A coupling device (400), set to be linked to an interventional delivery system (100), for coupling and releasing a medical implant (170). The coupling device comprises a generally tubular channel (405) sized and shaped to be conducted in an intravascular catheter and a pivot (410) extended in and along the generally tubular channel and having a distal end comprising a lower surface (430) for applying pushing force a medical implant and an upper surface (425), mounted above the lower generally tubular surface and having at least one niche (445) for receiving at least one anchoring element (435) of the medical element so that a tip of each the anchoring element is placed between the lower and upper surfaces.
