Cleared Traditional

K220591 - Proxima

K220591 is an FDA 510(k) clearance for Proxima, manufactured by Dynasthetics, LLC. The device is a Class 2 Anesthesiology device with product code NFB cleared through the Traditional 510(k) pathway after a 289-day FDA review.

K220591 · Dynasthetics, LLC · Anesthesiology device
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Dec 2022
Decision
289d
Days
Class 2
Risk

K220591 is an FDA 510(k) clearance for the Proxima. Classified as Conserver, Oxygen (product code NFB), Class II - Special Controls.

Submitted by Dynasthetics, LLC (Salt Lake City, US). The FDA issued a Cleared decision on December 15, 2022 after a review of 289 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.5905 - 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. Standard predicate reliance. 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 Dynasthetics, LLC devices

FDA 510(k) Submission Details - K220591

510(k) Number K220591 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 01, 2022
Decision Date December 15, 2022
Days to Decision 289 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
149d slower than avg
Panel avg: 140d · This submission: 289d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

NFB Device Classification - Class 2, Special Controls

Product Code NFB Conserver, Oxygen
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.5905
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 Consultant

ProMedic Consulting, LLC
Paul Dryden

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - NFB Conserver, Oxygen

All 17
Devices cleared under the same product code (NFB) and FDA review panel - the closest regulatory comparables to K220591.
Respond OC Conserving Regulator (130-0800)
K250322 · Responsive Respiratory · Jul 2025
Effortless Oxygen Conserver System Models Effortless Pro and Effortless Mobile
K221014 · Effortless Oxygen, LLC · Oct 2022
Apogee
K200401 · Incoba Ltd D/B/A Dynaris · Nov 2020
Demand Nasal Oxygen Cannula, Modified Demand Nasal Oxygen Cannula
K151506 · Salter Labs · Mar 2016
EOCD
K041568 · Respironics, Inc. · Jul 2004
EASY PULSE II OXYGEN CONSERVER
K032018 · Precision Medical, Inc. · Aug 2003