A medical agent dispensing system can be provided that may be structured for use with a surgical severing/stapling instrument that is designed for severing and stapling tissue. The dispensing system may include at least one storage reservoir structured for storing at least a component of a medical agent a gear pump casing in communication with the storage reservoir a screw pump auger positioned within the gear pump casing capable of rotational manipulation to move the medical agent through the gear pump casing and, at least one agent tube in communication with the gear pump casing. The agent tube may be structured for communication with a least one agent port fromed in a staple cartridge of the surgical instrument for dispensing the medical agent therethrough.