In {TAIL ~ one application}, {HEAD ~ the end effector} is insertable into the esophagus of a patient 
In
In { TAIL ~ one application } , { HEAD ~ the end effector } is insertable into the esophagus of a patient
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH