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Flushing conditions considered to affect the angioscopy visibility. Underlined conditions were investigated in this study.
| Flushing Conditions | |
|---|---|
| Geometry | Flow |
| Endoscope position in the catheter | Dextran injection waveform |
| Catheter angle | Dextran flow rate |
| Catheter position in the blood vessel | Dextran injection timing |
| Use of balloon | Blood flow rate |
