| RENAGUARD DIALYSATE FILTER (K945136) | Minntech Corp. | 1995-02-28 |
| REVERSE OSMOSIS EQUIPMENT FOR WATER PURIFICATION (K931595) | Osmonics, Inc. | 1994-12-29 |
| MASTER ALERT (K934848) | Master Hydro Systems, Inc. | 1994-09-29 |
| SERVICE DEIONIZATION SYST/DI TANK EXCHANGE PROGRAM (K915258) | Aqua-Med Systems, Inc. | 1993-07-02 |
| SUBMERSIBLE REVERSE OSMOSIS WATER PURIFICATION SYS (K894300) | U.S. Filter/Continental Water Systems | 1990-03-13 |
| DRAKE WILLOCK REVERSE OSMOSIS WATER TREATMENT SYST (K894106) | Cd Medical, Inc. | 1989-11-08 |
| REVERSE OSMOSIS WATER PURIFICATION SYSTEM (K871242) | Medro Systems, Inc. | 1988-03-16 |
| HD-400-A/B/C HEMODIALYSIS SYSTEMS & ACCESSORIES (K873487) | Water Pure, Inc. | 1987-10-23 |
| HD-100 HEMODIALYSIS SYSTEMS AND ACCESSORIES (K863720) | Water Pure, Inc. | 1986-10-29 |
| ASCORBIC ACID (K842215) | Organon Teknika Corp. | 1984-08-02 |
| HEMO-RO WATER PURIFICATION SYS (K841403) | Millipore Corp. | 1984-07-06 |
| EXTRAPURE REVERSE OSMOSIS WATER UNIT (K822385) | Extracorporeal Medical Specialities, Inc. | 1982-10-13 |
| GAMBRO WATER PURIFICATION MONITOR WRD (K811678) | Gambro, Inc. | 1981-07-10 |
| CMR 300, ROWATER TREATMENT UNIT (K802474) | U-Marc, Inc. | 1980-12-15 |
| WATER CONDUCTIVITY MONITOR & CONTROLLER (K800305) | Darco Water Systems, Inc. | 1980-04-08 |
| CENTRY 2 SYSTEM #016, 103, 016, 104 (K791086) | Cobe Laboratories, Inc. | 1979-07-03 |
| HEMO-RO (K771763) | Millipore Corp. | 1977-10-04 |