Abstract: An injector device for percutaneously injecting biomaterial in the form of particles of different sizes or in the form of paste includes a trocar (12) of generally cylindrical shape presenting a open first end with a sharp edge, the wall of the first end presenting at least one orifice (36, 38) for passing the biomaterial, and a second end (42) that is likewise open; a reservoir (14) for receiving the biomaterial, the reservoir including a part (20) of substantially cylindrical shape having two open ends, the cylindrical part being capable of being inserted at least in a portion of the trocar via the second end thereof; removable plugs for closing both ends of the reservoir; and a piston (16) insertable in the cylindrical part when the plugs are removed, the piston being capable of sliding in the cylindrical part and in the first end of the trocar.

Abstract: The invention relates to an injector device for percutaneously injecting biomaterial in the form of particles of different sizes or in the form of paste. The device comprises: a trocar (12) of generally cylindrical shape presenting an open first end with a sharp edge, the wall of said first end presenting at least one orifice (36, 38) for passing the biomaterial, and a second end (42) that is likewise open; a reservoir (14) for receiving said biomaterial, the reservoir comprising a part (20) of substantially cylindrical shape having two open ends, said cylindrical part being capable of being inserted at least in a portion of the trocar via the second end thereof, and removable means for closing both ends of the reservoir; and a piston (16) insertable in said cylindrical part when said closure means are removed, said piston being capable of sliding in said cylindrical part and in the first end of the trocar.