Transcatheter valve having reduced seam exposure
First Claim
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1. A method of manufacturing a valve prosthesis comprising:
- providing an expandable frame having a longitudinal axis and an inflow end, and comprising a plurality of cells;
providing a valve body comprising a skirt having a bottom edge;
sewing the bottom edge to the inflow end of the frame;
providing the skirt with a plurality of leaflets attached along a joint curved to have upper and lower portions as a whole, in which adjacent joints come together in the upper portion, and an apex of a curve lies in the lower portion; and
providing the skirt with at least one side seam extending only between the lower portion of the joint and the bottom edge of the skirt.
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Accused Products
Abstract
A transcatheter valve having an expandable frame and a collapsible multi-portion skirt within the frame are provided with seams between the portions of the skirt that are located to cooperate with features of the frame and thereby reduce the exposure of the seams.
3 Citations
8 Claims
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1. A method of manufacturing a valve prosthesis comprising:
providing an expandable frame having a longitudinal axis and an inflow end, and comprising a plurality of cells;
providing a valve body comprising a skirt having a bottom edge;
sewing the bottom edge to the inflow end of the frame;
providing the skirt with a plurality of leaflets attached along a joint curved to have upper and lower portions as a whole, in which adjacent joints come together in the upper portion, and an apex of a curve lies in the lower portion; and
providing the skirt with at least one side seam extending only between the lower portion of the joint and the bottom edge of the skirt.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
Specification