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 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 comprise at least two fixed contrast pegs, wherein the replaceable means includes a plurality of replaceable members, wherein at least the fixed contrast pegs and/or the mobile breaking pegs associated to at least one of said replaceable members are configured in a different way with respect to at least one other of said replaceable members,

• wherein each of the replaceable means includes a rotary carousel on which the mobile breaking pegs are disposed,
• wherein the mobile breaking pegs are positionable and replaceable with respect to the rotary carousel and/or are positionable and replaceable with respect to the combination formed by the rotary carousel and the mobile breaking pegs,
• wherein the rotary carousel has a lower part having a rapid connection portion configured to be inserted in a fork end of a connection element of a motor for kinematically connecting the motor to the replaceable means.