K251821 is an FDA 510(k) clearance for the ARC-EX System. This device is classified as a Transcutaneous Electrical Spine Stimulator To Improve Skeletal Muscle Strength And Sensation (Class II - Special Controls, product code SDO).
Submitted by Onward Medical, Inc. (Boston, US). The FDA issued a Cleared decision on November 14, 2025, 154 days after receiving the submission on June 13, 2025.
This device falls under the Neurology FDA review panel. Regulated under 21 CFR 890.5851. A Transcutaneous Electrical Spine Stimulator To Improve Skeletal Muscle Strength And Sensation Is A Device That Can Be Programmed To Apply An Electrical Current Via Electrodes On A Patient's Skin Over The Spine To Improve Muscle Strength And Sensation After Neurological Deficit..