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