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1. A kit comprising an implant delivery catheter for repairing a defective heart valve and an annuloplasty implant, wherein the implant delivery catheter comprises: a first part configured to be arranged on a ventricular side of the heart valve, wherein the first part is configured to form a first curve around chordae of the heart valve on the ventricular side and a second part configured to be arranged on an atrial side of the heart valve, wherein the second part is configured to form a second curve along an annulus of the heart valve on the atrial side so that the first curve and the second curve form a helix shape with two continuously connected loops, on opposite sides of the heart valve, being connected through a commissure of the heart valve; wherein the annuloplasty implant is configured to be arranged in the delivery catheter and to be ejected from the delivery catheter while retracting the delivery catheter such that the implant is arranged along the first and second curve on the ventricular and atrial side when retracting the delivery catheter; wherein the annuloplasty implant has a predefined ring-shape having a curvature corresponding substantially to the first and second curve such that, when ejected from the delivery catheter, the annuloplasty implant is arranged along the first and second curve; and wherein the predefined ring-shape is a helix-shaped ring, whereby a first support ring of the helix-shaped ring is positioned on the atrial side and a second support ring of the helix-shaped ring is positioned on the opposite ventricular side when ejected from the delivery catheter, whereby leaflets of the heart valve are pinched between the first and second support rings.
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