Device for Breaking Cannulas of Hematic Sacs or Similar, and Corresponding Method

Device for breaking cannulas of sacs comprising a breaking head, and replaceable means for positioning and breaking a cannula which can be driven by the breaking head, wherein said replaceable means for positioning and breaking a cannula are associated to a plurality of mobile breaking pegs, wherein said breaking head is configured to make an alternate backward and forward movement, along an arched or curvilinear segment, or along a linear segment, of said mobile breaking pegs, and wherein the replaceable means for positioning and breaking a cannula comprise at least two fixed contrast pegs, wherein the replaceable means for positioning and breaking a cannula comprise a plurality of replaceable members for positioning and breaking a cannula, wherein at least the fixed contrast pegs and/or the mobile breaking pegs associated to at least one of said replaceable members for positioning and breaking a cannula are configured in a different way with respect to at least one other of said replaceable members for positioning and breaking a cannula.