{HEAD ~ The present invention} provides a greater degree of injection power on demand than was previously possible in a portable and hand held syringe; and it can deliver {TAIL ~ larger volumes} of radiopaque contrast medium at greater pressures than was previously possible using a conventional manual syringe 
{ HEAD ~ The present invention } provides a greater degree of injection power on demand than was previously possible in a portable and hand held syringe ; and it can deliver { TAIL ~ larger volumes } of radiopaque contrast medium at greater pressures than was previously possible using a conventional manual syringe
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