Condition A: Electrode Configuration: Each intervention is a specific blinded number and location of electrodes within the prosthetic arm used to control the prosthetic arm with pattern recognition myoelectric control.
Condition B: Electrode Configuration: Each intervention is a specific blinded number and location of electrodes within the prosthetic arm used to control the prosthetic arm with pattern recognition myoelectric control.
Condition C: Electrode Configuration: Each intervention is a specific blinded number and location of electrodes within the prosthetic arm used to control the prosthetic arm with pattern recognition myoelectric control.
Condition D: Electrode Configuration: Each intervention is a specific blinded number and location of electrodes within the prosthetic arm used to control the prosthetic arm with pattern recognition myoelectric control.
Study summary
This study is focused on optimizing methods for controlling upper-limb myoelectric prosthetic arms. If you are enrolled in this study you would be expected to visit one of the research sites for approximately 5 in-lab visits lasting about 4 hours. These visits are expected to happen within a 5-week period but may take longer depending on scheduling availability. During these visits you will be completing basic tasks similar to your everyday actions using a prosthetic arm that is provided for you.
Eligibility
Sex
ALL
Min age
18 Years
Max age
—
Healthy volunteers
No
Inclusion Criteria:
* Aged 18 years or older
* Unilateral transradial level limb difference
* Current or past user of myo-electric controlled prostheses
* Six months or more post-amputation
* Have adequate limb length such that a wrist rotation device can fit in the check socket
* Have adequate limb length and diameter such that at least 9 channels of electrodes fit without cross pairing
* Well-fitting socket as determined by a Socket-Comfort Score of 6 or above
* Capable of wearing and operating a prosthesis with a wrist rotator and multi-articulating hand
* Capable of understanding and following multi-step instructions and completing the tasks as described
* English speaking
Exclusion Criteria:
* Significant new injury that would prevent use of a prosthesis: The ability to consistently wear a prosthesis and perform activities of daily living and specific performance tasks is necessary to evaluate the relative benefits of the interventions.
* Cognitive impairment that would adversely affect understanding of or compliance with study requirements, ability to communicate experiences, or ability to give informed consent: The ability to understand and comply with requirements of the study is essential for the study to generate useable, reliable data. The ability to obtain relevant user feedback through questionnaires and informal discussion adds significant value to this study.
* Significant other comorbidity: Any other medical issues or injuries that would preclude completion of the study, use of the prostheses, or that would otherwise prevent acquisition of useable data by researchers.
* Pregnant participants as risk to pregnant individuals, embryos, or fetuses are not understood.
Primary outcome measure(s)
ACMC — 10 Minute task during each condition's site visit. The participant will complete a daily task (such as packing a suitcase) using their prosthetic arm. A study occupational therapist will score the participants ability along different metrics.
Trial sites (2)
Facility
City
Region
Status
Shirley Ryan AbilityLab
Chicago
Illinois
Recruiting
Liberating Technologies, Inc. (LTI)
Holliston
Massachusetts
Recruiting
More Liberating Technologies, Inc. trials in the USA
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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