The NaviAidTM ABC can be taken out at any time during the procedure. Once use of any other accessory is concluded, the NaviAidTM ABC can be inserted again to continue advancement or perform Controlled WithdrawalTM.
Risks involved in using the NaviAidTM AB are no different than those incurred in endoscopy in general. No adverse event has been reported that is related to the use of the NaviAidTM ABC.