A medical agent dispensing system and surgical instruments that employ the medical agent dispensing system are provided. The dispensing system may be structured for use with a surgical severing/stapling instrument structured for severing and stapling tissue. The dispensing system may include at least...http://www.google.co.uk/patents/US7607557?utm_source=gb-gplus-sharePatent US7607557 - Surgical stapling instruments structured for pump-assisted delivery of medical agents
