2/2412 with soft flexible valve me...
