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US 8,778,020 B2Granted
Replacement heart valve leaflet stitching method and device
AssigneeBoston Scientific Scimed, Inc.
InventorsPeter W. Gregg, Daniel K. Hildebrand
Life of this patent
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Abstract
A replacement heart valve and stitching method for reducing the unexpanded profile of the replacement heart valve are herein provided. The method includes whip stitching a plurality of leaflets together with a first whip stitch pattern a second whip stitch pattern which overlaps the first whip stitch pattern and is wound in an opposite direction. The method further involves securing the valve leaflets to one another via a running stitch.
Claims13
A method of forming a replacement heart valve, the method comprising:
- providing a plurality of valve leaflets, each leaflet having a side edge;
- positioning two of the valve leaflets in facing orientation such that side edges of the leaflets are aligned;
- providing a first thread of suture material;
- threading the first thread of suture material through the two valve leaflets in a first pattern of whip stitches;
- threading the first thread of suture material through the two valve leaflets in a second pattern of whip stitches, wherein the first pattern of whip stitches is threaded in a first direction and the second pattern of whip stitches is threaded in a second direction opposite the first direction;
- providing a second thread of suture material;
- threading the second thread of suture material through the two valve leaflets in a first running stitch, the first running stitch being parallel to the side edges;
- and
- threading the second thread of suture material through the two valve leaflets in a second running stitch, the second running stitch being parallel to the side edges.
6 more elements
Dependencies are inferred from the claim text.