Cleared Traditional

K252399 - Portable Oxygen Concentrator

K252399 is an FDA 510(k) clearance for Portable Oxygen Concentrator, manufactured by Honsun (Nantong) Co., Ltd.. The device is a Class 2 Anesthesiology device with product code CAW cleared through the Traditional 510(k) pathway after a 321-day FDA review.

K252399 · Honsun (Nantong) Co., Ltd. · Anesthesiology device
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Jun 2026
Decision
321d
Days
Class 2
Risk

K252399 is an FDA 510(k) clearance for the Portable Oxygen Concentrator. Classified as Generator, Oxygen, Portable within the CAW classification (a category for home-use oxygen therapy and respiratory devices), Class II - Special Controls.

Submitted by Honsun (Nantong) Co., Ltd. (Nantong, CN). The FDA issued a Cleared decision on June 17, 2026 after a review of 321 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5440 - the FDA anesthesiology and respiratory device framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Honsun (Nantong) Co., Ltd. devices

FDA 510(k) Submission Details - K252399

510(k) Number K252399 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 31, 2025
Decision Date June 17, 2026
Days to Decision 321 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
181d slower than avg
Panel avg: 140d · This submission: 321d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

CAW Device Classification - Class 2, Special Controls

Product Code CAW Generator, Oxygen, Portable
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5440
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 Anesthesiology devices follow this clearance model.

Regulatory Peers - CAW Generator, Oxygen, Portable

All 92
Devices cleared under the same product code (CAW) and FDA review panel - the closest regulatory comparables to K252399.
Oxygen Concentrator (OX-5A, OX-5C)
K252965 · Oxytek Medical Technology Co., Ltd. · May 2026
OxyGo Portable Oxygen Concentrator (1400-7000)
K252407 · Mv Life, LLC · Apr 2026
DeVilbiss 5 Liter Oxygen Concentrator (555)
K253549 · Devilbiss Healthcare, LLC · Mar 2026
Oxygen Concentrator (J10A)
K251534 · Foshan Kycare Medical Equipment Co., Ltd. · Dec 2025
Oxygen Concentrator-P2-O5E
K251764 · Qingdao Kingon Medical Science and Technology Co., Ltd. · Dec 2025
Portable oxygen concentrator (JLO-190P)
K252616 · Shenzhen Homed Medical Device Co., Ltd. · Dec 2025