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Sensor-based hip control with hybrid neuroprosthesis for walking in paraplegia

TO CS; KOBETIC R; BULEA TC; AUDU ML; SCHNELLENBERGER JR; PINAULT G; TRIOLO RJ
J REHABIL RES DEV , 2014, vol. 51, n° 2, p. 229-244
Doc n°: 172061
Localisation : Documentation IRR

D.O.I. : http://dx.doi.org/DOI:10.1682/JRRD.2012.10.0190
Descripteurs : DE361 - TRAITEMENT CHIRURGICAL / HANCHE, DF22 - EXPLORATION EXAMENS BILANS - MARCHE, AE2 - PARAPLEGIE-TETRAPLEGIE

The objectives of this study were to test whether a hybrid neuroprosthesis (HNP)
with an exoskeletal variable-constraint hip mechanism (VCHM) combined with a
functional neuromuscular stimulation (FNS) controller can maintain upright
posture with less upper-limb support and improve gait speed as compared with
walking with either an isocentric reciprocating gait orthosis (IRGO) or FNS only.
The results show that walking with the HNP significantly reduced forward lean in
FNS-only walking and the maximum upper-limb forces by 42% and 19% as compared
with the IRGO and FNS-only gait, respectively. Walking speed increased
significantly with VCHM as compared with 1:1 reciprocal coupling and by 15% when
using the sensor-based FNS controller as compared with HNP with fixed baseline
stimulation without the controller active.

Langue : ANGLAIS

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