Preliminary Biomechanical and Usability Study of an Active Ankle-Foot Orthesis for Stroke Survivors

NCT ID: NCT04249349

Last Updated: 2020-07-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

10 participants

Study Classification

INTERVENTIONAL

Study Start Date

2019-09-27

Study Completion Date

2019-11-11

Brief Summary

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This research will present the biomechanical assessment of a robotic device for ankle assistance during gait on stroke's survivors with hemiparesis. Gait pattern through an optoelectronic motion capture system will be analyzed. Additionally, ergonomic and comfort aspects will be measured by an adapted spanish version of Quebec User Evaluation of Satisfaction with assistive Technology (QUEST)

Detailed Description

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This research will present the biomechanical assessment of a robotic device for ankle assistance during gait on stroke's survivors with hemiparesis.

The device is composed by a passive orthosis structure which allows one degree of freedom (DOF) among the sagittal plane and it includes two servomotors attached to the user's foot through velcro strips.

Gait pattern through an optoelectronic motion capture system will be analyzed. Additionally, ergonomic and comfort aspects will be measured by an adapted spanish version of Quebec User Evaluation of Satisfaction with assistive Technology (QUEST)

Conditions

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Stroke

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Robot-assisted Gait

Participants will receive assisted gait with a motorized ankle foot orthosis. Patient´s gait will be analyzed by a photogrammetry system during device assistance. Session will involve 1 hour of supervised training.

Group Type EXPERIMENTAL

Assisted gait with a motorized ankle foot orthosis

Intervention Type DEVICE

The motorized ankle foot orthosis is a powered lower extremity assistance device with an actuated ankle joint. A novel control software has been design and implemented in this device, which allows precise joint movement and recording of data from training session.

Interventions

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Assisted gait with a motorized ankle foot orthosis

The motorized ankle foot orthosis is a powered lower extremity assistance device with an actuated ankle joint. A novel control software has been design and implemented in this device, which allows precise joint movement and recording of data from training session.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Hemiparesis caused by a stroke.
* Age between 18 and 65 years old.
* Post-stroke time more than 6 months.
* Independent walking.
* Minimum 90 degrees of dorsiflexion.
* Muscle tone in plantar flexors less than of equal to 3 on the Modified Ashworth scale.
* Ability to follow instructions.
* Voluntary participation.

Exclusion Criteria

* Skin alterations in the lower limb.
* Peripherical vascular alterations.
* Alterations in sensitivity in the lower limb.
* Pain of musculoskeletal origin in lower extremities or spine.
* History of frequent falls.
* Cancer
* Previous history or suspected seizures.
* Patient who does not sign the informed consent.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Corporación de Rehabilitación Club de Leones Cruz del Sur

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Corporación de Rehabilitación Club de Leones Cruz del Sur

Punta Arenas, Region of Magallanes, Chile

Site Status

Countries

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Chile

References

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Pennycott A, Wyss D, Vallery H, Klamroth-Marganska V, Riener R. Towards more effective robotic gait training for stroke rehabilitation: a review. J Neuroeng Rehabil. 2012 Sep 7;9:65. doi: 10.1186/1743-0003-9-65.

Reference Type BACKGROUND
PMID: 22953989 (View on PubMed)

Nadeau S, Duclos C, Bouyer L, Richards CL. Guiding task-oriented gait training after stroke or spinal cord injury by means of a biomechanical gait analysis. Prog Brain Res. 2011;192:161-80. doi: 10.1016/B978-0-444-53355-5.00011-7.

Reference Type BACKGROUND
PMID: 21763525 (View on PubMed)

Belagaje SR. Stroke Rehabilitation. Continuum (Minneap Minn). 2017 Feb;23(1, Cerebrovascular Disease):238-253. doi: 10.1212/CON.0000000000000423.

Reference Type BACKGROUND
PMID: 28157752 (View on PubMed)

Shi B, Chen X, Yue Z, Yin S, Weng Q, Zhang X, Wang J, Wen W. Wearable Ankle Robots in Post-stroke Rehabilitation of Gait: A Systematic Review. Front Neurorobot. 2019 Aug 13;13:63. doi: 10.3389/fnbot.2019.00063. eCollection 2019.

Reference Type BACKGROUND
PMID: 31456681 (View on PubMed)

Young AJ, Ferris DP. State of the Art and Future Directions for Lower Limb Robotic Exoskeletons. IEEE Trans Neural Syst Rehabil Eng. 2017 Feb;25(2):171-182. doi: 10.1109/TNSRE.2016.2521160. Epub 2016 Jan 27.

Reference Type BACKGROUND
PMID: 26829794 (View on PubMed)

Other Identifiers

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CorporacionRCLCS0003

Identifier Type: -

Identifier Source: org_study_id

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