| more particularly | 5 | degree |
| for capturing emboli | 3 | purpose |
| for trapping embolic material | 3 | purpose |
| invention → relate to → filter | 9 |
| invention → provide → filter | 3 |
| negative | neutral | positive |
| 0.045 | 0.802 | 0.152 |
| Raw frequency | 12 |
| Normalized frequency | 0.183 |
| Modifier score | 0.500 |
| Perplexity | 63.415 |