- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03412656
Assessing Force Feedback With the SoftHand Pro (CUFF)
November 18, 2020 updated by: Kristin Zhao, PhD
Assessing the Effectiveness of Upper-limb Force Feedback With the SoftHand Pro Myoelectric Prosthesis in Persons With Transradial Limb Loss
The trial is designed to test the effectiveness of a force-feedback cuff in combination with a myoelectric prosthesis in conveying information on grasp strength to the user, as well as the user's preference regarding the feature.
Study Overview
Status
Completed
Conditions
Intervention / Treatment
Detailed Description
The human sensorimotor control system uses both feedforward planning and sensory feedback information, in order to actuate the musculoskeletal system and interact with the external environment, e.g. when modulating grip force for various object properties.
As a result, lack of sensory input, as in the case of motor impairments or amputations, can dramatically affect activities of daily living (ADLs).
The contribution of the proposed research will be to test the effectiveness of a novel, non-invasive prosthetic technology in delivering sensory information.
The investigators' approach is "modality matching," in that it produces a sensation in the user similar to the type of information to be transmitted.
Specifically, the approach will combine the Soft Hand Pro (SHP), an anthropomorphic, myoelectrically controlled prosthetic hand, with an upper limb force feedback device (CUFF) to provide patients with transradial amputations with grasp force (pressure) information.
Study Type
Interventional
Enrollment (Actual)
27
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Minnesota
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Rochester, Minnesota, United States, 55905
- Mayo Clinic in Rochester
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
Inclusion Criteria:
- age > 18 years.
- no prior experience with the CUFF device.
- history of elbow disarticulation, transradial, or transhumeral limb loss (non-control subjects only).
Exclusion Criteria:
- amputation for less than 6 months
- clinical history of brachial plexopathy, cervical radiculopathy or polyneuropathy
- orthopedic, joint degeneration (i.e., arthritis, verified by x-ray) affecting the hand or cervical spine that severely limit upper limb function
- visual problems that would interfere with the grasp task
- co-existing central nervous system disease with symptoms that limit upper extremity function (e.g., multiple sclerosis, motor neuron disease, myasthenia gravis, Parkinson's disease, dystonia) revealed in medical history
- significant rigidity as assessed through range of motion testing
- active psychiatric illness
- significant cognitive impairments (a score < 24 on the Mini-Mental State Examination)
- use of medications that might affect sensory and/or motor functions
- inability to effectively control myoelectrics for study purposes (control subjects only)
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Device Feasibility
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Patient
Testing will include assessments of activities of daily living (ADLs) by a physical therapist, biomechanical measures of forces applied to objects and motion of the upper limb collected during commonly-performed tasks, and surveys assessing user preference regarding the force feedback feature, all while using the SoftHand Pro myoelectric lower arm prosthetic and the CUFF force feedback devices in tandem, utilizing the subjects' own prosthetic sockets.
Grip force will be recorded using sensors attached to the CUFF device.
During each session, videos will be obtained of the subjects performing tasks for kinematics analysis.
The experimental sessions are organized into one to two sessions, comprising up to 16 hours, as determined by subject availability.
|
Participants will complete various movement and activity of daily living (ADL) assessments to test the effectiveness of the CUFF device in combination with the Soft Hand Pro (SHP) in conveying haptic force feedback to patients with transradial limb loss, and to assess the extent to which the grip force feedback improves the embodiment of the prosthetic device.
Other Names:
|
Other: Control
Testing will include assessments of activities of daily living (ADLs) by a physical therapist, biomechanical measures of forces applied to objects and motion of the upper limb collected during commonly-performed tasks, and surveys assessing user preference regarding the force feedback feature, all while using the SoftHand Pro myoelectric lower arm prosthetic and the CUFF force feedback devices in tandem, utilizing an adapter simulating a prosthetic socket.
Grip force will be recorded using sensors attached to the CUFF device.
During each session, videos will be obtained of the subjects performing tasks for kinematics analysis.
The experimental sessions are organized into one to two sessions, comprising up to 16 hours, as determined by subject availability.
|
Participants will complete various movement and activity of daily living (ADL) assessments to test the effectiveness of the CUFF device in combination with the Soft Hand Pro (SHP) in conveying haptic force feedback to patients with transradial limb loss, and to assess the extent to which the grip force feedback improves the embodiment of the prosthetic device.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Conveyance of force feedback
Time Frame: 1 year
|
Assessments will measure the extent to which the CUFF device conveys haptic force feedback, when used in combination with the Soft Hand Pro.
|
1 year
|
Improvement to device embodiment through addition of grip force feedback
Time Frame: 1 year
|
Assessments will determine any improvement of device embodiment from the addition of grip force feedback to the Soft Hand Pro.
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1 year
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Karen L. Andrews, M.D., Mayo Clinic
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
Helpful Links
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 17, 2017
Primary Completion (Actual)
June 14, 2019
Study Completion (Actual)
June 14, 2019
Study Registration Dates
First Submitted
January 21, 2018
First Submitted That Met QC Criteria
January 21, 2018
First Posted (Actual)
January 26, 2018
Study Record Updates
Last Update Posted (Actual)
November 20, 2020
Last Update Submitted That Met QC Criteria
November 18, 2020
Last Verified
November 1, 2020
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 17-005611
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
Yes
product manufactured in and exported from the U.S.
No
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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