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