
Overview
Trexo Theo is the FDA-cleared successor to the Trexo Home and Trexo Plus, pediatric exoskeletons that bolt powered hip and knee legs onto a walker so a child can take real over-ground steps at home or in a clinic. The 510(k) clearance (K254198) covers patients aged 12 and up with cerebral palsy, used under the supervision of a trained companion or a certified therapist, and it is a prescription device. Four sizes are fitted to hip-to-knee and knee-to-floor measurements and grow with the child, up to 150 lb (68 kg), and a tablet sets gait pattern, cadence, weight bearing and support level while recording every session. Trexo says children have taken more than 174 million steps in its devices, and an observational cohort of 171 children used them at home for six months. US deliveries begin in 2027 in reservation order with a refundable deposit and a 14-day home trial, so Theo is listed as announced, while earlier Trexo Home units were sold or leased to families in Canada and the US. It is the smaller, walker-based counterpart to the frame-mounted ATLAS 2030.
Specifications
| Category | Exoskeletons & exosuits · Medical & rehabilitation |
|---|---|
| Released | 2026 |
| Country | Canada |
| Availability | Announced only |
| Sales | More than 174 million steps taken in Trexo devices; a 171-child observational cohort used them at home. (estimate) Trexo Robotics ↗ |
| 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 12+ (FDA indication) (maker rating) |
| Vision sensors | No vision sensors |
| Actuators | Brushless / direct-drive motors |
| Audio | No audio |
| Compute type | Proprietary / undisclosed |
| Control | App-adjusted |
| Weight | Not published (child weight limit 68 kg / 150 lb) |
| Assistance | Powered hip and knee joints move a child's legs through a full gait cycle over the ground while a walker frame carries their balance and some body weight. Gait pattern, cadence, weight bearing and support level are adjustable, with endurance and strength modes. |
| Joints | Hips & knees |
| Battery & runtime | Battery powered for indoor and outdoor sessions, capacity and runtime not published. |
| Operation | Tablet app operated by a certified therapist or a trained parent, with live session data (steps, speed, assistance settings) recorded each session. |
| Sensors | Joint encoders and step counting (details not published) |
| Compute | Not published |
| SDK | None |
Timeline
- ReleasedTrexo Theo FDA 510(k) clearance K254198, reservations open Trexo Robotics ↗
- Estimated deliveryUS deliveries begin in reservation order Trexo Robotics ↗
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- Image 1: source (official product image, cropped)