Cleared Traditional

K251821 - ARC-EX System (FDA 510(k) Clearance)

Nov 2025
Decision
154d
Days
Class 2
Risk

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..

Submission Details

510(k) Number K251821 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 13, 2025
Decision Date November 14, 2025
Days to Decision 154 days
Submission Type Traditional
Review Panel Neurology (NE)
Summary Summary PDF

Device Classification

Product Code SDO - Transcutaneous Electrical Spine Stimulator To Improve Skeletal Muscle Strength And Sensation
Device Class Class II - Special Controls
CFR Regulation 21 CFR 890.5851
Definition 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.