US Patent 8007164 Mixing tip

For easier and surer fixing to a syringe holder, a mixing tip fixed at two portions of a top end of a syringe holder (X) containing two parallel syringes (Y, Y) comprising: a housing (2) including a mixing element (1); a paste guiding member (3) including paste inlets (3a) attached to nozzles of two syringes (Y, Y), and flow paths (3b) to introduce pastes extruded from the syringes into the housing (2) through the paste inlets (3a); and two locking members fixed at or integrally formed with the paste guiding member (3) or the housing (2) to be locked to the syringe holder (X), wherein the two locking members are a pawl part (4) locked with a locking hole (Xa) formed at the syringe holder (X) and a projection part (5) inserted into a hole part (Xb) provided at the syringe holder (X), or two pawl parts (4, 4).