The collection unit has a storage unit storing the control data, a check unit checking the integrity of the control data using the check datum, and a transmitting unit transmitting the control data to a programmable control unit of the medical device only if {HEAD ~ the integrity} of the control data is established by {TAIL ~ the check unit}  
is established by
The collection unit has a storage unit storing the control data , a check unit checking the integrity of the control data using the check datum , and a transmitting unit transmitting the control data to a programmable control unit of the medical device only if { HEAD ~ the integrity } of the control data is established by { TAIL ~ the check unit }
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