#$%^&*AU2014200917A120140313.pdf#####ABSTRACT OF THE DISCLOSURE The needle assembly of the present invention includes a transparent or translucent housing having a fluid inlet end defined by a cylindrical exterior wall. The wall delineates an annular flashback chamber within the housing for retention of a fluid sample therein. The wall further includes a transparent or translucent construction or assimilation of a sealed window or port therein to allow immediate visualization of a fluid in the chamber.