
Overview
Carbonhand is a soft grip-strengthening glove rather than a rigid exoskeleton. Motors in a small power pack pull artificial tendons through a glove that covers the thumb and two fingers, with the wearer choosing whether the middle and ring or the index and middle fingers get help. It is for people who can still start a grasp but lack strength or endurance because of spinal cord injury, ALS, MS, stroke, nerve damage, fractures or rheumatic disease, and it is sold as a CE-marked medical device in Sweden and Germany and since 2024 in the US, where it is prescribed through more than 40 VA medical centers (the 100th veteran was fitted in September 2026) and through an online eligibility questionnaire for everyone else. An updated version in April 2025 added the two finger-wearing positions, on-glove calibration, a one-step arm strap and an adjustable palm sensor. The 0.7 kg system is light, but battery runtime, grip force beyond 20 N per finger and US FDA clearance details are not published (unconfirmed), and the launch year of 2018 is also (unconfirmed). Its industrial twin Ironhand passed to Skelex in June 2024, and the motorized-elbow alternative for weak arms is the MyoPro.
Specifications
| Category | Exoskeletons & exosuits · Medical & rehabilitation |
|---|---|
| Released | 2018 |
| Country | Sweden |
| Availability | Available |
| Sales | 100 US veterans fitted through the VA by September 2026, plus users in Sweden and Germany. Total units not published. (estimate) Bioservo ↗ |
| Programmability | No SDK, app / visual programming only |
| Built-in autonomy | Reactive · Responds to its surroundings without a map, such as avoiding obstacles or following a person |
| LLM support | None · No voice assistant or LLM. |
| Best for | Ages 18+ (estimated) |
| Vision sensors | No vision sensors |
| Actuators | Other |
| Audio | No audio |
| Compute type | Proprietary / undisclosed |
| Control | App-adjusted |
| Weight | 0.7 kg (glove plus power unit) |
| Assistance | Pressure sensors in the fingertips and palm detect the start of a grip and three motors in the power unit pull artificial tendons through the glove, adding up to 20 N per finger on the thumb and two fingers in proportion to how hard the wearer squeezes. |
| Joints | Hand |
| Battery & runtime | Rechargeable battery in the power unit, worn on the back, waist or a wheelchair mount. Runtime not published. |
| Operation | Fully automatic from the grip sensors. Support level, sensitivity and profiles are set in the Bioservo phone app, a wrist button switches profiles, and the 2025 version lets finger length be calibrated from the glove itself. |
| Sensors | Fingertip and palm pressure sensors |
| Compute | Not published |
| SDK | None |
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- Image 1: source (official product image)