A device for the application of two components of fibrin adhesive at a treatment site comprising a support for syringes comprising two parallel cylindrical housings to receive corresponding syringes and a plunger connecting member, characterised in that the said syringe support comprises a passage for insertion of the said plunger connecting member, the said passage being located in the space defined between the cylindrical housings of the said syringe support, the said plunger connector having a zone with a suitable geometry to slide within the said passage and in that the transverse cross-section of the said passage of the syringe support has a maximum opening at the ends and a minimum opening in the central part.
