| OXYSURE PORTABLE OXYGEN GENERATOR, MODEL 615 (K052396) | Oxysure Systems, Inc. | 2005-12-09 |
| EMG CTA01-XXX SERIES PURO OXYGEN CONCENTRATOR (K043520) | Emg Technology Co., Ltd. | 2005-10-21 |
| LONGFEI LFY-I-5 OXYGEN CONCENTRATOR (K033405) | Zhejiang Longfei Industrial Co., Ltd. | 2005-10-18 |
| PATIENT VENTILATION OXYGEN CONCENTRATING SYSTEM, HIGH FLOW (PVOCS HF) (K051887) | Carleton Life Support Systems, Inc. | 2005-09-27 |
| OX-GEN FLEXIBLE O2 GENERATION SYSTEM, MODEL 6-OX-03 (K033863) | Ox-Gen, Inc. | 2005-08-22 |
| MERITS HEALTH PRODUCTS OXYGEN CONCENTRATOR (K050430) | Merits Health Products Co., Ltd. | 2005-08-04 |
| HOME-AWAY SYSTEM, MODEL 1041 (K042944) | In-X Corporation | 2005-04-15 |
| MILLENNIUM M10 OXYGEN CONCENTRATOR, MODEL M10600; WITH OPI, MODEL M10605 (K043006) | Respironics, Inc. | 2005-02-11 |
| OXYTEC, MODEL 900 (K043615) | Oxytec Medical Corporation | 2005-02-09 |
| INTEGRA OXYGEN CONCENTRATOR, MODEL 6323A-OM-10 (K042262) | Sequal Technologies, Inc. | 2004-09-10 |
| PORTABLE OXYGEN GENERATION SYSTEM: POGS 33C (K041664) | On Site Gas Systems, Inc. | 2004-07-29 |
| INOGEN ONE OXYGEN CONCENTRATOR (K032818) | Inogen, Inc. | 2004-05-13 |
| MOBILE OXYGEN STORAGE TANK (MOST) (K040738) | Pacific Consolidated Industries Llp | 2004-04-30 |
| MARK 5 NUVO OCSI (M5C5), MODELS 505 AND 905 (K040892) | Nidek Medical Products, Inc. | 2004-04-29 |
| MARK 5 NUVO (M5C5) (K032509) | Nidek Medical Products, Inc. | 2004-03-18 |
| POGS 33 (K030920) | On Site Gas Systems, Inc. | 2004-03-10 |
| TRAVELSOME STANDARD (K030233) | Sim Italia S.R.L. | 2003-04-25 |
| PORTABLE THERAPEUTIC OXYGEN CONCENTRATION SYSTEM (PTOCS) (K022684) | Essex Cryogenics of Missouri, Inc. | 2002-09-11 |
| VENTURE HOMEFILL II WITH OXYGEN CONSERVER (K021685) | Invacare Corp. | 2002-07-23 |
| INVACARE PLATINUM, MODELS IRC 5LX AND IRC 5LX02 (K020386) | Invacare Corp. | 2002-07-02 |
| ON SITE GAS SYSTEMS PORTABLE OXYGEN GENERATION SYSTEM-1.0 AND 5.0 (K021082) | On Site Gas Systems, Inc. | 2002-05-22 |
| DEPLOYABLE OXYGEN CONCENTRATION SYSTEM (DOCS) (K020330) | Pacific Consolidated Industries Llp | 2002-04-12 |
| OMNI OXYGEN SYSTEM, MODEL 1000 (K013931) | Sequal Technologies, Inc. | 2002-03-27 |
| LIFESTYLE OXYGEN CONCENTRATOR (K020324) | Airsep Corp. | 2002-03-13 |
| P.O.G.S. 3.3 PORTABLE OXYGEN GENERATOR SYSTEM (K020362) | On Site Gas Systems, Inc. | 2002-02-12 |
| PATIENT VENTILATION OXYGEN CONCENTRATING SYSTEM (PVOCS) (K013223) | Litton Systems, Inc. | 2002-02-11 |
| MODIFICATION TO MERITS HEALTH PRODUCTS OXYGEN CONCENTRATORS (K014301) | Merits Health Products Co., Ltd. | 2002-02-11 |
| HEALTHLIFE OXYGEN CONCENTRATOR MODEL AS009 (K012037) | Airsep Corp. | 2002-01-17 |
| ON SITE GAS SYSTEMS PORTABLE OXYGEN GENERATOR SYSTEM (K014078) | On Site Gas Systems, Inc. | 2002-01-08 |
| HOME-AWAY SYSTEM (K004047) | In-X Corp. | 2001-12-18 |
| TOTAL O2 (K013472) | Chad Therapeutics, Inc. | 2001-11-28 |
| MERITS HEALTH PRODUCTS OXYGEN CONCENTRATORS (K011844) | Merits Health Products., Inc. | 2001-08-28 |
| INTEGRA OXYGEN CONCENTRATORS MODEL 6400-OM (K003472) | Sequal Technologies, Inc. | 2001-06-04 |
| VENTURE HOME FILL II, MODEL IOH 200 (K003939) | Invacare Corp. | 2001-03-21 |
| DEVILBISS 5 LITER OXYGEN CONCENTRATOR (K991722) | Sunrise Medical Hhg, Inc. | 1999-11-03 |
| VENTURE IHO 100 HOME FILL COMPLETE HOME OXYGEN SYSTEM (K983627) | Invacare Corp. | 1999-10-22 |
| PURITAN-BENNETT AERIS 590 OXYGEN CONCENTRATOR WITH OCI (K993088) | Puritan Bennett Corp. | 1999-10-08 |
| FRESH AIR (K981047) | Colorado Medtech, Inc. | 1999-09-16 |
| HOME/COMMERCIAL OXYGEN UNIT BY SYSTEM O2 (K991569) | 02 Marketing Group, Inc. | 1999-08-03 |
| EMOX (K984081) | Emox 911 CC | 1999-03-17 |
| MODIFICATION TO VENTURE IHO 100 COMPLETE HOME OXYGEN SYSTEM (K983777) | Invacare Corp. | 1998-12-18 |
| CANOGEN PORTABLE OXYGEN GENERATOR MODEL 615 (K982243) | Canogen International , Ltd. | 1998-11-19 |
| TRANSTRACHEAL AUGMENTED VENTILATION OXYGEN CONCENTRATOR MODEL NUMBER TTAV 1000 (K981078) | Transtracheal Systems | 1998-07-23 |
| TWISTER OXYGEN CONCENTRATOR MODEL 600, TWISTER OXYGEN CONCENTRATOR W/OPI MODEL 605 (K972614) | Healthdyne Technologies, Inc. | 1998-01-20 |
| CHAD TOTAL O2 DELIVERY SYSTEM (K971889) | Chad Therapeutics, Inc. | 1997-11-17 |
| INNOSAN TRAVELAIR S PLUS PORTABLE OXYGEN CONCENTRATOR, CODE NO. M407001853 (WITH AC POWER SUPPLY ACCESSORY) (K971947) | Sim Italia S.R.L. | 1997-10-03 |
| OXLIFE EXCELL OXYGEN CONCENTRATORS (K971964) | Oxlife, Inc. | 1997-08-15 |
| OXYPURE PORTABLE OXYGEN GENERATOR (K971129) | Arbor Research Corp. | 1997-06-24 |
| AIRSEP NEWLIFE DUAL SIX OXYGEN CONCENTRATOR (MODIFICATION) (K960309) | Airsep Corp. | 1997-02-28 |
| INNOSAN TRAVELAIR S PORTABLE OXYGEN CONCENTRATOR, CODE NO. M407001853 (K963042) | Sim Italia S.R.L. | 1996-11-01 |
| EMOX (K954506) | Medtrak Intl., Inc. | 1996-04-30 |
| OXLIFE OXYGEN CONCENTRATORS (K955549) | Oxlife, Inc. | 1996-03-15 |
| SUN MODEL OA 3000 OXYGEN ANALYZER (K952941) | Sun Medical Equipment, Inc. | 1996-01-29 |
| WESTMED CONDESATE COLLECTION TRAP (K954271) | Westmed Intl. | 1995-12-28 |
| 5 LPM OXYGEN CONCENTRATOR (K953815) | Devilbiss Health Care, Inc. | 1995-11-09 |
| ECO CHECK (ECOVALVE AND OXYGEN MONITOR) (K951882) | Airsep Corp. | 1995-10-16 |
| HUMIDIFIER & ACCESSORIES (K953949) | Fisher & Paykel Electronics , Ltd. | 1995-10-16 |
| OXY-GENERATOR (K941145) | Med Systems | 1995-09-27 |
| 3 LPM OXYGEN CONCENTRATOR (K952037) | Devilbiss Health Care, Inc. | 1995-09-06 |
| MODEL DELTA, OM OXYGEN CONCENTRATOR (K952268) | Caire, Inc. | 1995-08-11 |
| MODEL 6323 OXYGEN CONCENTRATOR (K942082) | Dynotec Corp. | 1994-12-08 |
| OXLIFE OXYGEN CONCENTRATOR (K933081) | Oxlife, Inc. | 1994-11-01 |
| SBS MODEL 1615 (K924565) | Stand-By-Systems, Inc. | 1994-09-09 |
| MINIOX IA OXYGEN ANALYZER (K935370) | Minesafety Appliances Co. | 1994-08-02 |
| H-500 ALLIANCE OXYGEN CONCENTRATOR (K942357) | Healthdyne, Inc. | 1994-05-27 |
| WHISPER O2 (K931355) | Trilogic Corp. | 1994-03-25 |
| MOBILAIRE V & III PRO2 OXYGEN SENSORS FEATURES (K924818) | Invacare Corp. | 1993-08-06 |
| KEYSTONE CONCENTRATOR, MODEL PV5L (K924152) | Devilbiss Health Care, Inc. | 1993-06-07 |
| OXYGEN CONCENTRATOR (K924100) | Allied Healthcare Products, Inc. | 1993-03-19 |
| SCOTTY (K923650) | Mountain Medical Equipment, Inc. | 1993-01-15 |
| OH-500 OXYGEN CONCENTRATOR (K924146) | Healthdyne, Inc. | 1993-01-07 |
| ALPINE V (K914916) | Mountain Medical Equipment, Inc. | 1992-09-23 |
| MODELS: IRCRF5, IRCPF16 FLOWMETER ACCESSORY KITS (K914488) | Invacare Corp. | 1992-09-15 |
| PORTABLE OXYGEN GENERATOR (K915381) | Aequitron Medical, Inc. | 1992-03-11 |
| ECONOMATE/PATRIOT (K912794) | Foothills Medical Equipment, Inc. | 1992-02-21 |
| CONTEMPRO2 HOME HEALTH CARE REGULATOR (K913327) | Continental Products, Inc. | 1991-12-20 |
| GENOX MODEL CT-1 (K904639) | Pacific Consolidated Industries | 1991-08-13 |
| GUILD MAXOX GENERATOR (MAXOX) (K901712) | Guild Assoc., Inc. | 1991-02-27 |
| MOBILAIRE III AND V MODEL IRC 301 AND 501 OXY. CON (K904087) | Invacare Corp. | 1990-10-26 |
| OXLIFE (K904271) | Medical Repair Service, Inc. | 1990-10-12 |
| V-LINK (K903608) | GE Medical Systems | 1990-10-12 |
| GENOX MODEL CT-1 OXYGEN/NITROGEN GENER-DISTR SYST (K904002) | Pacific Consolidated Industries | 1990-09-05 |
| FIELD MEDICAL OXYGEN GEN/DIST SYS-BATTLEFIELD PURP (K903411) | Guild Assoc., Inc. | 1990-08-31 |
| ASPEN 3 OXYGEN CONCENTRATOR (K902890) | Mountain Medical Equipment, Inc. | 1990-07-19 |
| DEVILBISS MODEL PV02 SERIES (K896457) | Devilbiss Health Care, Inc. | 1990-02-01 |
| PURITAN-BENNETT OXYGEN CONCENTRATION INDICATOR (K895177) | Puritan Bennett Corp. | 1989-11-21 |
| MODEL 590 OXYGEN CONCENTRATOR (K895141) | Puritan Bennett Corp. | 1989-10-31 |
| K.E.E. OXYGEN CONCENTRATOR (K894384) | Kee Medical Services, Inc. | 1989-10-27 |
| MOBILAIRE V OXYGEN CONCENTRATOR (K891488) | Invacare Corp. | 1989-05-25 |
| OXYGEN CONCENTRATOR W/CONCENTRATION 3LPM 93% +/-3% (K884563) | Ivex Medical, Inc. | 1989-04-26 |
| LAMELLI OXYGEN ENRICHED ENVIRONMENT SYSTEM & TENT (K884018) | Lamelli Pulmonary Research Center | 1989-02-27 |
| H-3000 OXYGEN CONCENTRATOR (K890150) | Healthdyne, Inc. | 1989-01-31 |
| RELIANT OXYGEN CONCENTRATOR (K884581) | Airsep Corp. | 1989-01-11 |
| MIKADO AC 405 (K883837) | Ivex Medical, Inc. | 1988-12-12 |
| PORTABLE OXYGEN GENERATOR (K884084) | Mountain Medical Equipment, Inc. | 1988-11-21 |
| MARK-5 CONCENTRATOR (K883591) | Nidek Medical Products, Inc. | 1988-11-02 |
| ALPINE PORTABLE OXYGEN GENERATOR (K881802) | Mountain Medical Equipment, Inc. | 1988-07-08 |
| OECO MEMBRANE OXYGNE & VAPOR ENRICHER MODEL OE-8 (K880044) | Oxygen Enrichment Company, Ltd. | 1988-03-28 |
| PALL FIELD MEDICAL OXYGEN GENERA. & DISTRI. SYSTEM (K873526) | Pall Safety Atmospheres, Inc. | 1988-02-29 |
| MOBILE PAK, MODEL AC (K880261) | Intl. Biomedical Concepts, Inc. | 1988-02-12 |