The Upgrade Tree

The branches · Movement and body · could move a stage within 1 to 5 years

A spinal implant lets a paralysed person walk again on their own legs

First human

After a spinal cord injury the nerves below the break are usually intact; what is missing is the signal from above. An electrode strip laid over the lower spinal cord, driven by a small stimulator, can wake those circuits up, and with it people who had not moved their legs in years have stood and taken steps on their own legs. Three American groups reported it in 2018; a Swiss group reported walking within a day of surgery in 2022, and in 2023 linked the spinal stimulator to a brain implant so that the person's intention drove the steps.

What would count

A person with a spinal cord injury who could not step before the surgery takes repeated steps over ground on their own legs, bearing their own weight, with an implanted spinal stimulator switched on, in a peer-reviewed report.

Who settles it: Peer-reviewed reports of the implanted volunteers; a regulator's approval record if an implant is approved for this use

Where it stands

First human. Reached on 24 September 2018, on the record of doi.org. Could move a stage within 1 to 5 years.

The last reading

Once a week every upgrade is read against the news, against what would count above. Open a line to see what that week held. Every reading of this upgrade is on this week's reading.

  • 16 October 2026 Nothing new

    Nothing in the window. Just before it, on 2026-09-03, Onward Medical reported the first implant in its EIGER feasibility study of the ARC-IM spinal implant for standing and walking, up to twelve participants in Switzerland; a feasibility study is not the regulator's approval the next rung needs. Onward's approved product, ARC-EX, is a non-invasive device for hand function and sits outside this entry's test.

Notes

The record is the Louisville report of September 2018, in which two of four people with complete paralysis walked over ground with a stimulator; a Mayo Clinic report appeared the same day, and the Lausanne report of targeted stimulation followed in October 2018. The Lausanne group's 2022 and 2023 papers (walking within a day; a brain-to-spine link) are later rungs of the same ladder, not new firsts. The stimulators used were approved devices used off their label, which is why the rung is first human and not in clinical use.