Table 1.
Features of currently available implantable pulse generators
| Neuromodulation system | No. of channels | Volume (cm3) | RC | Frequency range (Hz) | VFS | Pulse widths (μs) | Fractionation |
Directional lead | MRI safety | Remote programming | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Temporal | Current | ||||||||||
| Abbott (St. Jude Medical) Infinity | |||||||||||
| 5 | 2 | 30.4 | No | 2–240 | No | 20–500 | MSS | CA | Yes | C | No |
| 7 | 2 | 38.6 | No | 2–240 | No | 20–500 | MSS | CA | Yes | C | No |
| Boston Scientific Vercise | |||||||||||
| PC | 2 | 33.0 | No | 2–255 | No | 10–450 | A | MICC | Yes | U | No |
| RC | 2 | 22.7 | Yes | 2–255 | No | 10–450 | A | MICC | No | U | No |
| Gevia | 2 | 19.8 | Yes | 2–255 | No | 20–450 | A | MICC | Yes | C | No |
| Medtronic Activa | |||||||||||
| PC | 2 | 37.0 | No | 2–250 | No | 60–450 | IL | No | No | C | No |
| RC | 2 | 22.0 | Yes | 2–250 | No | 60–450 | IL | No | No | C | No |
| SC | 1 | 27.0 | No | 3–250 | No | 60–450 | IL | No | No | C | No |
| PINS Medical | |||||||||||
| G102 | 2 | 51.2 | No | 2, 5–130, 132–250 | Yes | 30–450 | No | No | No | UK | Yes |
| G102R | 2 | 31.5 | Yes | 2, 5–130, 132–250 | Yes | 30–450 | No | No | No | UK | Yes |
| G101A | 1 | 35.9 | No | 2, 3–130, 132–250 | Yes | 30–450 | No | No | No | UK | Yes |
| SceneRay Co., Ltd. | |||||||||||
| 1180 | 2 | 51 | No | 1–1,600 | No | 60–960 | No | No | No | UK | Yes |
A: areas, C: conditional, CA: coactivation, IL: interleaving, MICC: multiple independent current control, MSS: multi-stim set, PC: primary cell, RC: rechargeable, SC: single cell, U: unsafe, UK: unknown, VFS: variable frequency stimulation.