| Respond OC Conserving Regulator (130-0800) (K250322) | Responsive Respiratory | 2025-07-24 |
| Proxima (K220591) | Dynasthetics, LLC | 2022-12-15 |
| Effortless Oxygen Conserver System Models Effortless Pro and Effortless Mobile (K221014) | Effortless Oxygen, LLC | 2022-10-17 |
| Apogee (K200401) | Incoba Ltd D/B/A Dynaris | 2020-11-14 |
| Demand Nasal Oxygen Cannula, Modified Demand Nasal Oxygen Cannula (K151506) | Salter Labs | 2016-03-11 |
| THERAFLOW SINGLE LUMEN AND THERAFLOW DUAL LUMEN (K131023) | Medical Products, LLC | 2013-10-11 |
| CHAD THERAPEUTIC EVOLUTION ELECTRONIC OXYGEN CONSERVER WITH MOTION (K113111) | Inovo, Inc. | 2011-12-08 |
| CHAD THERAPEUTIC EVOLUTION ELECTRONIC OXYGEN CONSERVER (K103392) | Inovo, Inc. | 2010-12-17 |
| MODEL 350G GAS CONSERVER (K090421) | Inspired Technologies, Inc. | 2009-05-29 |
| CHAD THERAPEUTICS BONSAI MODEL 800 (K070740) | Chad Therapeutics, Inc. | 2007-05-07 |
| INOVO, INC. ACCUPULSE SINGLE LUMEN CONSERVING REGULATOR (K060751) | Inovo, Inc. | 2006-07-18 |
| FLO-RITE, MODEL 478-1; FLO-RITE II, MODEL 478-1; SIMPULSE II, MODEL 478-2S; NUMATIX, MODEL NCD401; SIMPULSE, MODEL 478-1 (K060382) | Ameriflo Corp. | 2006-04-19 |
| INOGEN SATELLITE CONSERVER, MODEL SC-100 (K052563) | Medical Electronic Devices, Inc. | 2005-10-24 |
| INOVO, INC. INDEPENDENCE OXYGEN CONSERVING REGULATOR (K051540) | Inovo, Inc. | 2005-09-21 |
| OXY-SERVE II OXYGEN CONSERVING REGULATOR (K051988) | Superior Products, Inc. | 2005-09-21 |
| ACCU02 SYSTEM (K051007) | Miti Corp. | 2005-06-16 |
| CHAD THERAPEUTICS LOTUS, MODELS OM-700 AND OM-700S (K042142) | Chad Therapeutics, Inc. | 2004-09-20 |
| FLO-RITE (K041057) | Ameriflo Corp. | 2004-08-12 |
| EOCD (K041568) | Respironics, Inc. | 2004-07-21 |
| INOGEN SATELLITE CONSERVER (K033197) | Medical Electronic Devices, Inc. | 2004-05-13 |
| CHAD THERAPEUTICS SAGE (K033364) | Chad Therapeutics, Inc. | 2004-05-11 |
| ESSEX HIGH PRESSURE (HP) OCD AND ESSEX ESCORT PNEUMATIC CONSERVER (K024023) | Essex Medical Systems Plus | 2003-10-01 |
| INOVO, INC, ECONOMIZER CONSERVING REGULATOR (K031983) | Inovo, Inc. | 2003-09-15 |
| EASY PULSE II OXYGEN CONSERVER (K032018) | Precision Medical, Inc. | 2003-08-25 |
| AIRLIFE DEMAND NASAL CANNULA (K023673) | Allegiance Healthcare Corp. | 2003-05-02 |
| 6203 (K022865) | Contemporary Products, Inc. | 2003-02-13 |
| PULSED OXYGEN CONSERVING DEVICE - EVERY BREATH, POCDEB, REACTEB (K023420) | Medical Electronic Devices, Inc. | 2002-10-25 |
| CHAD THERAPEUTICS OXYPENUMATIC CYPRESS MODEL 511 (K020475) | Chad Therapeutics, Inc. | 2002-07-05 |
| DEVILBISS PD1000 (K020329) | Sunrise Medical Hhg, Inc. | 2002-06-19 |
| OPC OXYGEN CONSERVING REGULATOR, MODEL AHG 1968, LIN-7005, MDL-7609, MEM-7612, OPC-830 (K010747) | Western Ent. | 2001-05-16 |
| CHAD THERAPEUTICS OXYMATIC MODEL 401 AND OXYMATIC MODEL 411 (K010389) | Chad Therapeutics, Inc. | 2001-03-23 |
| PM 1800 CONSERVING DEVICE (K001412) | Precision Medical, Inc. | 2001-03-20 |
| MODIFICATION TO CHAD THERAPEUTICS OXYMATIC MODEL 401 (K003455) | Chad Therapeutics, Inc. | 2000-12-06 |
| VENTURE IDD OXYGEN CONSERVING DEVICE IDD 20EX AND 50EX (K002284) | Invacare Corp. | 2000-10-24 |
| IMPULSE SELECT (K001579) | Airsep Corp. | 2000-08-31 |
| OCD2001 (K992935) | Contemporary Products, Inc. | 2000-06-20 |
| CHAD THERAPEUTICS OXYMATIC MODEL 401 (K000890) | Chad Therapeutics, Inc. | 2000-06-16 |
| O2N DEMAND-II, VICTOR MODEL OCPR-II (K992659) | Thermadyne Holings Corp. | 1999-09-03 |
| TRANSTRACHEAL DEMAND OXYGEN CONTROLLER MODEL DOC-3000 (K982943) | Transtracheal Systems | 1999-07-12 |
| PNEUMATIC DEMAND OXYGEN CONSERVER (PDOC) (K990678) | Salter Labs | 1999-05-07 |
| DEMAND OXYGEN CONSERVING DEVICE, DOCD, THE DOC (K983601) | Medical Electronic Devices, Inc. | 1998-12-15 |
| PULSED OXYGEN CONSERVING DEVICE, POCD (K983459) | Medical Electronic Devices, Inc. | 1998-12-08 |
| SANPO I (K964541) | Koike Medical Co. | 1997-09-26 |
| FLOTEC OXYSAVRR (S) (K970371) | Flotec, Inc. | 1997-07-10 |
| VICTOR MODEL OCPR OXYGEN CONSERVING PRESSURE REGULATOR (K963247) | Thermadyne Holings Corp. | 1996-11-07 |
| TRANSTRACHEAL DEMAND OXYGEN CONTROLLER (DOC-2000) (K962944) | Transtracheal Systems | 1996-10-23 |
| PULSE DOSE SERIES (K961126) | Devilbiss Health Care, Inc. | 1996-10-21 |
| AIRSEP IMPULSE (K962766) | Airsep Corp. | 1996-10-10 |
| OXYPULSE EOC I, EOC II & EOC R (K955129) | Eagle Medical Equipment Co. | 1996-02-16 |
| MODEL IPD OXYGEN CONSERVING DEVICE (K953852) | Invacare Corp. | 1995-11-22 |
| MEDISONIC OXYGEN FLOW CONTROLLER (K923660) | Medisonic U.S.A., Inc. | 1993-01-27 |
| HALA'TUS 1 OXYGENATOR (K903504) | The Henry G. Dietz Co., Inc. | 1991-01-28 |
| THE ORIGINAL PULSE-PAK (K892639) | Jones Sales Co. | 1989-10-05 |
| MODIFIED DEMAND NASAL OXYGEN CANNULA (K892407) | Salter Labs | 1989-07-24 |
| DEVILBISS MODEL 1400D (OXYGEN CONSERVING DEVICE) (K890141) | Devilbiss Health Care, Inc. | 1989-04-06 |
| DEMAND NASAL OXYGEN CANNULA MODELS 4008/4108/4208 (K890298) | Salter Labs | 1989-02-23 |
| OXYMATIC-24 (K884562) | Chad Therapeutics, Inc. | 1989-01-09 |
| VOYAGER/X (K884754) | Smith-Perry Corp. | 1989-01-04 |
| OXYTROL (K883590) | Cryogenic Assoc. | 1988-11-02 |
| BUNN MODEL 50 OXYGEN FLOW CONTROLLER (K883216) | The John Bunn Co. | 1988-08-18 |
| OXYGEN SUPPLY CONTROL REGULATOR (OSCR) (K874804) | Transamerica Products, Inc. | 1988-02-11 |
| COMPANION MINI OXYGEN SAVER (K873901) | Puritan Bennett Corp. | 1987-12-02 |
| MECHANICAL OXYGEN REGULATOR (K864127) | Travomed, Inc. | 1986-11-13 |
| COMPANION OXYGEN SAVER (K863695) | Puritan Bennett Corp. | 1986-10-15 |
| MAXI-USE O2 DEVICE (K861325) | B & F Medical Products, Inc. | 1986-09-09 |
| BUNN MODEL 22 OXYGEN FLOW CONTROLLER (K861199) | The John Bunn Co. | 1986-08-26 |
| AUTO PRO (K853378) | Respiration Technology, Inc. | 1985-09-19 |
| OXYMATICTM ELECTRONIC OXGYEN CONSERVER (K852650) | Chad Therapeutics, Inc. | 1985-08-13 |
| DEMAND OXYGEN SAUER DOS2 MODEL 10 (K851235) | Applied Membrane Technology, Inc. | 1985-04-30 |
| OXYMIZER-PENDANT (K834588) | Chad Therapeutics, Inc. | 1984-03-19 |
| OXYMIZER (K830009) | Chad Therapeutics, Inc. | 1983-04-02 |