Table 4‐1.
Summary of various electrode configurations, sizes, and relative spacing with commonly used catheters
| Model | Manufacturer | Electrodes | Tip electrode size | Ring electrode size | Spacing (edge‐to‐edge) | Spacing recorded (center‐to‐center) |
|---|---|---|---|---|---|---|
| Ablation catheters | ||||||
| ThermoCool ST | Biosense Webster | 4 | 3.5 mm | 1 mm | 1 6 2 | 3.25 |
| ThermoCool/ SF | Biosense Webster | 4 | 3.5 mm | 1 mm | 2 5 2 | 4.25 |
| Navistar | Biosense Webster | 4 | 4 mm/8 mm | 1 mm | 1 7 4 | 3.50 |
| CoolFlex | St. Jude Medical | 4 | 4 mm | 1 mm | 0.5 5 2 | 2.75 |
| Safire/Cool Path | St. Jude Medical | 4 | 4 mm | 2 mm | 2 5 2 | 5.00 |
| FlexAbility | St. Jude Medical | 4 | 4 mm | 1 mm | 1 4 1 | 3.50 |
| Tacticath | St. Jude Medical | 4 | 3.5 mm | 1 mm | 2 5 2 | 4.25 |
| Blazer II/OI | Boston Scientific | 4 | 4 mm | 2 mm | 2.5 2.5 2.5 | 4.50 |
| MiFi | Boston Scientific | 4 | — | 1 mm | 1.5 mm | 2.50 |
| Multielectrode mapping catheters | ||||||
| PentaRay | Biosense Webster | 20 | — | 1 mm | 2 6 2 | 3.00 |
| Decapolar | Biosense Webster | 10 | 2.4 mm | 1 mm | 2 8 2 | 3.00 |
| Lasso | Biosense Webster | 20 | — | 1 mm | 2 6 2 | 3.00 |
| Duodecapolar (Livewire) | St. Jude Medical | 20 | 2 | 1 mm | 2 2 2 | 3.00 |
| IntellaMap Orion | Boston Scientific | 64 | — | 0.9 mm × 0.45 mm | 1.6 mm | 2.50 |
| Constellation (60mm) | Boston‐Scientific | 64 | — | — | 5 | — |
| Inquiry Optima | St. Jude Medical | 24 | — | 1mm | 1 4.5 1 | — |
| Inquiry AFocus II | St. Jude Medical | 20 | — | 1mm | 4 | — |