Medical device for transcatheter heart valve repair comprising a grasping tweezer (1) and a plicating tweezer (2) said grasping tweezer (1) being adapted to grasp a leaflet rim (3) and said plicating tweezer (2) comprising two rotatable flaps (4 5) and a central shaft (6) around which said flaps (4 5) may rotate in a butterfly manner in such a way that the plicating tweezer (2) may adopt a closed or an open configuration. The invention also relates to a method for using this medical device.