Cleared Traditional

K253764 - ENOS Software Guided External Fixation System (FDA 510(k) Clearance)

Feb 2026
Decision
93d
Days
Class 2
Risk

K253764 is an FDA 510(k) clearance for the ENOS Software Guided External Fixation System. This device is classified as a Software For Diagnosis/treatment (Class II - Special Controls, product code OSN).

Submitted by Disior, Ltd. (Helsinki Uusimaa, US). The FDA issued a Cleared decision on February 26, 2026, 93 days after receiving the submission on November 25, 2025.

This device falls under the Orthopedic FDA review panel. Regulated under 21 CFR 888.3030. Software Associated With An Orthopedic Trauma Device Which Is Intended For The Diagnosis Or Treatment Of Traumatic Or Reconstructive Orthopedic Conditions.

Submission Details

510(k) Number K253764 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 25, 2025
Decision Date February 26, 2026
Days to Decision 93 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF

Device Classification

Product Code OSN — Software For Diagnosis/treatment
Device Class Class II - Special Controls
CFR Regulation 21 CFR 888.3030
Definition Software Associated With An Orthopedic Trauma Device Which Is Intended For The Diagnosis Or Treatment Of Traumatic Or Reconstructive Orthopedic Conditions