| YSI 400 SERIES ATUOCLAVABLE REUSABLE TEMPERATURE PROBE (K962070) | Yellow Springs Instrument Co., Inc. | 1996-07-19 |
| YSI MODELS 4700 FOLEY CATHETER TEMPERATURE PROBES (K922821) | Yellow Springs Instrument Co., Inc. | 1992-11-23 |
| YSI MODEL 441A AIRWAY TEMPERATURE PROBE (K922007) | Yellow Springs Instrument Co., Inc. | 1992-11-04 |
| YSI MODEL 1500 BLOOD GLUCOSE ANALYZER (K910633) | Yellow Springs Instrument Co., Inc. | 1991-04-12 |
| YSI PRECISION 4000 THERMOMETER (K910718) | Yellow Springs Instrument Co., Inc. | 1991-04-09 |
| YSI MODEL 1500 SPORT L-LACTATE ANALYZER (K901131) | Yellow Springs Instrument Co., Inc. | 1990-08-27 |
| YSI MODELS 4400 & 4700 ESOPHAGEAL STETHOSCOPE TEMP (K893409) | Yellow Springs Instrument Co., Inc. | 1989-07-20 |
| YSI MODEL 2300 STAT GLUCOSE AND L-LACTATE ANALYZER (K891480) | Yellow Springs Instrument Co., Inc. | 1989-05-22 |
| DISPOSABLE TEMPERATURE PROBES (SEVERAL MODELS) (K883793) | Yellow Springs Instrument Co., Inc. | 1988-11-21 |
| YSI MODEL 801 (K865012) | Yellow Springs Instrument Co., Inc. | 1987-03-04 |
| YSI MODEL 790 TELE-THERMOMETER (K853551) | Yellow Springs Instrument Co., Inc. | 1985-09-19 |
| YSI MODEL 2372 TOTAL BLOOD LACTATE KIT (K852261) | Yellow Springs Instrument Co., Inc. | 1985-08-15 |
| YSI MODEL 791/799 DISP TEMP PROBE & 7900 EX CABLE (K852246) | Yellow Springs Instrument Co., Inc. | 1985-06-10 |
| DISPOSABLE TEMP. PROBE & CABLE MODELS (K830561) | Yellow Springs Instrument Co., Inc. | 1983-03-24 |
| YSI MODEL 23L LACTATE ANALYZER (K822812) | Yellow Springs Instrument Co., Inc. | 1982-12-13 |
| 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 |
| YSI #24 & 24M GLUCOSE ANALYZERS (K821192) | Yellow Springs Instrument Co., Inc. | 1982-06-14 |
| SERIES 400 DISPOSABLE TEMPERATURE PROBE (K813639) | Yellow Springs Instrument Co., Inc. | 1982-01-22 |
| MODEL 2100 DUAL-DISPLAY TELE-THERMOMETER (K813409) | Yellow Springs Instrument Co., Inc. | 1981-12-18 |
| YSI MODELS 23C & 23CM HDL & TOTAL CHOLES (K801285) | Yellow Springs Instrument Co., Inc. | 1980-07-28 |
| YSI SERIES 500 THERMISTOR PROBES (K792116) | Yellow Springs Instrument Co., Inc. | 1980-01-16 |
| THERMOMETER, MODEL 49TA (K781312) | Yellow Springs Instrument Co., Inc. | 1978-08-10 |