| PRO2 Elite Plus Oxygen Analyzer (PRO2PLUS-1) (K261389) | Salter Labs | 2026-07-30 |
| OxyMinder Pro (10310) (K251245) | Bio-Med Device, Inc. | 2025-08-11 |
| Smart Check O2 (MA0236) (K250002) | Life Spark Medical, LLC | 2025-04-24 |
| Maxtec MaxO2 ME+p (K221734) | Maxtec, LLC | 2023-04-01 |
| Percent Oxygen Sensors (K213933) | Careox, LLC | 2022-08-19 |
| OxyMinder (K213948) | Bio-Med Devices, Inc. | 2022-03-17 |
| Accu O2 Oxygen Analyzer (K173807) | Precision Medical, Inc. | 2018-05-02 |
| MaxO2ME (K153659) | Maxtec, LLC | 2016-06-10 |
| CARESCAPE RESPIRATORY MODULES, E-SCO, E-SCOV, E-SCAIOV AND ACCESSORIES (K123195) | GE Healthcare Finland Oy | 2013-02-28 |
| ENVITEC MYSIGN O OXYGEN MEASURING DEVICE (K122290) | Envitec-Wismar GmbH | 2013-01-23 |
| ULTRAMAXO2 OXYGEN ANALYER (K112402) | Maxtec, LLC | 2011-12-14 |
| ENVITEC MEDICAL OXYGEN SENORS, MODELS OOM101; 00M102/-1;OOM103/-1/-1M;OOM104;OOM105;00M106 (K082655) | Envitec-Wismar GmbH | 2008-11-25 |
| DIGIFLO CONCENTRATOR ANALYZER (K072469) | Digiflo, Inc. | 2008-01-03 |
| PRECISION OXYGEN MONITOR (K063096) | Precision Medical, Inc. | 2007-02-27 |
| MAXO2 CU (K063488) | Maxtec, Inc. | 2007-02-22 |
| OXYGEN ANALYZER, MODELS AII 20000A, AII 2000HC, AII 2000M (K053407) | Analytical Industries, Inc. | 2006-04-05 |
| DATEX-OHMEDA S/5 COMPACT AIRWAY MODULE (MODEL FAMILY E-CAIOVX) E-CAIOVX, E-CAIOV, E-CAIO, E-COVX, E-COV, E-CO & ACCESACC (K051092) | GE Healthcare | 2005-05-25 |
| OXYGEN MEDICELS, CITICELS (K041773) | City Technology Limited | 2004-07-15 |
| MAXO2+, MODEL A AND AE (K040484) | Maxtec, Inc. | 2004-06-09 |
| RX300 OXYGEN ANALYZER (K024228) | Teledyne Analytical Instruments | 2003-07-17 |
| MX 300 OXYGEN MONITOR (K024155) | Teledyne Analytical Instruments | 2003-07-17 |
| OXICHECK (K023565) | Caradyne, Ltd. | 2003-03-28 |
| PRIMA OXYGEN MONITOR (K010318) | Penlon , Ltd. | 2001-07-23 |
| 'ALL 2000' % OXYGEN ANALYZER (K002382) | Analytical Industries, Inc. | 2001-03-14 |
| 100 SERIES OXYGEN ANALYZER, MODELS 1000-E AND 1000-I (K010382) | Sensidyne, Inc. | 2001-03-01 |
| M-XX OXYGEN SENSORS (K002384) | International Business Strategies | 2000-12-15 |
| SENSIDYNE OXYGEN ANALYZER & SENSIDYNE OXYGEN MONITOR (K000700) | Sensidyne, Inc. | 2000-08-31 |
| OXYGEN SENSORS, MODELS CIR, C2R, R13, R15, RI7MED, R22MED, R23, R24MED, R29MED, T1, T2,T4, T7 & UFO130 (K001095) | Teledyne Analytical Instruments | 2000-06-30 |
| TED 200T7 OXYGEN MONITOR (K990403) | Teledyne Electronic Technologies | 2000-02-03 |
| TED 60T OXYGEN ANALYZER (K990457) | Teledyne Electronic Technologies | 1999-11-09 |
| SIEMENS FIO2 SENSOR (K991884) | Siemens Medical Solutions USA, Inc. | 1999-11-03 |
| INVACARE CHECK O2 PLUS CONCENTRATOR ANALYZER (CHECK O2 PLUS) (K984295) | Invacare Corp. | 1999-07-09 |
| PRO2 CHECK OXYGEN INDICATOR (K983500) | Medical Technology Specialists, Inc. | 1999-03-17 |
| HP ANESTHESIA GAS MONITOR (WATERTRAP), MODEL A02 (K982619) | Hewlett-Packard Co. | 1998-08-12 |
| MODEL 02 OXYGEN ANALYZER (K971084) | Oxigraf, Inc. | 1998-07-21 |
| VACU*MED GOLD EDITION OXYGEN GAS ANALYZER (K973545) | Vacumed, Div. of Vacumetrics, Inc. | 1998-05-26 |
| CERAMATEC MAXCELL AND CAG GALVANIC OXYGEN SENSORS (K972992) | Ceramatec, Inc. | 1998-03-30 |
| HANDI OXYGEN ANALYZER (K973282) | Ceramatec, Inc. | 1998-03-04 |
| TED 191 (K963177) | Teledyne Brown Engineering | 1997-11-13 |
| VENTREX OXYGEN SENSOR (K963415) | Ventrex, LLC | 1996-11-25 |
| GASEOUS OXYGEN ANALYZER (MODEL S-3A) MODIFICATION (K943824) | Ametek, Inc. | 1996-11-01 |
| MINIOX 3000 OXYGEN MONITOR (K961644) | Minesafety Appliances Co. | 1996-07-25 |
| OXYCHECK OXYGEN MONITOR (K951038) | Oxycheck, Inc. | 1996-01-11 |
| PERCENT OXYGEN SENSOR (K952736) | Analytical Industries, Inc. | 1995-10-18 |
| SEATRONICS FAMILY OF GALVANIC OXYGEN SENSORS (K953351) | Seatronics Co. | 1995-10-16 |
| OXYGEN CONCENTRATION STATUS INDICATOR (O.C.S.I.) (K941793) | Mountain Medical Equipment, Inc. | 1995-06-21 |
| FI02 SENSING MODULE (K944120) | Core-M, L.P. | 1995-05-10 |
| OXYCHEK OXYGEN ANALYZER (K942593) | Nidek Medical Products, Inc. | 1995-05-03 |
| OXYGEN CONCENTRATION INDICATOR (K944654) | Aequitron Medical, Inc. | 1994-11-08 |
| MINIOX 1000 OXYGEN CONCENTRATION INDICATOR (K935364) | Minesafety Appliances Co. | 1994-06-14 |
| PRO2 OXYGEN ANALYZER (K922438) | Martech Medical Products, Inc. | 1993-03-05 |
| VTI OXYGEN ANALYZER (K922738) | Vascular Technology Incorporated | 1993-01-27 |
| COMPANION RETROFIT OXYGEN CONCENTRATION INDICATOR (K920338) | Puritan Bennett Corp. | 1992-08-27 |
| OXYGEN SENSING DEVICE, MODIFICATION (K913392) | Devilbiss Health Care, Inc. | 1992-07-17 |
| BIOCHEM TEMPERATURE/ FIO2 MODULE (K910381) | Biochem International, Inc. | 1991-08-22 |
| CERION HAND HELD OXYGEN ANALYZER (K911344) | Ceramatec, Inc. | 1991-06-18 |
| AG-820PA FI02 MODULE (K896359) | Nihon Kohden America, Inc. | 1990-03-09 |
| SPACELABS' MODEL 90514, MULTIGAS ANALYZER (K896427) | Spacelabs, Inc. | 1990-01-24 |
| VASCULAR TECHNOLOGY UNIOX OXYGEN ALARM (K890058) | Vascular Technology Incorporated | 1989-11-21 |
| HORIZON 2000 FRACTION OF INSPIRED OXYGEN MON. CAP. (K894918) | Mennen Medical, Inc. | 1989-10-31 |
| NEONATAL ENVIRONMENTAL MONITOR, MODEL 275 (K891674) | Preemicare Corp. | 1989-08-31 |
| OXITRON OXYGEN SENSOR (K890144) | Oxitron Medical Products | 1989-05-25 |
| OXITRON OXYGEN ANALYZER (K890958) | Oxitron Medical Products | 1989-05-22 |
| MODEL IDS640 PATIENT DATA DISPLAY & STORAGE MONIT. (K882352) | Clinical Information Systems, Inc. | 1988-11-02 |
| LOTA, LIFECARE OXYGEN/TEMPERATURE ANALYZER 36-001 (K880378) | Lifecare Services, Inc. | 1988-09-30 |
| MULTINEX MONITOR (MODIFICATION) (K883254) | Datascope Corp. | 1988-09-12 |
| OHMEDA 5250 RGM (RESPIRATORY GAS MONITOR) (K882743) | Ohmeda Medical | 1988-08-24 |
| OXYGEN/TEMPERATURE ANALYZER MODEL 300 SERIES (K881663) | Salter Labs | 1988-08-19 |
| SL01 OXYGEN ANALYZER (K881473) | Salter Labs | 1988-06-16 |
| SL02 OXYGEN ANALYZER (K881472) | Salter Labs | 1988-06-16 |
| LC OXYGEN ANALYZER (K875183) | Ametek/Thermox Instruments Division | 1988-03-29 |
| CERION OXY THRESHOLD ALARM (K880448) | Ceramatec, Inc. | 1988-03-21 |
| OXYGEN ANALYZER MODEL 800 SERIES (K873068) | Salter Instrumentation, Inc. | 1987-10-20 |
| MODEL TPC-1A OXYGEN ANALYZER (K872001) | Medical, Inc. | 1987-06-15 |
| M-2 OXYGEN/TEMPERATURE MONITOR (K871337) | Bio-Med Devices, Inc. | 1987-06-05 |
| MODEL T-1 OXYGEN ANALYZER (K863158) | Chrysalis Systems, Inc. | 1986-11-13 |
| MODEL A-1 OXYGEN ANALYZER (K863806) | Medical, Inc. | 1986-10-15 |
| NO. 100352 GALVANIC OXYGEN SENSOR (K862113) | Vascular Technology Incorporated | 1986-06-19 |
| SERVO GAS MONITOR 120 (K861625) | Siemens Elema AB | 1986-05-02 |
| EMERSON MODEL 3MV-OAA ALARM MODULE (K854799) | J. H. Emerson Co. | 1985-12-11 |
| VICKERS MEDICAL MODEL 273 OXYGEN MONITOR (K854599) | Vickers , Ltd. | 1985-11-27 |
| DMA OXYGEN MONITOR (K852823) | Ferguson Medical | 1985-10-29 |
| OHMEDA 5120 OXYGEN MONITOR (K853082) | Ohmeda Medical | 1985-07-31 |
| VASCULAR TECH # 100123 POLAROGRAPHIC OXGYEN SENSOR (K852275) | Vascular Technology Incorporated | 1985-06-20 |
| O2 TEST (K843847) | Erich Jaeger, Inc. | 1984-10-12 |
| ENGSTROM ELIZA DUO CO2 & O2 ANALYZ (K840645) | Gambro, Inc. | 1984-04-05 |
| MONITOR 5590- ANALYZER 5595EC (K840565) | Hudson Oxygen Therapy Sales Co. | 1984-04-02 |
| NOVOX OXYGEN ANALYZER 400 (K840392) | Novametrix Medical Systems, Inc. | 1984-02-27 |
| OXYGEN ANALYZER 200 (K840361) | Salter Labs | 1984-02-17 |
| OXYGEN MONITOR/CONTROLLER (K833496) | Oxequip Health Ind. | 1983-12-16 |
| MINI OX II (K833995) | Catalyst Research Corp. | 1983-12-12 |
| BIO-TEK PERCENT OXYGEN MONITOR 74222 (K831522) | Bio-Tek Instruments, Inc. | 1983-09-12 |
| OXYMED (K831238) | Draeger Medical, Inc. | 1983-05-09 |
| OXYGEN MONITOR OHIO 5100 (K830446) | Airco/Ohio Medical Products | 1983-03-24 |
| OPTION A02 MODEL 15202A (K830124) | Hewlett-Packard Co. | 1983-02-09 |
| RESPIRATORY GAS ANALYZER (K823449) | Thoratec Laboratories Corp. | 1983-01-05 |
| OXYGEN MONITOR IL 408 (K823374) | Instrumentation Laboratory CO | 1982-12-09 |
| YSI #2600 MULTI-CHANNEL DUAL-DISPLAY (K823231) | Yellow Springs Instrument Co., Inc. | 1982-12-07 |
| YSI #2650 SINGLE-DISPLAY OXYGEN & TEMP (K823232) | Yellow Springs Instrument Co., Inc. | 1982-12-07 |
| MK 808 SERIES NASAL OXYGEN SAMPLER (K822608) | Instrumentation Industries, Inc. | 1982-10-04 |