The holders can be stored within {HEAD ~ sterile packages} for {TAIL ~ use} whenever convenient to the surgeon 
for
The holders can be stored within { HEAD ~ sterile packages } for { TAIL ~ use } whenever convenient to the surgeon
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH