Browse hierarchy: [Anesthesiology (AN)](/submissions/AN) → [Subpart F — Therapeutic Devices](/submissions/AN/subpart-f%E2%80%94therapeutic-devices) → [21 CFR 868.5905](/submissions/AN/subpart-f%E2%80%94therapeutic-devices/868.5905) → NFB — Conserver, Oxygen # NFB · Conserver, Oxygen _Anesthesiology · 21 CFR 868.5905 · Class 2_ **Canonical URL:** https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB ## Overview - **Product Code:** NFB - **Device Name:** Conserver, Oxygen - **Regulation:** [21 CFR 868.5905](/submissions/AN/subpart-f%E2%80%94therapeutic-devices/868.5905) - **Device Class:** 2 - **Review Panel:** [Anesthesiology](/submissions/AN) - **3rd-party reviewable:** yes ## Identification A noncontinuous ventilator (intermittent positive pressure breathing-IPPB) is a device intended to deliver intermittently an aerosol to a patient's lungs or to assist a patient's breathing. ## Classification Rationale Class II (performance standards). ## Recent Cleared Devices (20 of 71) Showing 20 most recent of 71 cleared devices. | Record | Device Name | Applicant | Decision Date | Decision | | --- | --- | --- | --- | --- | | [K250322](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K250322.md) | Respond OC Conserving Regulator (130-0800) | Responsive Respiratory | Jul 24, 2025 | SESE | | [K220591](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K220591.md) | Proxima | Dynasthetics, LLC | Dec 15, 2022 | SESE | | [K221014](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K221014.md) | Effortless Oxygen Conserver System Models Effortless Pro and Effortless Mobile | Effortless Oxygen, LLC | Oct 17, 2022 | SESE | | [K200401](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K200401.md) | Apogee | Incoba Ltd D/B/A Dynaris | Nov 14, 2020 | SESE | | [K151506](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K151506.md) | Demand Nasal Oxygen Cannula, Modified Demand Nasal Oxygen Cannula | Salter Labs | Mar 11, 2016 | SESE | | [K131023](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K131023.md) | THERAFLOW SINGLE LUMEN AND THERAFLOW DUAL LUMEN | Medical Products, LLC | Oct 11, 2013 | SESE | | [K113111](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K113111.md) | CHAD THERAPEUTIC EVOLUTION ELECTRONIC OXYGEN CONSERVER WITH MOTION | Inovo, Inc. | Dec 8, 2011 | SESE | | [K103392](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K103392.md) | CHAD THERAPEUTIC EVOLUTION ELECTRONIC OXYGEN CONSERVER | Inovo, Inc. | Dec 17, 2010 | SESE | | [K090421](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K090421.md) | MODEL 350G GAS CONSERVER | Inspired Technologies, Inc. | May 29, 2009 | SESE | | [K070740](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K070740.md) | CHAD THERAPEUTICS BONSAI MODEL 800 | Chad Therapeutics, Inc. | May 7, 2007 | SESE | | [K060751](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K060751.md) | INOVO, INC. ACCUPULSE SINGLE LUMEN CONSERVING REGULATOR | Inovo, Inc. | Jul 18, 2006 | SESE | | [K060382](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K060382.md) | FLO-RITE, MODEL 478-1; FLO-RITE II, MODEL 478-1; SIMPULSE II, MODEL 478-2S; NUMATIX, MODEL NCD401; SIMPULSE, MODEL 478-1 | Ameriflo Corp. | Apr 19, 2006 | SESE | | [K052563](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K052563.md) | INOGEN SATELLITE CONSERVER, MODEL SC-100 | Medical Electronic Devices, Inc. | Oct 24, 2005 | SESE | | [K051988](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K051988.md) | OXY-SERVE II OXYGEN CONSERVING REGULATOR | Superior Products, Inc. | Sep 21, 2005 | SESE | | [K051540](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K051540.md) | INOVO, INC. INDEPENDENCE OXYGEN CONSERVING REGULATOR | Inovo, Inc. | Sep 21, 2005 | SESE | | [K051007](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K051007.md) | ACCU02 SYSTEM | Miti Corp. | Jun 16, 2005 | SESE | | [K042142](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K042142.md) | CHAD THERAPEUTICS LOTUS, MODELS OM-700 AND OM-700S | Chad Therapeutics, Inc. | Sep 20, 2004 | SESE | | [K041057](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K041057.md) | FLO-RITE | Ameriflo Corp. | Aug 12, 2004 | SESE | | [K041568](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K041568.md) | EOCD | Respironics, Inc. | Jul 21, 2004 | SESE | | [K033197](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB/K033197.md) | INOGEN SATELLITE CONSERVER | Medical Electronic Devices, Inc. | May 13, 2004 | SESE | ## Top Applicants - Chad Therapeutics, Inc. — 11 clearances - Inovo, Inc. — 5 clearances - Medical Electronic Devices, Inc. — 5 clearances - Salter Labs — 4 clearances - Airsep Corp. — 2 clearances --- **Source:** [https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB](https://fda.innolitics.com/submissions/AN/subpart-f%E2%80%94therapeutic-devices/NFB) **Published by [Innolitics](https://innolitics.com)** — a medical-device software consultancy. 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