▁rate ▁at ▁which ▁bas al ▁ins ul in ▁is ▁delivered . ▁Auto ▁mode ▁regul ates ▁bas al ▁ins ul in ▁levels ▁from ▁the ▁continuous ▁monitor ' s ▁read ings ▁every ▁five ▁minutes . ▁ ▁The ▁device ▁was ▁originally ▁available ▁only ▁to ▁those ▁aged ▁ 1 4 ▁or ▁older , ▁and ▁in ▁June ▁ 2 0 1 8 ▁was ▁approved ▁by ▁the ▁F DA ▁for ▁use ▁in ▁children ▁aged ▁ 7 – 1 4 . ▁Famil ies ▁have ▁reported ▁better ▁sleep ▁quality ▁from ▁use ▁of ▁the ▁new ▁system , ▁as ▁they ▁do ▁not ▁have ▁to ▁worry ▁about ▁manually ▁checking ▁blood ▁gl uc ose ▁levels ▁during ▁the ▁night . ▁The ▁full ▁cost ▁of ▁the ▁system ▁is ▁$ 3 7 0 0 , ▁but ▁patients ▁have ▁the ▁opportunity ▁to ▁get ▁it ▁for ▁less . ▁ ▁I let ▁B ionic ▁Pan cre as ▁A ▁team ▁at ▁Boston ▁University ▁working ▁in ▁collaboration ▁with ▁Massachusetts ▁General ▁Hospital ▁on ▁a ▁dual ▁h orm one ▁artificial ▁pan cre as ▁system ▁ ▁began ▁clin ical ▁tri als ▁on ▁their ▁device ▁called ▁the ▁B ionic ▁Pan cre as ▁in ▁ 2 0 0 8 . ▁In ▁ 2 0 1 6 , ▁the ▁Public ▁Ben ef it ▁Corporation ▁B eta ▁B ion ics ▁was ▁formed . ▁In ▁conj unction ▁with ▁the ▁formation ▁of ▁the ▁company , ▁B eta ▁B ion ics ▁changed ▁the ▁pre lim inary ▁name ▁for ▁their ▁device ▁from ▁the ▁B ionic ▁Pan cre as ▁to ▁the ▁i Let . ▁The ▁device ▁uses ▁a ▁closed - loop ▁system ▁to ▁deliver ▁both