| within the device | 6 | location |
| generally | 5 | degree |
| for control of urinary incontinance | 3 | purpose |
| invention → relate to → valve | 12 |
| invention → provide → valve | 5 |
| invention → have → valve | 3 |
| negative | neutral | positive |
| 0.032 | 0.850 | 0.118 |
| Raw frequency | 20 |
| Normalized frequency | 0.250 |
| Modifier score | 0.500 |
| Perplexity | 148.447 |