Table 4.
Comparison of different generations of IVUS-OCT probes.
| Configuration | OD | Estimated rigid-part length | Size of the IVUS sub probe | Size of the OCT sub probe | |
|---|---|---|---|---|---|
| Gen 1.1 [21] | Side by side | 2.4 mm | 5 mm | 0.4 mm by 0.4 mm | 0.5 mm GRIN |
| Gen 1.2 [30] | Side by side | 2.8 mm | 5 mm | 0.4 mm by 0.4 mm | 0.5 mm GRIN |
| Gen 2 [29] | Ring | 2.4 mm | 5.5 mm | 2 mm by 5.5 mm | 0.7 mm GRIN |
| Gen 3 [22] | Sequential | 0.69 mm | 4 mm | 0.4 mm by 0.4mm | 0.35 mm GRIN |
| Gen 4 [23] | Side by side | 0.9 mm | 2.5 mm | 0.5 mm by 0.5 mm | 0.14 mm GRIN |
| Gen 5 [31] | Back to back | 0.9 mm | 1.5 mm | 0.4 mm by 0.4 mm | 0.3 mm ball lens |