<p>Infusor device for medicinal liquids and the like, comprising a frame (2) with which at least one tank (3) of medicinal liquid, syringe-operated infusion means (4) of the liquid selectively communicating with said tank (3) and at least one linear actuator (5) of said syringe-operated infusion means (4) are associated, characterised in that said linear actuator (5) is supported by said frame (2) through floating coupling means (7) to recover the axial clearances.</p>
