The primer can provide {HEAD ~ an adhesive tie layer} between {TAIL ~ the surface} of the implantable device and the reservoir region 
The primer can provide { HEAD ~ an adhesive tie layer } between { TAIL ~ the surface } of the implantable device and the reservoir region
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH