Kathleen Pelz and Richard Sire of Diablo Prosthetics and Orthotics, Inc. in Antioch showcase some of their products, including the i-LIMB Hand and the Bioness L300, a device that uses mild stimulation to lift patients feet to help them walk  especially helpful for stroke victims.&lt;br&gt;&lt;i&gt;Photo by Samie Hartley&lt;/i&gt;
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