The assembly is configured to deliver {HEAD ~ the medical agent} proximate a cutting surface of {TAIL ~ the cutting member} 
The assembly is configured to deliver { HEAD ~ the medical agent } proximate a cutting surface of { TAIL ~ the cutting member }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL