| HEAT & MOISTURE EXCHANGER (K955008) | Intertech Resources, Inc. | 1996-01-30 |
| DISPOSABLE HME/FILTER (K954194) | Engstrom Medical | 1995-10-20 |
| HEAT MOISTURE EXCHANGER (K953580) | Intertech Resources, Inc. | 1995-09-15 |
| TYPE 1 & 2 (HUMIDAIR I & II) (K953507) | Icor AB | 1995-09-07 |
| HUMID-VENT 2 LIGHT/HUMID-VENT 2 PORT LIGHT (K953544) | Gibeck, Inc. | 1995-08-25 |
| HUMID-VENT 1 PORT/HUMID-VENT 1 PORT ANGLE (K953491) | Gibeck, Inc. | 1995-08-25 |
| WARM N WET HMEF W/LUER ADAPTER (K953620) | Hospitak, Inc. | 1995-08-25 |
| EEE (K953540) | Edentec Corp. | 1995-08-25 |
| WARM N WET HME W/LUER ADAPTER (K953619) | Hospitak, Inc. | 1995-08-25 |
| HUMID-VENT TRACH-VENT (K952845) | Gibeck, Inc. | 1995-07-25 |
| HUMID-VENT 2 (K952844) | Gibeck, Inc. | 1995-07-20 |
| HUMID-VENT 1 (K952750) | Gibeck, Inc. | 1995-07-20 |
| FHB, FHB-T WITH OR WITHOUT FLEXTUBE HFH, HFH-T, AFA, AFH-T WITH OR WITHOUT FLEXRTUBE (K952823) | Icor AB | 1995-07-13 |
| HUMID-VENT FILTER PEDI (K952084) | Gibeck, Inc. | 1995-06-12 |
| FLEXLIFE (K952036) | Mallinckrodt Medical | 1995-06-08 |
| DISPODABLE HEAT & MOISTURE EXCHANGER AND FILTER/HME (K946209) | Med-Plastics Intl., Inc. | 1995-06-08 |
| HUMID-VENT MICRO (K951856) | Gibeck, Inc. | 1995-06-07 |
| FILTER/HCH PRODUCT NUMBER 5710HEPA, 5710FILT (K950447) | Vital Signs, Inc. | 1995-02-21 |
| AQUA+I-F, I-H, I-FH, II-H, II-FH, III-H (K945359) | Artema Medical AB | 1995-02-21 |
| DISPOSABLE HEAT AND MOSITURE EXCHANGER AND HME/FILTER (K945657) | Tec II Medical, Inc. | 1994-12-07 |
| HEAT AND MOISTURE EXCHANGER FILTER (HME) (K943915) | Medicomp, Inc. | 1994-10-14 |
| DISPOSABLE HEAT & MOSITURE EXCHANGER & FILTER/HME (K944194) | Med-Tek Innovations, Inc. | 1994-09-13 |
| HYGROLIFE (K942794) | Mallinckrodt Medical | 1994-08-22 |
| HEAT AND MOISTURE EXCHANGERS AND FILTERS (K941987) | Icor AB | 1994-08-15 |
| AFH, AFH FLEX, AFH/T, AFH/T FLEX, AF (K941436) | Icor AB | 1994-06-08 |
| VENSHIELD (K941813) | Cybermedic, Inc. | 1994-05-03 |
| HYGROSTER (K941585) | Mallinckrodt Medical | 1994-04-19 |
| TRACHEOLIFE (K941535) | Mallinckrodt Medical | 1994-04-15 |
| HEPA FILTERED HEAT AND MOISTURE EXCHANGER (K935036) | Intertech Resources, Inc. | 1994-01-25 |
| KING SYSTEMS HME (K934441) | King Systems Corp. | 1993-12-02 |
| HME W/O FILTER HYGROFLEX, HYGROFLEX-T, MODIFICATION (K934190) | Bird Life Design | 1993-11-24 |
| AQUA+TFILTERHME/THME/AQUA+TFILTERHCH/THCH (K933597) | Arthro-Medic, Inc. | 1993-11-01 |
| FHB, FHB-T, FHBFLEX, FHBFLEX-T (K925622) | Icor AB | 1993-05-26 |
| VAPORTEMP HEAT AND MOISTURE EXCHANGER (K922946) | Mallinckrodt Medical | 1993-03-08 |
| 5701, 5702, 5704, 5706 HYGROSCOPIC CONDENSER HUMID (K923865) | Vital Signs, Inc. | 1993-02-01 |
| HEAT MOISTURE CONDENSER (K923910) | Concord/Portex | 1993-01-26 |
| BLOM-SINGER HUMID/FIL SYST INHEALTH IN-LINE HUMID. (K915786) | Helix Medical, Inc. | 1992-06-30 |
| BREATHE EASY (K914336) | Vital Signs, Inc. | 1992-03-25 |
| FLOCARE DRY CAS SAMPLING PORT MODELS (K912700) | Flocare Medical | 1991-09-11 |
| FLOCARE LF-A (K912699) | Flocare Medical | 1991-09-11 |
| ARTEMA AQUA+ FLEX (K912336) | Artema Medical AB | 1991-07-26 |
| ARTEMA AQUA+ (K912333) | Artema Medical AB | 1991-07-26 |
| ARTEMA AQUA+ T & TS (K912334) | Artema Medical AB | 1991-07-26 |
| ARTEMA AQUA+ N (K912335) | Artema Medical AB | 1991-07-26 |
| INTERTECH(TM) HEAT AND MOISTURE EXCHANGER (K903519) | Intertech Resources, Inc. | 1990-12-13 |
| ICOR HCH 4, ICOR HCH 7 (K904338) | Icor AB | 1990-12-04 |
| FLOCARE (K904193) | Flocare Medical | 1990-11-29 |
| FREEVENT (TM) (K903057) | Pharma Systems, Inc. | 1990-11-20 |
| BACT-HME (TM) (K903058) | Pharma Systems, Inc. | 1990-11-09 |
| HME-10 (TM) (K903054) | Pharma Systems, Inc. | 1990-10-31 |
| FLOCARE N (K902501) | Flocare Medical | 1990-07-02 |
| HCH 9165, 9165 S, 9166, HFH, HFH-T HEAT MOISTURE (K900150) | Icor AB | 1990-01-25 |
| HUMIDI-FLEX TM (K885313) | Life Design Systems, Inc. | 1989-10-11 |
| FLOCARE (K893875) | Mega-Tech Intl., Inc. | 1989-08-11 |
| HUMID-VENT FILTER (K881657) | Gibeck Respiration | 1988-06-24 |
| HUMID-VENT 2 S FLEX (K881656) | Gibeck Respiration | 1988-06-16 |
| HUMID-VENT 2 S (K881644) | Gibeck Respiration | 1988-06-10 |
| BREATH-EASY (K881308) | Icor AB | 1988-05-17 |
| THERMOVENT 600, 1200, T, 02 (K874597) | Portex, Inc. | 1988-01-19 |
| HUMID-VENT(R) 2 PORT (K873768) | Gibeck Respiration | 1987-11-24 |
| HUMID-VENT(R) MINI (K873767) | Gibeck Respiration | 1987-11-06 |
| ICOR NEONATAL HCH (K872371) | Icor AB | 1987-09-04 |
| STOM-VENT (K872153) | Gibeck Respiration | 1987-08-03 |
| ENGSTROM EDITH MODELS 500,1000,1500 & 1500F (K864095) | Gambro, Inc. | 1987-02-20 |
| HEAT/MOISTURE EXCHANGER, HME, W/INTEGRAL FILTER (K862020) | Intertech/Ohio | 1986-06-30 |
| AMERICAN PHARMASEAL HUMIDAIR CONDENSER (K854012) | American Pharmaseal Div. Ahsc | 1985-12-03 |
| SERVO HUMIDIFIER 153 (K852601) | Siemens Elema AB | 1985-07-08 |
| SERVO HUMIDIFIER 152 SIEMENS-ELEMA AB (K844040) | Siemens Elema AB | 1984-10-25 |
| PALL HEAT MOISTURE EXCHANGING FILTER (K834292) | Pall Biomedical Products Co. | 1984-04-04 |
| INLINE FOAM NOSE (K840398) | Mallinckrodt Critical Care | 1984-03-16 |
| FOAM NOSE (K840399) | Mallinckrodt Critical Care | 1984-03-16 |
| ENGSTOM EDITH (K821365) | Lkb Instruments, Inc. | 1982-06-29 |
| SIEMENS-ELEMA A.B. SERVO HUMIDIFIER 150 (K790681) | Siemens Corp. | 1979-04-13 |