Herein described are various embodiments of a support device (1) for stentless heart valve prostheses (V) including:- a shaft (2) defining a manipulation axis (X1),- a plurality of support formations (4) for a stentless heart valve prosthesis (V), and- a connection portion (6) flexibly connecting the shaft (2) and the support formations (4) to permit a displacement of the manipulation axis (X1, X1) with respect to the support formations (4), wherein the shaft (2), the plurality of support formations (4) and the connection portion (6) are formed in a single piece from a tubular element (T).
