Table 1.
Characteristics of different flexible ureterorenoscopes
| Company | Product | Flexible ureteroscopes | Tip | Diameter (F) | French scale test | ||||
|---|---|---|---|---|---|---|---|---|---|
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| Imaging system | Ventral deflexion | Dorsal deflexion | Working channel | Shaft | Proximal | ||||
| Lumenis | Polyscope | Optical | 180 | 0 | 3.6 | 8.0 | 8 | 8 | 10 |
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| Olympus Gyrus ACMI | DUR-8 Elite | Optical | 270 | 270 | 3.6 | 8.7 | 9.4 | 10.1 | 10 |
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| DUR-8 Ultra | Optical | 270 | 270 | 3.6 | 8.6 | 9.36 | 10.1 | 10 | |
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| DUR-D | Digital | 250 | 250 | 3.6 | 8.7 | 9.3 | 9.3 | 11 | |
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| Olympus | URFP6 | Optical | 275 | 275 | 3.6 | 4.9 | 7.95 | 7.95 | 10 |
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| URFP5 | Optical | 275 | 180 | 3.6 | 5.3 | 8.4 | 8.4 | 10 | |
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| URFV | Digital | 275 | 180 | 3.6 | 8.4 | 10.9 | 10.9 | 12 | |
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| Storz | FLEX-X2 | Optical | 270 | 270 | 3.6 | 7.5 | 8.4 | 8.4 | 10 |
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| FLEX-XC | Digital | 270 | 270 | 3.6 | 8.5 | 8.5 | 8.5 | 10 | |
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| Stryker | Flex Vision U-500 | Optical | 275 | 275 | 3.6 | 6.9 | 7.1 | 7.2 | 10 |
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| Wolf | Cobra | Optical | 270 | 270 | Dual 3.3 | 6 | 9.9 | 10.3 | 11 |
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| Viper | Optical | 270 | 270 | 3.6 | 6 | 8.8 | 9 | 10 | |