Paralyzed Veteran Regains Use of Arm - VA Northeast Ohio Healthcare System
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Paralyzed Veteran Regains Use of Arm

Bill Kochevar, a Navy Veteran and spinal cord injury patient, participates in BrainGate2 research, using the implanted technology to move his arm.

Bill Kochevar, a Navy Veteran and spinal cord injury patient, participates in BrainGate2 research, using the implanted technology to move his arm.

Tuesday, March 28, 2017

Paralyzed Cleveland, Navy Veteran Regains Use of Arm with Implanted System

When a person has a spinal cord injury, their spinal cord no longer transmits messages from their brain to their muscles for movement. The messages are still drafted and they hit the “send” button, but the spinal cord injury prevents the messages from reaching the intended target.  This was the case for U.S. Navy Veteran, Bill Kochevar after his bicycle accident in 2006.  He was left completely paralyzed with only the ability to partially shrug his right shoulder.

Now, thanks to Kochevar’s participation in BrainGate2, he can use his right arm to make meaningful movements like scratching his nose, drinking coffee, and even feeding himself mashed potatoes. BrainGate2 is a pilot clinical trial being conducted by a consortium of academic, clinical and VA institutions using a brain-computer interface (BCI) and functional electrical stimulation (FES) system to reconnect his brain to paralyzed muscles.

Released March 28, 2017, in The Lancet, this research study is believed to be the first instance in the world of a person with severe and chronic paralysis directly using their own brain activity to move their own arm and hand to perform functional movements.

“For somebody who’s been inured eight years and couldn’t move, being able to move just that little bit is awesome to me,” said Kochevar. “It’s better than I thought it would be.”  Eight years of muscle atrophy required exercising the muscles to increase strength, range of motion and endurance to get the full effect of the combined systems.

Kochevar travels just a short distance down the hall from the Cleveland VA’s Long-Term Spinal Cord Injury Unit to participate in the study. He and the researchers benefit from the close proximity between his VA care facility and the FES Center’s VA research lab.  

Other studies have shown persons with paralysis moving wheelchairs, cursors on a computer screen, and robotic arms. Some studies have even had persons with significantly less paralysis regain hand grasp assistance, but none have involved such a severely paralyzed person regaining the ability to use his own arm.  The study results suggest that one day, this technology could make its way to becoming the standard of clinical care for persons with chronic and complete paralysis.  The technology could also be applied to other neurological injuries in the future.

BrainGate2 is the combination of the recording and translating capabilities of the brain computer interface (records the pattern of electrical activity and uses mathematical algorithms to decipher the activity into movement commands) and the functional electrical stimulation (FES) system that turns the movement commands into electrical signals that then stimulate the right group of muscles to produce the intended movement.    

A video explaining BrainGate2 and showing Kochevar’s use of the system can be found here:

The BrainGate2 research is led by Case Western Reserve University, the Cleveland Functional Electrical Stimulation (FES) Center at the Louis Stokes Cleveland VA Medical Center and University Hospitals Cleveland Medical Center (UH). The research work with Bill takes place here at the Cleveland VA Medical Center in the FES Center’s lab.  

The study is a long-running collaboration between: Bob Kirsch, chair of Case Western Reserve’s Department of Biomedical Engineering and executive director of the FES Center and Principal Investigator and senior author; Bolu Ajiboye, assistant professor of biomedical engineering, Case Western Reserve University and research scientist, Louis Stokes Cleveland VA Medical Center and lead study author,and, the multi-institutional BrainGate consortium. Leigh Hochberg, MD, PhD, a neurologist and neuroengineer at Massachusetts General Hospital, Brown University and the VA RR&D Center for Neurorestoration and Neurotechnology in Providence, Rhode Island, directs the pilot clinical trial of the BrainGate system and is a study co-author for BrainGate2.  

Other researchers involved with the study include: Francis R. Willett, Daniel Young, William Memberg, Brian Murphy, PhD, and P. Hunter Peckham, PhD, from Case Western Reserve; Jonathan Miller, MD and Benjamin Walter, MD, Jennifer Sweet, MD from University Hospitals Cleveland Medical Center; Harry Hoyen, MD, and Michel Keith, MD from MetroHealth Medical Center; John Simeral, PhD from Brown University and the Providence VA Medical Center and John Donoghue, PhD, Wyss Center, Switzerland.


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