Table 1: Different Catheter Characteristics of the Most Used Catheters.
| Model | Manufacturer | Electrodes | Tip Electrode Size (mm) | Ring Electrode Size (mm) | Micro- or Mini-electrode Area (mm2) | Spacing (Edge to Edge) | Spacing Recorded (Centre to Centre) |
|---|---|---|---|---|---|---|---|
| Ablation catheters | |||||||
| QDOT Micro, CF | Biosense Webster | 4+ 3ME | 3.5 | 1 | 0.086 | 2 5 2 | 4.25 |
| Intella MiFi | Boston Scientific | 4+ 3ME | 4 | 2 | 0.5 | 2.5 2.5 2.5 | 4.5 |
| Thermocool ST, CF | Biosense Webster | 4 | 3.5 | 1 | 1 6 2 | 3.25 | |
| Thermocool STSF, CF | Biosense Webster | 4 | 3.5 | 1 | 2 5 2 | 4.25 | |
| Navistar | Biosense Webster | 4 | 4 or 8 | 1 | 1 7 4 | 3.5 | |
| CoolFlex | Abbott | 4 | 4 | 1 | 0.5 5 2 | 2.75 | |
| Safire | Abbott | 4 | 4 | 2 | 2 5 2 | 5 | |
| FlexAbility | Abbott | 4 | 4 | 1 | 1 4 1 | 3.5 | |
| Tacticath, CF | Abbott | 4 | 3.5 | 1 | 2 5 2 | 4.25 | |
| Blazer II/OI | Boston Scientific | 4 | 4 | 2 | 2.5 2.5 2.5 | 4.5 | |
| MiFi | Boston Scientific | 4 | 1 | 1.5 | 2.5 | ||
| Multi-electrode mapping | |||||||
| OctaRay | Biosense Webster | 48 | 0.5 | 1.5 | 2 | ||
| PentaRay | Biosense Webster | 20 | 1 | 2 6 2 or 4 4 4 | 3 | ||
| Decapolar | Biosense Webster | 10 | 2.4 | 1 | 2 8 2 | 3 | |
| Lasso | Biosense Webster | 20 | 1 | 2 6 2 | 3 | ||
| HD Grid | Abbott | 16 or 32 | 1 | 3 | 4 | ||
| LiveWire | Abbott | 20 | 2 | 1 | 2 2 2 | 3 | |
| IntellaMap Orion | Boston Scientific | 64 | 0.9 × 0.45 | 1.6 | 2.5 | ||
| Constellation (60 mm) | Boston Scientific | 64 | 1.5 | 5 | 6.5 | ||
| Inquiry Optima | Abbott | 24 | 1 | 1 4.5 1 | |||
| Inquiry AFocus II | Abbott | 20 | 1 | 4 | |||
CF = contact force; II = closed irrigation; OI = open irrigation; ME = mini- or micro-electrodes. Source: Tung et al. 2016.41 Adapted with permission from Wolters Kluwer Health.