any surface of the needle hub as described above after applying the uv resin to the needle hub the needle hub is exposed an uv light source to cure the resin and polymerize the resin to the needle hub to create the mark on the needle hub at step 136 in one example the ultraviolet resin may cause the needle hub flange to be black red or blue however any color or combination of colors or patterns e g a stripe a dashed line etc may be used after curing the resin a needle is fastened to the needle hub at step 138 by any suitable means e g epoxy etc the exemplary process 130 continues placing a needle safety shield over the needle hub at step 140 the needle hub is then fastened to the barrel at step 142 by placing barrel 106 into an opening of the needle hub as described above the above described exemplary embodiments allow a generic needle hub to be molded and fitted with any suitable needle thereby requiring only one generic needle hub for each barrel radius further the mark on the needle hub is always exposed even with a needle safety shield 114 in place and provides a visual indicator.