Table 2.
Design Comparison of the MIDI‐Tube, MIDI‐Ray, and InnFocus MicroShunt®
| Device | MIDI‐Tube | MIDI‐Tube | MIDI‐Ray | InnFocus MicroShunt® (AKA, MIDI‐Arrow) |
|---|---|---|---|---|
| Study | Bordeaux I | Bordeaux II | DR I | DR II |
| Tube Outer Diameter (mm) | 0.25 | 0.25 | 0.35 | 0.35 |
| Tube Lumen Diameter (µm) | 70 | 70 | 100 | 70 |
| Total length (mm) | 11 | 11 | 12 | 8.5 |
| Migration restrictor type | Tab | Tab | Plate | Fin |
| Fixation member (mm) | 1 × 1 | 1 × 1 | 7 diam. | 1.1 Wingspan |
| Needle Tract Gauge | 27 | 25–27 | 27 | 25–27 |
| Introducer | Inserter | Inserter | Forceps | Forceps |
| MMC concentration, Time (min) | None | 0.2 mg/mL, 2 | None | 0.4mg/mL, 3 |
| Area of MMC applied | None | Sclera | None | Entire flap |
| Lumen tied off? | No | No | Yes | No |