Methods of heart valve repair
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United States of America Patent
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-
Feb 10, 1998
Grant Date -
N/A
app pub date -
Oct 6, 1995
filing date -
Oct 6, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method for repairing a heart valve comprising steps of sizing an annulus of a heart; harvesting tissue; cutting a trefoil pattern matched to the size of the annulus from the harvested tissue; forming a valve having at least one leaflet from said trefoil pattern, where the valve has a base with an edge portion of tissue extending around an outer periphery thereof; and suturing the edge portion to the exposed annulus; also disclosed is a method of repairing a heart valve comprising steps of: sizing an annulus of a heart at a repair site; harvesting tissue; cutting a trefoil pattern from the harvested tissue specific to the size of the annulus; providing first and second formers which are specific to the size of the annulus of the valve, forming a tri-leaflet valve from said trefoil pattern by engaging blades of said first former to corresponding blades of said second former with said trefoil pattern sandwiched therebetween; exposing an edge portion of tissue extending around an outer periphery of a base of the valve; moving the formers with the trefoil pattern sandwiched therebetween to a position which is proximate to the repair site; suturing the exposed edge portion to the annulus; and withdrawing the formers from the repair site.
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