Table 2.
Kidney Access, Navigation of Collecting System, and Navigation Time by LithoVue, Fiber Optic, and Digital Reusable Ureteroscopes
| Ureteroscopes | |||
|---|---|---|---|
| Parameters | LithoVue | URF-P5 | URF-V |
| Kidney access (without/with UAS) | |||
| Renal unit 1 (L) | No/yes | No/yes | No/yes |
| Renal unit 2 (R) | Yes/yes | Yes/yes | Yes/yes |
| Renal unit 3 (L) | Yes/yes | Yes/yes | Yes/yes |
| Renal unit 4 (R) | Yes/yes | Yes/yes | Yes/yes |
| Navigation (without/with UAS) | |||
| Renal unit 1 (L) | Yes/yes | Yes/yes | Yes/yes |
| Renal unit 2 (R) | Yes/yes | Yes/yes | No (lower pole)/yes |
| Renal unit 3 (L) | Yes/yes | Yes/yes | No (upper pole)/yes |
| Renal unit 4 (R) | Yes/yes | Yes/yes | Yes/yes |
| Navigation time (minutes) (Surgeon 1/2/3) | |||
| Renal unit 1 (L) | 2.30/2.35/2.10 | 1.38/3.11/1.45 | 2.10/4.43/3.42 |
| Renal unit 2 (R) | 1.25/2.10/1.18 | 1.13/2.08/1.55 | 1.17/2.48/2.02 |
| Renal unit 3 (L) | 0.38/1.16/1 | 0.45/0.55/0.54 | 0.51/1.33/1.53 |
| Renal unit 4 (R) | 0.52/1.33/1.08 | 0.49/1.42/1.09 | 0.58/1.03/0.56 |
Bold text underlines every time an instrument was unable to reach a renal unit or a calix.
UAS = ureteral access sheath.