Studying Electromyographic Activity in Patients With Upper Limb Amputations
Not Applicable
Completed
- Conditions
- Amputation, Traumatic
- Interventions
- Other: Fine wire EMG electrodes
- Registration Number
- NCT02956603
- Lead Sponsor
- University of Michigan
- Brief Summary
The primary purpose of this study is to determine the extent to which the Regenerative Peripheral Nerve Interface ( i.e. reinnervation of partial muscle grafts by residual peripheral nerves) enables both the generation of high-performance motor control signals for prosthetic limbs, and the input of sensory percepts by electrical stimulation.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 18
Inclusion Criteria
Not provided
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Exclusion Criteria
Not provided
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Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Neuroma Graft Fine wire EMG electrodes In this arm, participants have already had partial muscle grafts placed on the amputated nerves to control neuroma growth. The investigators will place small electrodes percutaneously into the muscle grafts to record EMG signals and electrically stimulate the implanted nerves. Able Bodied Fine wire EMG electrodes The investigators will place small electrodes percutaneously into intact muscles in the arm to record EMG signals and electrically stimulate the intact nerves nearby. Prosthetic Control Graft Fine wire EMG electrodes In this arm, participants will have an initial surgery to place partial muscle grafts on the amputated nerves. After a healing period, the investigators will place small electrodes percutaneously into the muscle grafts to record EMG signals and electrically stimulate the implanted nerves.
- Primary Outcome Measures
Name Time Method Amplitude of EMG signal <4 hours Number of separate sensory percepts evoked <4 hours
- Secondary Outcome Measures
Name Time Method