The present invention is related to a technique for simultaneously forming a plurality of paste filled tunnels. The plurality of paste filled tunnels are connected to a surgical tube directly or indirectly and emptied one after another until a desired amount of the paste is injected into a bone cavity organ or a tissue via the surgical tube. The paste may be a bone cement paste a drug powder paste viscous fluid or gel. The injected bone cement paste will set in the bone cavity to act as a medical implant.
