Feasibility and usability of a wearable orthotic for stroke survivors with hand impairment.
Kishor Lakshminarayanan, Fa Wang, John G Webster and 1 others
PMID 26735630WHAT IT FOUND
Stroke survivors found a vibrating wristband prototype close to satisfactory but wanted it cheaper, easier to put on, waterproof, and proof that it helps hand function over time.
Key findings
01Stroke survivors rated the prototype's safety and lightness as almost exceeding expectation, while affordability was the least satisfactory feature.
02Participants wanted the device to be easy to control, safe, and effective for hand function, and most preferred a cost of $20 to $50.
03The House of Quality analysis identified clinical knowledge, cost, wrist attachment, and waterproofing as the top technical improvement priorities.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
Only 10 stroke survivors took part, and they had relatively high upper-extremity Fugl-Meyer scores (13-24 out of 24), so the results may not apply to people with more severe hand impairment. The study did not test whether the device changed hand function over time; it measured expectations and satisfaction after one short session. Satisfaction ratings were given after participants read that previous studies had shown immediate improvements in some hand tests, which may have influenced their responses. The prototype tested was a laboratory version with a cable and a controller unit, not a finished consumer product. Cost was rated for a $100 price, while participants preferred $20-$50, so the affordability finding reflects this prototype's projected price rather than a final product.
Declared interests
No author conflicts-of-interest statement is included in the supplied text; article metadata lists NIH extramural support.
The easy way to misread this
Do not conclude that TheraBracelet improves hand function. The study tested usability after a single session and did not measure treatment effect.