| Criticare 504 | Criticare 504 Pulse Oximeter | Criticare | 6 Months P&L |
| N-180 | Continuous pulse oximeter.
Nellcor model N-180 | Nellcor | 6 Months P&L |
| N-190 | Nellcor N-190 Pulse Oximeter | Nellcor | 6 Months P&L |
| N-20 | Hand-held portable pulse oximeter with optional printer. Model N-20. | Nellcor | 6 Months P&L |
| N-200 | Pulse oximeter with alarm and ECG synchronization.
Model N-200 | Nellcor | 6 Months P&L |
| N-40 | Nellcor N-40 Pulse Oximeter - Hand held. | Nellcor | 6 Months P&L |
| N-6000 | Mainstream End Tidal CO2 monitor with built-in pulse oximetry. | Nellcor | 6 Months P&L |