Prosthetic heart valve square leaflet-leaflet stitch
First Claim
Patent Images
1. A prosthetic heart valve comprising at least two leaflets being secured together along aligned edges thereof by a stitch of a single thread, the stitch comprising at least one loop extending through a first aperture, around the aligned edges, and back through the first apertures;
- wherein each leaflet has a body portion and two opposite sleeve portions, the body portion being defined by a bottom edge and two side edges adjacent each sleeve portion, wherein each of the at least two leaflets are aligned and stitched along a first side edge.
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Abstract
A prosthetic heart valve provided herein can include at least two leaflets being secured together along aligned edges thereof by a stitch of a single thread. The stitch includes at least one loop extending through a first aperture, around the aligned edges, and back through the first aperture.
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Citations
18 Claims
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1. A prosthetic heart valve comprising at least two leaflets being secured together along aligned edges thereof by a stitch of a single thread, the stitch comprising at least one loop extending through a first aperture, around the aligned edges, and back through the first apertures;
wherein each leaflet has a body portion and two opposite sleeve portions, the body portion being defined by a bottom edge and two side edges adjacent each sleeve portion, wherein each of the at least two leaflets are aligned and stitched along a first side edge. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A prosthetic heart valve comprising:
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at least three leaflets secured together along side edges thereof by a stitch of a single thread; a tubular expandable member secured to an out flow end of the at least three leaflets; and a tubular seal secured to an inflow end bottom edge of the at least three leaflets and to an outer surface of the tubular expandable member; wherein the stitch is formed using between 3 and 20 apertures and includes between 3 and 40 loops each extending from an aperture, around the aligned side edges, and back to that aperture. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A prosthetic heart valve comprising:
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at least three leaflets secured together along side edges thereof by a stitch of a single thread, at least one leaflet being secured to at least a second leaflet by a running stitch, the running stitch being a square stitch; a tubular expandable member secured to an out flow end of the at least three leaflets; and a tubular seal secured to an inflow end bottom edge of the at least three leaflets and to an outer surface of the tubular expandable member.
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Specification