definiens: is defined to mean each patient that has completed a treatment regimenof at least ninety ( 90 ) contiguous days of home therapy with the System One with the first such day of such ninety(90 ) contiguous days of home therapy with the System One commencing on such date that each such patient has his or herfirst home training session and treatment with the System One and continuing until each such patient has completed at leastninety ( 90 ) contiguous days of treatment with the System One ; provided that : ( i ) any documented hospitalization of each suchpatient shall not be deemed an interruption in each such patient ’s ninety ( 90 ) contiguous days of treatment with the SystemOne as long as Customer has provided notice to NxStage of any such documented hospitalization as required pursuant toSection 10 of the Agreement and ( ii ) any interruption in each such patient ’s treatment with the System One as a result of suchpatient ’s traveling shall not be deemed an interruption in each such patient ’s ninety ( 90 ) contiguous days of treatment withthe System One