| The duckbill valve must prevent reverse flow and airflow back to the heart, which could cause an embolism. |
| To remedy this problem, the device has an umbrella valve beneath the duckbill valve. |
| The purpose of the tissue was to make sure that the duckbill clips did not leave any dents. |
| You can also give flat roots a boost by first lifting them up with your fingers and then holding them into this new height with duckbill clips. |
| The insertion instruments include calipers, curved hooks, dull hooks, 3-mm and 5-mm duckbill elevators, chisels, and implant inserters. |
| According to her, he was wearing a plastic shield, a regular-size duckbill mask, gloves, gown and everything supplied by the hospital, but still she got infected. |
