Johns Hopkins University
The Bidirectional Cortical Neuroprosthetic System (BiCNS) consists of NeuroPort Microelectrode Array Systems and NeuroPort Electrodes (Sputtered Iridium Oxide Film), Patient Pedestals, the NeuroPort BioPotential Signal Processing System, and the CereStim C96 Programmable Stimulator. The goals of this early feasibility study consist of safety and efficacy evaluations of this device.
This proposed early feasibility, investigator-initiated study is led by Dr. Nathan E. Crone, M.D. at Johns Hopkins Medicine (JHM). The Bidirectional Cortical Neuroprosthetic System (BiCNS) consists of modified versions of 510(k) cleared NeuroPort Electrode Array Systems (Blackrock Microsystems, Inc., Salt Lake City, UT) as well as a neurostimulator module (CereStim R96) for long term neural recording and intracortical microstimulation (ICMS) of the brain. The BiCNS is termed bidirectional because it permits both the recording of information from the brain for controlling an end effector device…
Inclusion Criteria: Participants must meet all inclusion criteria, verified by medical evaluation, psychological evaluation, and review of medical history. Inclusion criteria include: * Participants with C4-C6 tetraplegia from any etiology except neurodegenerative disease (e.g. amyotrophic lateral sclerosis) or active cancer. * Complete or incomplete spinal cord injury classified by the American Spinal Injury Association (ASIA) as A or B or C if fewer than three muscle groups in the leg and foot (as identified in the ASIA Impairment Scale) can be contracted * Injury more than one year prior…
Surgical implantation
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