TABLE II.
Results of the Respiratory Droplet Model.
| Scenario | Procedure | Mask | Duration | Droplet Spread | Maximum Distance |
|---|---|---|---|---|---|
| 1 | Powered microdebrider ESS | No | 4 min | No | — |
| Powered microdebrider ESS | Yes | 4 min | No | — | |
| 2 | Powered drilling of frontal recess & beak | No | 4 min | Yes | 10 cm |
| Powered drilling of frontal recess & beak | Yes | 4 min | No | — | |
| 3 | External drill activation with negative pressure | Yes | 20 sec | Yes | Confined within mask, nil external |
| External drill activation without negative pressure | Yes | 20 sec | Yes | Confined within mask, nil external |