Cleared Special

K251731 - KARL STORZ Flexible Intubation Video Endoscope – Sterile (FIVE-S) (0916612) (FDA 510(k) Clearance)

Class II Ear, Nose, Throat device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K251731 · Karl Storz SE & CO. KG · Ear, Nose, Throat device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 2025
Decision
182d
Days
Class 2
Risk

K251731 is an FDA 510(k) clearance for the KARL STORZ Flexible Intubation Video Endoscope – Sterile (FIVE-S) (0916612). Classified as Bronchoscope (flexible Or Rigid) (product code EOQ), Class II - Special Controls.

Submitted by Karl Storz SE & CO. KG (Tuttlingen, DE). The FDA issued a Cleared decision on December 5, 2025 after a review of 182 days - an extended review cycle.

This device falls under the Ear, Nose, Throat FDA review panel, regulated under 21 CFR 874.4680 - the FDA ear, nose and throat device framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Standard predicate reliance. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Karl Storz SE & CO. KG devices

Submission Details

510(k) Number K251731 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 06, 2025
Decision Date December 05, 2025
Days to Decision 182 days
Submission Type Special
Review Panel Ear, Nose, Throat (EN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
93d slower than avg
Panel avg: 89d · This submission: 182d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code EOQ Bronchoscope (flexible Or Rigid)
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 874.4680
Definition A Bronchoscope (flexible Or Rigid) And Accessories Is A Tubular Endoscopic Device With Any Of A Group Of Accessory Devices Which Attach To The Bronchoscope And Is Intended To Examine Or Treat The Larynx And Tracheobronchial Tree. If The Device Is Reprocessed, Reprocessing Validation Data For This Device Type Must Be Included In A 510(k) Submission. If The Device Is Reusable, Validated Reprocessing Instructions And Reprocessing Validation Data For This Device Type Must Be Included In A 510(k) Submission (82 Fr 26807, Available At Https://www.gpo.gov/fdsys/pkg/fr-2017-06-09/pdf/2017-12007.pdf).
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Ear, Nose, Throat devices follow this clearance model.

Regulatory Peers - EOQ Bronchoscope (flexible Or Rigid)

All 236
Devices cleared under the same product code (EOQ) and FDA review panel - the closest regulatory comparables to K251731.
EVIS EXERA III BRONCHOVIDEOSCOPE (OLYMPUS BF-Q190)
K252341 · Olympus Medical Systems Corp. · Apr 2026
LoopView® Single-Use Digital Flexible Bronchoscope (B27-C, B27-CG)
K260420 · MacroLux Medical Technology Co., Ltd. · Apr 2026
FUJIFILM Ultrasonic Endoscope EB-710US
K250863 · Fujifilm Corporation · Dec 2025
Himaging Bronchscope System
K251894 · Himaging Technology (Shanghai) Co., Ltd. · Sep 2025
Ion Endoluminal System (IF1000)
K252045 · Intuitive Surgical, Inc. · Sep 2025
Ion Endoluminal System (IF1000)
K252528 · Intuitive Surgical, Inc. · Sep 2025