In one embodiment, {HEAD ~ the implantable drug pump} includes a housing having at least one inlet port and {TAIL ~ an outlet port} formed therein 
In one embodiment , { HEAD ~ the implantable drug pump } includes a housing having at least one inlet port and { TAIL ~ an outlet port } formed therein
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH