An assembly, comprising: a dispensing syringe device configured to receive an amount of biomaterial and to dispense the biomaterial, the dispensing syringe device including a syringe barrel for receiving the biomaterial, a discharge outlet for dispensing the biomaterial from the syringe barrel, and a plunger received in the syringe barrel, the plunger having a plunger body and a plunger passageway extending therethrough configured to receive a stylet: a cannulus device configured to be coupled with the dispensing syringe device, to receive biomaterial from the dispensing syringe device, and to dispense the biomaterial, the cannulus device including a cannulus passageway configured to receive the biomaterial and a dispensing opening configured for dispensing the biomaterial; a plunger plug positioned in the plunger passageway of the plunger; the assembly further comprising an extension device, the plunger plug including a shaft portion configured to be coupled with the extension device to form a stylet, characterised in that the shaft portion includes a threaded portion and the plunger body includes a threaded portion, the threaded portion of the shaft portion being configured for engagement with the threaded portion of the plunger body to limit the movement of the shaft portion relative to the plunger body. a dispensing syringe device configured to receive an amount of biomaterial and to dispense the biomaterial, the dispensing syringe device including a syringe barrel for receiving the biomaterial, a discharge outlet for dispensing the biomaterial from the syringe barrel, and a plunger received in the syringe barrel, the plunger having a plunger body and a plunger passageway extending therethrough configured to receive a stylet: a cannulus device configured to be coupled with the dispensing syringe device, to receive biomaterial from the dispensing syringe device, and to dispense the biomaterial, the cannulus device including a cannulus passageway configured to receive the biomaterial and a dispensing opening configured for dispensing the biomaterial; a plunger plug positioned in the plunger passageway of the plunger; the assembly further comprising an extension device, the plunger plug including a shaft portion configured to be coupled with the extension device to form a stylet, characterised in that the shaft portion includes a threaded portion and the plunger body includes a threaded portion, the threaded portion of the shaft portion being configured for engagement with the threaded portion of the plunger body to limit the movement of the shaft portion relative to the plunger body. a cannulus device configured to be coupled with the dispensing syringe device, to receive biomaterial from the dispensing syringe device, and to dispense the biomaterial, the cannulus device including a cannulus passageway configured to receive the biomaterial and a dispensing opening configured for dispensing the biomaterial; a plunger plug positioned in the plunger passageway of the plunger; the assembly further comprising an extension device, the plunger plug including a shaft portion configured to be coupled with the extension device to form a stylet, characterised in that the shaft portion includes a threaded portion and the plunger body includes a threaded portion, the threaded portion of the shaft portion being configured for engagement with the threaded portion of the plunger body to limit the movement of the shaft portion relative to the plunger body.