Moreover, in these embodiments, the groove can be configured to deliver {HEAD ~ the medical agent} from the cavity proximate to {TAIL ~ the cutting surface} 
to
Moreover , in these embodiments , the groove can be configured to deliver { HEAD ~ the medical agent } from the cavity proximate to { TAIL ~ the cutting surface }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL