기도 내 이물의 확인 또는 제거를 위해 시술을 시행한 경우가 6예였고 그 중에서 1예에서만 이물질이 확인되어 제거에 성공하였다.
There have been 6 instances when the procedure was performed to confirm or remove a foreign human anatomy in the airway, and only one of them was confirmed to have foreign body and the removal had been successful.