providing a syringe body having proximal and distal ends, a cylindrical passage, and a second lock element, located only adjacent {HEAD ~ the distal end} of {TAIL ~ said cylindrical passage}, which mates whit said first lock element 
of
providing a syringe body having proximal and distal ends , a cylindrical passage , and a second lock element , located only adjacent { HEAD ~ the distal end } of { TAIL ~ said cylindrical passage } , which mates whit said first lock element
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH