Össur i-Limb Quantum
Gesture-selectable multi-articulating prosthetic grasping
Keep in mind Specifications belong to the Quantum family; size/material differences are explicit.
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At a glance
The differences that matter
Ottobock C-Leg 4
Microprocessor-controlled stance and swing support
Keep in mind Specifications are sourced claims, not our independent performance measurement.
Published specifications and documented constraints. See the full comparison below for prices and sources.
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| Wearable roboticsAdd a model |  |  |
|---|---|---|
| Prices · all markets | Price not verified 0 offer records & sourcesNo verified price in this audit. | Price not verified 0 offer records & sourcesNo verified price in this audit. |
| Designed for | Gesture-selectable multi-articulating prosthetic grasping ↗ | Microprocessor-controlled stance and swing support ↗ |
| Form factor | Electronic myoelectric prosthetic hand ↗ | Electronic prosthetic knee,3C98-3 family ↗ |
| Weight | Not verified | 2.75 lb ↗ |
| Water / dust rating | Not verified | IP68 ↗ |
| Software | Not verified | connectgo.pro updates ↗ |
| Actuation | Five independently motorised fingers ↗ | Not applicable to this category |
| Thumb | Powered rotation; manual positioning also supported ↗ | Not applicable to this category |
| Gesture Control | Four-direction movement selects automated grips ↗ | Not applicable to this category |
| Materials | Titanium digits in standard sizes; extra-small uses aluminium ↗ | Not applicable to this category |
| Fitting | Extra-small/small/medium/large family ↗ | Not applicable to this category |
| Grip Control | Vari-grip and Speed Boost settings ↗ | Not applicable to this category |
| Personalisation | Grip strength and speed tailored to wearer ↗ | Not applicable to this category |
| Body Weight Limit | Not applicable to this category | 136 kg /300 lb ↗ |
| Runtime | Not applicable to this category | Approximately 2 days ↗ |
| Knee Flexion | Not applicable to this category | 130 degrees without flexion stop ↗ |
| Mobility Grades | Not applicable to this category | K2/K3/K4 ↗ |
| Material | Not applicable to this category | Carbon ↗ |
| Connections | Not applicable to this category | Pyramid/threaded proximal; distal tube clamp ↗ |
| Availability | Professional fitting and additional prosthesis components required; no complete public purchase price verified. | Professional fitted prosthetic component; no public complete hardware/limb purchase price verified. Colour choices grouped. |
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| Editorial pick & release | No editorial ranking recorded | No editorial ranking recorded |
| Evidence | Manufacturer source Checked 2026-10-13 | Manufacturer source Checked 2026-10-13 |
Battery claims use different conditions and are not a controlled benchmark. “Not verified” is an evidence gap, not a missing feature. Prices are dated regional snapshots. Deposits, bundles and historical launch prices are labelled. Brightness measurement methods and battery workloads vary by manufacturer.