A monomer delivery device for a bone cement delivery system having a sealed body that has and a chamber sized to receive an ampule of monomer, a collar attached to the body having a blade configured to sever the ampule and a spout attached to the collar to expel the monomer....http://www.google.com.au/patents/US6439427?utm_source=gb-gplus-sharePatent US6439427 - Monomer delivery device for bone cement delivery system
