Component mixing syringe

A component mixing syringe for use in mixing a first liquid component with a second component prior to use, said syringe comprising:

• a first housing having a seal end and a second end;
• a septum located at said seal end of said first housing;
• a second housing received within said first housing and forming an annular space therewith, said second housing having a first end in sealing engagement with said seal end of said first housing, and a second end, and at least one aperture therethrough adjacent said first end to provide fluid communication between said annular volume and the interior of said second housing;
• first and second sealing bands slidably received about said second housing and mutually spaced therealong, both of said sealing bands being initially positioned above said aperture to form an annular volume for the first liquid component;
• a band driving sleeve slidably received about said second housing and located partially within said first housing, said band driving sleeve having a first end positioned adjacent the upper one of said mutually spaced bands, and a second end;
• a plunger having a seal end received within said second housing to form an enclosed volume for the second component;
• and
• means for enabling said band driving sleeve to be translated toward said seal end of said first housing to drive said upper one of said mutually spaced sealing bands toward said aperture, thereby causing said first liquid component to force the lower one of said sealing bands to slide below said aperture permitting said first liquid component to mix with the second component within the interior of said second housing.