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Ultrathin Transnasal Endoscopes
| Office based | Channel diameter |
Distal tip | Working length | Angulation up/down |
Angle of view | |
|---|---|---|---|---|---|---|
| Pentax, EE1580K | No | 2 | 5.5 | 600 | 210/120 | 140° |
| Fuji, EG-530NP | No | 2 | 4.9 | 1100 | 210/120 | 120° |
| Olympus, GIFXP 190N/290N | No | 2.2 | 5.4 | 1100 | 210/90 | 140° |
| Vision Sciences, EndoSheath | Yes | 2.1 | 4.7 | 650 | 145/220 | 120° |
| IntroMedic, EG scan II | Yes | Not applicable | 6 | 1088 | 160/160 | 125° |
NOTE. These are the best available models from Pentax, Fuji, and Olympus.
