| Type of the devices | 2010 | 2011 | 2012 | 2013 | 2014 | Total |
|---|---|---|---|---|---|---|
| Direct laryngoscope | ||||||
| Macintosh blade | 28 (42.4) | 24 (47.1) | 13 (14.1) | 9 (40.9) | 18 (42.9) | 92 (42.4) |
| McCoy blade | 12 (18.2) | 16 (31.4) | 11 (30.6) | 2 (9.1) | 2 (4.8) | 43 (19.8) |
| Video laryngoscope assisted | ||||||
| Pentax AWS | 9 (13.6) | 5 (9.8) | 8 (22.2) | 1 (4.5) | 0 | 23 (10.6) |
| McGrath MAC | 0 | 0 | 0 | 5 (22.7) | 15 (35.7) | 20 (9.2) |
| Fiberoptic intubation | 14 (21.2) | 4 (7.8) | 1 (2.8) | 3 (13.6) | 5 (11.9) | 27 (12.4) |
| Lightwand | 0 | 0 | 2 (5.6) | 1 (4.5) | 0 | 3 (1.4) |
| Laryngeal mask airway | 2 (3.0) | 2 (3.9) | 0 | 1 (4.5) | 1 (2.4) | 6 (2.8) |
| Failed intubation | ||||||
| Tracheostomy | 1 (1.5) | 0 | 0 | 0 | 1 (2.4) | 2 (0.9) |
| Cancel operation | 0 | 0 | 1 (2.8) | 0 | 0 | 1 (0.5) |
| Total | 66 | 51 | 36 | 22 | 42 | 217 |