Health

A bionic leg controlled by a patient’s mind

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Experimental "bionic" prosthetic leg
Zac Vawter, fitted with an experimental “bionic” leg, is training for the world’s tallest stair-climbing event where he’ll attempt to climb 103 flights to the top of the Willis Tower using the new prosthesis. AP
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Experimental "bionic" prosthetic leg
In this Oct. 25, 2012 photo, biomedical engineer Annie Simon, left, and research prosthetist Elizabeth Halsne fit an experimental “bionic” prosthetic leg on Zac Vawter at the Rehabilitation Institute of… AP
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Experimental "bionic" prosthetic leg
In this Oct. 25, 2012 photo, Zac Vawter kicks a soccer ball with an experimental “bionic” leg as biomedical student Aaron Young makes adjustments to the leg at the Rehabilitation… AP
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Experimental "bionic" prosthetic leg
In this Oct. 25, 2012 photo, Suzanne Finucane, a physical therapist assistant, right, and prothetist Robert Lipschutz, top, attach electrodes to Zac Vawter’s leg as he is fitted with an… AP
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Experimental "bionic" prosthetic leg
Zac Vawter’s stands on his bionic leg after he arriving on the 103rd floor of Willis Tower, becoming the first person ever to complete the task wearing the mind-controlled prosthetic… AP
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Experimental "bionic" prosthetic leg
Zac Vawter practices walking with an experimental “bionic” leg at the Rehabilitation Institute of Chicago, Thursday, Oct. 25, 2012 in Chicago. Vawter will put his bionic leg to the ultimate… AP
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Experimental "bionic" prosthetic leg
In this Oct. 25, 2012 photo, Zac Vawter practices walking with an experimental “bionic” leg at the Rehabilitation Institute of Chicago. After losing his right leg in a motorcycle accident,… AP
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Bionic Stair Climber
In this Oct. 25, 2012 photo, Dr. Levi Hargrove, lead researcher for the Rehabilitation Institute of Chicago’s Center for Bionic Medicine, holds an experimental “bionic” prosthetic leg at the institute….
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Experimental "bionic" prosthetic leg
In this Oct. 25, 2012 photo, Zac Vawter, fitted with an experimental “bionic” leg, looks down from the Ledge at the Willis Tower in Chicago. Vawter is training for the… AP