The cylinder comprises an open cylindrical passage and includes a needle attached in {HEAD ~ a conventional manner} at {TAIL ~ the proximal end} thereof 
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The cylinder comprises an open cylindrical passage and includes a needle attached in { HEAD ~ a conventional manner } at { TAIL ~ the proximal end } thereof
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