Support for a heart valve prosthesis
First Claim
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1. A support for a heart valve prosthesis, said support having a longitudinal axis, comprising:
- a hollow cylindrical structure having an annular reinforced region and first and second oppositely facing axial ends with respect to the longitudinal axis of the support;
a plurality of axially projecting support arms distributed over a circumference of said hollow cylindrical structure at the first axial end, each support arm having a wall thickness that narrows from the annular reinforced region towards a free end; and
a plurality of axially extending projections distributed over a circumference of said hollow cylindrical structure at the second axial end, each projection having a wall thickness that narrows from the annular reinforced region towards a free end, and an indentation being located between each projection.
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Abstract
A heart valve prothesis is formed from a support having a textile covering. The support is formed from a single piece of flat, preferably thermoplastic material, arranged to form an annular structure, which preferably is either a hollow cylinder or a hollow cone.
199 Citations
21 Claims
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1. A support for a heart valve prosthesis, said support having a longitudinal axis, comprising:
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a hollow cylindrical structure having an annular reinforced region and first and second oppositely facing axial ends with respect to the longitudinal axis of the support; a plurality of axially projecting support arms distributed over a circumference of said hollow cylindrical structure at the first axial end, each support arm having a wall thickness that narrows from the annular reinforced region towards a free end; and a plurality of axially extending projections distributed over a circumference of said hollow cylindrical structure at the second axial end, each projection having a wall thickness that narrows from the annular reinforced region towards a free end, and an indentation being located between each projection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
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Specification