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