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